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Icom IC-7700 Instruction Manual

Summary of IC-7700

  • Page 1

    Hf/50 mhz transceiver i7700 instruction manual a-6937h-1ex-y printed in japan © 2011–2015 icom inc..

  • Page 2: D Features

    I foreword thank you for making the ic-7700 your radio of choice. We hope you agree with icom’s philosophy of “technology first.” many hours of research and devel- opment went into the design of your ic-7700. D features ❍ ultimate receiver performance: third-order intercept (ip3) of +40 dbm (hf band...

  • Page 3

    Ii precautions r danger high rf voltage! Never attach an antenna or internal antenna connector during transmission. This may result in an electrical shock or burn. R warning! Never operate the transceiver with a headset or other audio accessories at high vol- ume levels. Hearing experts advise again...

  • Page 4

    Q ac power cable* ................................................. 1 w feet .............................................................. 1 pair e spare fuse (fgb 2 a) ......................................... 1 r rca plugs ........................................................... 2 t dc plug .....

  • Page 5

    Iv section 1 panel description ■ front panel ........................................................................................ 1-2 ■ rear panel ...................................................................................... 1-12 ■ lcd display ..............................................

  • Page 6

    ■ meter indication selection ............................................................... 3-10 d multi-function digital meter ......................................................... 3-10 d meter type selection ................................................................... 3-11 ■ voice synt...

  • Page 7

    Vi d convenient functions for transmit ................................................4-31 ■ repeater operation ......................................................................... 4-32 d repeater access tone frequency setting .....................................4-33 ■ tone squelch operation ...

  • Page 8

    Section 7 voice recorder functions ■ recording a qso audio ……………………………………………… 7-2 d to start or stop recording …………………………………………… 7-2 ■ recording quick operation …………………………………………… 7-2 d to start or stop recording …………………………………………… 7-2 ■ playing back recorded audio (qso) ………………………………… 7-3 d basic play...

  • Page 9

    Viii section 9 scans ■ scan types ........................................................................................ 9-2 ■ preparation ....................................................................................... 9-2 ■ voice squelch control function .....................................

  • Page 10

    Section 13 maintenance ■ troubleshooting .............................................................................. 13-2 d transceiver power ....................................................................... 13-2 d transmit and receive ..........................................................

  • Page 11: Panel Description

    1-1 panel description section 1 ■ front panel ........................................................................................ 1-2 ■ rear panel ...................................................................................... 1-12 ■ lcd display .............................................

  • Page 12: Front Panel

    1-2 q power switch power (p. 3-2) ➥ push to turn the transceiver power on. • the [power] indicator above this switch lights green when powered on. ➥ hold down for 1 second to turn the transceiver power off. • the [power] indicator lights orange when the transceiver is off when the internal power sup...

  • Page 13

    1-3 u microphone connector [mic] accepts an optional microphone. • see page 15-4 for appropriate microphones. • see page 2-10 for microphone connector information. I mic gain control [mic] (p. 3-12) adjusts microphone input gain. • the transmit audio tone in the ssb, am and fm modes can be adjusted ...

  • Page 14: Front Panel (Continued)

    1-4 !7 noise reduction level control [nr] (inner control; p. 5-18) adjusts the dsp noise reduction level when the noise reduction function is in use. Set for maximum readability. • to use this control, push nr . !8 noise blanker control [nb] (outer control; p. 5-17) adjust the noise blanker threshol...

  • Page 15

    1-5 @1 noise reduction switch nr (p. 5-18) push to switch dsp noise reduction on or off. • the [nr] indicator above this switch lights green when the function is activated. @2 af control [af] (inner control; p. 3-9) varies the audio output level of the speaker or headphones. Audio output increases a...

  • Page 16: Front Panel (Continued)

    1-6 #3 multi-function switches push to select the functions indicated in the lcd display to the right of these switches. • functions vary depending on the operating condition. Mf1 (multi-function 1 switch) ➥ selects the antenna connector from ant1, ant2, ant3 and ant4 when pushed. (p. 10-2) ➥ displa...

  • Page 17

    1-7 mf5 (multi-function 5 switch) ➥ activates and selects a fast, mid or slow agc time constant when pushed. (p. 5-12) • in the fm mode, only “fast” is available. ➥ selects the agc set mode when held down for 1 second. (p. 5-12) the agc time constant can be set be- tween 0.1 and 8.0 seconds (dependi...

  • Page 18: Front Panel (Continued)

    1-8 $3 mode switches selects the desired mode. (p. 3-8) • announces selected mode via the speech synthesizer. (p. 12-15) ssb selects usb and lsb modes alter- nately. Cw selects cw and cw-r (cw reverse) modes alternately. Rtty/psk ➥ switches between rtty and psk mode. ➥ switches rtty and rtty-r (rtty...

  • Page 19

    1-9 $7 memo pad-write switch mp-w (p. 8-7) programs the displayed readout frequency and op- erating mode into a memo pad. • the 5 most recent entries remain in memo pads. • the memo pad capacity can be expanded from 5 to 10 in set mode. (p. 12-15) $8 memo pad-read switch mp-r (p. 8-7) each push call...

  • Page 20: Front Panel (Continued)

    1-10 ^1 passband tuning controls [twin-pbt] (p. 5-13) adjusts the receiver’s if filter “passband width” via the dsp. • passband width and shift frequency are displayed in the multi-function display. • hold down pbt-clr for 1 second to clear the pbt settings. • the pbt is adjustable in 50 hz steps in...

  • Page 21

    1-11 ^5 manual notch filter control [notch] (outer control; p. 5-19) varies the notch frequency of the manual notch filter to reject an interfering signal while the manual notch function is on. • notch filter center frequency: ssb : –1060 hz to 4040 hz cw : cw pitch freq. + 2540 hz to cw pitch freq....

  • Page 22: Rear Panel

    Q antenna connector 1 [ant 1] (p. 2-5) w antenna connector 2 [ant 2] (p. 2-5) e antenna connector 3 [ant 3] (p. 2-5) r antenna connector 4 [ant 4] (p. 2-5) accept a 50 Ω antenna with a pl-259 plug con- nector. T ground terminal [gnd] (p. 2-4) connect this terminal to a ground to prevent elec- trical...

  • Page 23

    1-13 !5 s/p dif input terminal [s/p dif– in] (p. 2-7) !6 s/p dif output terminal [s/p dif– out] (p. 2-7) connects external equipment that supports s/p dif input/output. !7 alc level adjustment pot [alc adj] adjusts the alc levels. No adjustment is required when the alc output level of a connected no...

  • Page 24: Lcd Display

    Q s/rf meter (pp. 3-10, 3-11) shows the signal strength while receiving. Shows the relative output power, swr, alc or compres- sion levels while transmitting. • a total of 3 meter types are available. W shift frequency indicator (p. 5-13) shows the shift frequency of the if filter. E band width indi...

  • Page 25

    1-15 1 panel description i apf/tpf indicator ➥ “ apf ” appears when the audio peak filter func- tion is in use. This function is available in cw mode. (p. 4-6) ➥ “ tpf ” appears when the twin peak filter func- tion is in use. This function is available in rtty mode. (p. 4-14) o clock readout shows t...

  • Page 26: Screen Menu Arrangement

    1-16 1 panel description the following screens can be selected from the start up screen. Choose the desired screen using the fol- lowing chart. Pushing exit/set several times returns to the start up screen. See page 12-3 for set mode arrangement. • spectrum scope screen (p. 5-2) • voice recorder scr...

  • Page 27: Section

    2-1 installation and connections section 2 ■ unpacking ......................................................................................... 2-2 ■ main dial attachment ........................................................................ 2-2 ■ rack mounting handle detachment ....................

  • Page 28: Unpacking

    2-2 ■ unpacking after unpacking, immediately report any damage to the delivering carrier or dealer. Keep the shipping cartons. For a description and a diagram of accessory equip- ment included with the ic-7700, see ‘supplied acces- sories’ on page iii of this manual. ■ main dial attachment the main ...

  • Page 29: Selecting A Location

    2-3 2 installation and connections ■ rack mounting handle detachment the rack mounting handles are supplied attached to the transceiver to stabilize the transceiver in the shock absorber material in the box. If you want to remove them, use the supplied screws as described below. Q remove the six scr...

  • Page 30: Grounding

    2-4 2 installation and connections ■ grounding to prevent electrical shock, television interference (tvi), broadcast interference (bci) and other prob- lems, ground the transceiver through the ground terminal on the rear panel. For best results, connect a heavy gauge wire or strap to a long ground r...

  • Page 31: Required Connections

    2-5 2 installation and connections ■ required connections d front panel power tuner timer vox ssb cw rtty/psk am/fm data auto tune lock ts xfc m.Scope exit/set rec play voice memory bright contrast vox gain moni gain comp drive anti vox bk-in monitor transmit mic elec-key phones af rf mic rf pwr dig...

  • Page 32: Advanced Connections

    2-6 2 installation and connections ■ advanced connections d front panel alc adj alc relay cw key ext keypad meter dc out 15v max1a ref i/o 10mhz -10dbm in out remote rs-232c ext-display rx ant in out s/p dif 1 2 acc ext-sp ant 1 ant 2 ant 3 ant 4 gnd ac 15a i x-verter rx ant in/out connects an exter...

  • Page 33

    2-7 2 installation and connections d rear panel— 2 alc adj alc relay cw key ext keypad meter dc out 15v max1a ref i/o 10mhz -10dbm in out remote rs-232c ext-display rx ant in out s/p dif 1 2 acc ext-sp ant 1 ant 2 ant 3 ant 4 gnd ac 15a i x-verter external display connects a pc-style monitor display...

  • Page 34: Warning!

    D connecting a non-icom linear amplifier r warning! Set the transceiver output power and linear ampli- fier alc output level after referring to the linear amplifier instruction manual. The alc input level must be in the range 0 v to –4 v. The transceiver does not accept positive volt- age. Non-match...

  • Page 35: Transverter Jack Information

    2-9 2 installation and connections ■ transverter jack information when 2 to 13.8 v is applied to pin 6 of [acc 2], the [x-verter] connector is activated for transverter op- eration and the antenna connectors do not receive or transmit any signals. While receiving, [x-verter] connector can be acti- v...

  • Page 36: Microphones (Options)

    2-10 2 installation and connections q ptt switch hold down to transmit, release to receive. W ptt lock switch push to lock the ptt switch in the transmit mode. E up/down switches [up]/[dn] change the selected readout frequency or memory channel. • holding down continuously changes the frequency or m...

  • Page 37

    2-11 ■ microphone connector information (front panel view) caution: do not short pin 2 to ground as this can damage the internal 8 v regulator. Dc voltage is applied to pin 1 for microphone operation. Use caution when using a non-icom microphone. 2 installation and connections [mic] function descrip...

  • Page 38

    2-12 2 installation and connections ■ accessory connector information note: if the cw side tone level limit or beep level limit is in use, the cw side tone or beep tone decreases from the fixed level when the [af] control is rotated above a specified level. (p. 12-6) 1 2 3 4 5 6 7 8 acc 1 pin no. Na...

  • Page 39: Basic Operations

    3-1 basic operations section 3 ■ when first applying power (cpu resetting) ...................................... 3-2 ■ initial settings .................................................................................... 3-2 ■ selecting vfo/memory mode .................................................

  • Page 40: Initial Settings

    3-2 ■ when first applying power (cpu resetting) before first applying power, make sure all connections required for your system are complete by referring to section 2. Then, reset the transceiver using the fol- lowing procedure. Resetting clears all programmed contents in memory channels and returns...

  • Page 41: Vfo Selection

    ■ vfo selection vfo is an abbreviation of variable frequency oscil- lator, and is commonly referred to as a main tuning function. The main dial is often called the “vfo knob.” d selecting vfo-a/vfo-b ➥ in vfo mode, push a/b to toggle vfo-a and vfo-b. • “ vfo-a ” or “ vfo-b ” appears when vfo-a or vf...

  • Page 42: Selecting An Operating Band

    3-4 ■ selecting an operating band the triple band stacking register provides 3 memories for each band key, storing frequency and mode infor- mation. This function is convenient when you operate 3 modes on one band. For example, one register is used for a cw frequency, another for an ssb fre- quency ...

  • Page 43: Frequency Setting

    3-5 ■ frequency setting the transceiver has several tuning methods for con- venient frequency tuning. D tuning with the main dial q push the desired band key on the keypad 1–3 times. • three different frequencies can be selected on each band with the band key. W rotate the main dial to set the desir...

  • Page 44

    3-6 d quick tuning step the operating frequency can be changed in larger steps (0.1, 1, 5, 9, 10, 12.5, 20 or 25 khz selectable) for quick tuning. Q push [ts] to turn the quick tuning function on. • “z” appears when the quick tuning function is on. W rotate the main dial to change the frequency in p...

  • Page 45

    3-7 d selecting 1 hz step a minimum tuning step of 1 hz can be used for fine tuning. Q push [ts] to turn the quick tuning function off. W hold down [ts] for 1 second to turn the 1 hz tun- ing step on or off. 3 basic operations exit/set f-5 others f-7 set f-1 ∫ f-2 √ d auto tuning step function when ...

  • Page 46: Operating Mode Selection

    3-8 ■ operating mode selection ssb (usb/lsb), ssb data (usb data/lsb data), cw, cw reverse (cw-r), rtty, rtty reverse (rtty-r), psk, psk reverse (psk-r), am, am data, fm and fm data modes are selectable in the ic-7700. Select the desired operation mode as follows. To select a mode of operation, push...

  • Page 47: Volume Setting

    3-9 ■ volume setting ➥ rotate [af] control clockwise to increase, counter- clockwise to decrease the audio output level. 3 basic operations ■ rf gain adjustment ➥ rotate [rf] control clockwise to increase, counter- clockwise to decrease the receiver sensitivity. Note: when [rf] control is adjusted c...

  • Page 48: Meter Indication Selection

    D multi-function digital meter the ic-7700 can display the multi-function digital meter on the lcd display. This meter displays all transmit parameters simultaneously. Q hold down [meter] for 1 second to turn the multi- function digital meter on. W push [p-hold] f-1 to toggle the peak level hold fun...

  • Page 49: Voice Synthesizer Operation

    3-11 d meter type selection a total of 3 meter types are available in the ic-7700— standard, edgewise and bar meters. Follow the instructions below for the meter type selec- tion. Q push exit/set several times to return to normal screen, if necessary. W push [set] f-7 , then push [disp] f-3 to selec...

  • Page 50: Basic Transmit Operation

    3-12 ■ basic transmit operation 3 basic operations d microphone gain adjustment before transmitting, monitor your selected operating frequency to make sure transmitting won’t cause in- terference to other stations on the same frequency. Q push [meter] (mf2) to select the alc meter. W push [ptt] (mic...

  • Page 51: Band Edge Warning Beep

    3-13 d drive gain adjustment the drive gain is active for all modes other than ssb mode with speech compressor off. The [drive] control adjusts the gain of the driver stage. Before transmitting, monitor your selected operating frequency to make sure transmitting won’t cause in- terference to other s...

  • Page 52

    3-14 3 basic operations d programming the user band edge q select the others set mode and select the “beep (band edge)” option. W rotate the main dial to select either the “on (user)” or “on (user) & tx limit” setting. • [band] appears above f-5 . E push [band] f-5 to open the band edge screen. R pu...

  • Page 53: Receive And Transmit

    4-1 receive and transmit section 4 ■ operating ssb .................................................................................. 4-2 d convenient functions for receive ...................................................4-2 d convenient functions for transmit .......................................

  • Page 54: Operating Ssb

    4-2 ■ operating ssb q push a band key to select the desired band. W push ssb to select lsb or usb. • “usb” or “lsb” appears. • below 10 mhz lsb is automatically selected; above 10 mhz usb is automatically selected. E rotate the main dial to tune a desired signal. • the s-meter indicates received sig...

  • Page 55

    4-3 4 receive and transmit • speech compressor (p. 6-5) ➥ push [comp] (mf6) to turn the speech compres- sor on or off. • hold down [comp] (mf6) for 1 second to select the compression bandwidth from wide, middle and nar- row. • vox (voice operated transmit) (p. 6-2) ➥ push vox to turn the vox functio...

  • Page 56: Operating Cw

    4-4 ■ operating cw q push a band key to select the desired band. W push cw to select cw. • after cw mode is selected, push cw to toggle be- tween cw and cw-r modes. • “cw” or “cw-r” appears. E rotate the main dial to tune a desired signal. • try to match the desired signal’s tone to the side tone fr...

  • Page 57

    4-5 d about cw reverse mode cw-r (cw reverse) mode uses the opposite side band to receive cw signals. Use when interfering signals are near a desired signal and you want to use cw-r to reduce the interference. ➥ during cw mode, push cw to select cw and cw-r mode. D about cw pitch control the receive...

  • Page 58

    4-6 d apf (audio peak filter) operation the apf changes the audio frequency response by boosting a particular frequency to enhance a desired cw signal. The peak frequency can be adjusted with [digi-sel] control when “apf” is selected for “digi-sel vr op- eration” in others set mode (p. 12-15). The a...

  • Page 59: Electronic Keyer Functions

    4-7 ■ electronic keyer functions the ic-7700 has a number of convenient functions for the built-in electronic keyer. Q during cw mode, push exit/set several times to normal screen, if necessary. W push [keyer] f-3 to select memory keyer screen. E push exit/set to select memory keyer menu screen. R p...

  • Page 60

    4-8 d memory keyer screen pre-set characters can be sent using the keyer send menu. Contents of the memory keyer are set using the edit menu. • transmitting – exit/set cw transmit f-1 m1 f-4 m4 f-5 –1 q during cw mode operation, push [keyer] f-3 to select memory keyer screen. W push transmit to set ...

  • Page 61

    Ch contents m1 cq test cq test de icom icom test m2 ur 5nn✱ bk m3 cfm tu m4 qrz? • pre-programmed contents 4-9 d editing a memory keyer the contents of the memory keyer memories can be set using the memory keyer edit menu. The memory keyer can memorize and re-transmit 4 cw key codes for often-used c...

  • Page 62

    4-10 d contest number set mode this menu is used to set the contest (serial) number and count-up trigger, etc. • setting contents q during cw mode operation, push [keyer] f-3 to select memory keyer screen. W push exit/set to select memory keyer menu, then push [001] f-3 to select contest serial numb...

  • Page 63

    4-11 d keyer set mode this set mode is used to set the memory keyer repeat time, dash weight, paddle specifications, keyer type, etc. • setting contents q during cw mode operation, push [keyer] f-3 to select memory keyer screen. W push exit/set to select memory keyer menu, then push [cw key] f-4 to ...

  • Page 64

    4-12 d keyer set mode (continued) 4 receive and transmit paddle polarity normal this item sets the paddle dot-dash polarity. • normal and reverse polarity can be selected. Keyer type elec-key this item selects the keyer type for [elec-key] connector on the front panel. • elec-key, bug-key and straig...

  • Page 65: Operating Rtty (Fsk)

    4-13 ■ operating rtty (fsk) a dsp-based high-quality baudot rtty encoder/ decoder is built-in to the ic-7700. When connecting a pc keyboard (p. 2-6), you can operates rtty without an external rtty terminal or pc. If you would rather use your rtty terminal, consult the manual that comes with the rtty...

  • Page 66

    4-14 d about rtty reverse mode received characters are occasionally garbled when the received signal has mark and space tones re- versed. This reversal can be caused by incorrect tnc connections, setting, commands, etc. To receive re- versed rtty signals correctly, select rtty-r mode. ➥ during rtty ...

  • Page 67

    4-15 d functions for the rtty decoder display q push a band key to select the desired band. W push rtty/psk to select rtty. • after rtty mode is selected, hold down rtty/psk for 1 second to toggle between rtty and rtty-r modes. • “rtty” or “rtty-r” appears. E push [decode] f-3 to display the decode ...

  • Page 68

    4-16 d rtty memory transmission pre-set characters can be sent using the rtty memo- ry. Contents of the memory are set using the edit menu. Q during rtty mode operation, push [decode] f-3 to select rtty decode screen. W push [tx mem] f-4 to select rtty memory screen. E push [1–4/5–8] f-7 to select m...

  • Page 69

    4-17 d editing rtty memory the contents of the rtty memories can be set using the memory edit menu. The memory can store and re-transmit 8 rtty message for often-used rtty information. Total capacity of the memory is 70 char- acters per memory channel. • programming contents q during rtty mode opera...

  • Page 70

    4-18 d rtty decode set mode this set mode is used to set the decode usos func- tion, time stamp setting, etc. • setting contents q during rtty mode operation, push [decode] f-3 to select rtty decode screen. W push [] f-1 to select the second rtty decode menu, then push [set] f-6 to select rtty decod...

  • Page 71

    4-19 d rtty decode set mode (continued) 4 receive and transmit rtty tx usos on explicitly inserts the figs character even though it is not required by the receiving station. • on : inserts figs. • off : does not insert figs. Rtty time stamp on turn the time stamp (date, transmission or reception tim...

  • Page 72

    4-20 d data saving the contents of the rtty memory and received sig- nal can be saved into the usb flash drive. Q during rtty decode screen display, push [] f-1 to select the rtty decode sec- ond menu. W push [save] f-5 to select decode file save screen. E change the following conditions, if desired...

  • Page 73: Operating Psk

    • vector tuning indicator display example tuned bpsk signal bpsk/qpsk idle signal unmodulated signal tuned qpsk signal 4-21 ■ operating psk a high-quality dsp-based psk31 encoder/decoder is built-in to the ic-7700. When connecting a pc key- board (p. 2-6), psk31 operation can be performed without ps...

  • Page 74

    4-22 d about bpsk and qpsk modes bpsk and qpsk modes are available for psk31. • bpsk (binary phase shift keying) mode is the most commonly used mode. • qpsk (quadrature phase shift keying) mode has error correction capability to provide better decoding than bpsk mode in marginal condition. However, ...

  • Page 75

    4-23 d functions for the psk decoder display q push a band key to select the desired band. W push rtty/psk to select psk. • after psk mode is selected, hold down rtty/psk for 1 second to toggle between psk and psk-r modes. • “psk” or “psk-r” appears. E push [decode] f-3 to display the decode screen....

  • Page 76

    4-24 d psk memory transmission previously entered characters can be sent using the psk memory. Contents of the memory are set using the edit menu. Q during psk mode operation, push [decode] f-3 to select psk decode screen. W push [tx mem] f-4 to select psk memory screen. E push [1–4/5–8] f-7 to sele...

  • Page 77

    4-25 d editing psk memory the contents of the psk memories can be set using the memory edit menu. The memory can store 8 psk messages for often-used psk information. Total capacity of the memory is 70 characters per memory channel. • programming contents q during psk mode operation, push [decode] f-...

  • Page 78

    4-26 d psk decode set mode this set mode is used to set the fft scope setting, time stamp setting, etc. • setting contents q during psk mode operation, push [decode] f-3 to select psk decode screen. W push [] f-1 to select psk decode sec- ond menu, then push [set] f-6 to select psk decode set mode. ...

  • Page 79

    4-27 d psk decode set mode (continued) 4 receive and transmit psk time stamp (frequency) off selects the operating frequency display for time stamp usage. Note: the frequency won’t be displayed when “off” is selected in “psk time stamp” as shown below left. • on : displays the operating frequency. •...

  • Page 80

    4-28 d data saving the contents of the psk memory and received signal can be saved into the usb flash drive. Q dur ing psk decode screen display, push [] f-1 to select psk decode second menu. W push [save] f-5 to select decode file save screen. E change the following conditions if desired. • file na...

  • Page 81: Operating Am

    4-29 ■ operating am q push a band key to select the desired band. W push am/fm to select am. • “am” indicator appears. • after am mode is selected, push am/fm to toggle be- tween am and fm modes. E rotate the main dial to tune to the desired fre- quency. • the s-meter indicates received signal stren...

  • Page 82

    4-30 4 receive and transmit • vox (voice operated transmit) (p. 6-2) ➥ push vox to turn the vox function on or off. • “ vox ” appears when the vox function is on. • transmit quality monitor (p. 6-4) ➥ push monitor to turn the monitor function on or off. • rotate [moni gain] to adjust the monitor gai...

  • Page 83: Operating Fm

    4-31 ■ operating fm q push a band key to select the desired band. W push am/fm to select fm. • “fm” indicator appears. • after fm mode is selected, push am/fm to toggle be- tween fm and am modes. E rotate the main dial to tune to the desired fre- quency. • the s-meter indicates received signal stren...

  • Page 84: Repeater Operation

    4-32 ■ repeater operation a repeater retransmits a received signal on a differ- ent frequency. When using a repeater, the transmit frequency is shifted from the receive frequency by an offset frequency. A repeater can be accessed using split frequency operation with the transmit frequency shifted to...

  • Page 85

    4-33 4 receive and transmit d repeater access tone frequency setting some repeaters require subaudible tones to be ac- cessed. Subaudible tones are superimposed on your normal signal and must be set in advance. The trans- ceiver has 50 tones from 67.0 hz to 254.1 hz. Q select fm mode. W hold down [t...

  • Page 86: Tone Squelch Operation

    4-34 ■ tone squelch operation the tone squelch opens only when receiving a sig- nal containing a matching subaudible tone. You can silently wait for calls from group members using the same tone. Q set the desired frequency band and select fm mode. W push [tone] (mf6) to turn the tone squelch func- t...

  • Page 87: Data Mode (Afsk) Operation

    4-35 4 receive and transmit ■ data mode (afsk) operation when operating rtty, sstv, amtor or packet with your tnc and/or pc software in the afsk mode, consult the manual that comes with the tnc and/or the software. Q connect a pc and tnc to the transceiver. (p. 2-9) w push a band key to select the d...

  • Page 89: Functions For Receive

    5-1 functions for receive section 5 ■ spectrum scope screen .................................................................... 5-2 d center mode ................................................................................. 5-2 d fixed mode .........................................................

  • Page 90: Spectrum Scope Screen

    5-2 ■ spectrum scope screen this dsp-based spectrum scope allows you to dis- play the frequency and relative signal strength of received signals on the strengths of signals. The ic-7700 has two modes for the spectrum display— one is center mode, and the other is fixed mode. In addition, the ic-7700 ...

  • Page 91

    5-3 d fixed mode displays signals within the specified frequency range. Conditions on the selected frequency band can be observed at a glance when using this mode. Q push exit/set several times to close any multi- function screens, if necessary. W push [scope] f-1 to select the scope screen. • push ...

  • Page 92

    5-4 d mini scope screen display the mini scope screen can be displayed with another screen display, such as set mode menu, decode screen, memory list screen, etc. Simultaneously. Q set the scope mode (center or fixed), marker, at- tenuator, span, etc. In advance. (pp. 5-2, 5-3) w push m.Scope to tog...

  • Page 93

    5-5 d scope set mode (continued) 5 functions for receive scope during tx (center type) on turn display of the transmit signal on or off. Note: transmit signal display is available for the center mode only. Max hold on turn the peak level hold function on or off. Center type display filter center sel...

  • Page 94

    5-6 d scope set mode (continued) 5 functions for receive waterfall display on set the waterfall display to on or off. • on : displays the waterfall of the spectrum scope. • off : does not display the waterfall. Waterfall peak color level grid 8 the signal level that reaches a peak color is set to gr...

  • Page 95

    5-7 d scope set mode (continued) 5 functions for receive fixed edges ( 0.03 – 1.60) 0.750 1.250 – mhz set the scope edge frequencies for fixed mode for bands below 1.6 mhz. • set the frequencies within 0.030 to 1.600 mhz range in 1 khz steps. As edge frequencies are set, the other edge fre- quency w...

  • Page 96

    5-8 d scope set mode (continued) 5 functions for receive (20.00 – 22.00) 21.000 21.450 – mhz set the scope edge frequencies for fixed mode scope when the 20 to 22 mhz band is selected. • set the frequencies within 20.000 to 22.000 mhz range in 1 khz steps. As edge frequencies are set, the other edge...

  • Page 97

    5-9 5 functions for receive d usb mouse operation if you connect a usb mouse to the transceiver, a mouse pointer appears on the spectrum scope screen. Now, you can change the frequency by using the mouse. Mouse pointer while holding down [xfc], the mouse changes the transmit frequency. • mouse opera...

  • Page 98: Preamplifier

    5-10 5 functions for receive ■ preamplifier the preamp amplifies received signals in the receiver front end, to improve the s/n ratio and sensitivity. Set this to preamp 1 or preamp 2 when receiving weak signals. ➥ push [p.Amp] (mf3) several times to set the preamp off, preamp 1 on or preamp 2 on. ➥...

  • Page 99: Rit Function

    5-11 5 functions for receive ■ rit function the rit (receive increment tuning) function com- pensates for off-frequency operation of the received station. The function shifts the receive frequency up to ±9.99 khz in 10 hz steps without moving the transmit frequency. Q push rit to turn the rit functi...

  • Page 100: Agc Function

    ■ agc function the agc (auto gain control) controls receiver gain to produce a constant audio output level even when the received signal strength varies greatly. The transceiver has 3 preset agc characteristics (time constant: fast, mid, slow) for non-fm modes. The fm mode agc time constant is fixed...

  • Page 101: Twin Pbt Operation

    5-13 5 functions for receive ■ twin pbt operation to reject interference, pbt (passband tuning) elec- tronically narrows the if passband width by shifting the if frequency slightly outside of the if filter pass- band. The ic-7700 uses dsp for the pbt function. Moving both [twin-pbt] controls shifts ...

  • Page 102: If Filter Selection

    Filter 5-14 5 functions for receive mode if filter adjustable range (steps) ssb fil1 (3.0 khz) 50 to 500 hz (50 hz) 600 hz to 3.6 khz (100 hz) fil2 (2.4 khz) fil3 (1.8 khz) ssb-d cw psk fil1 (1.2 khz) 50 to 500 hz (50 hz) 600 hz to 3.6 khz (100 hz) fil2 (500 hz) fil3 (250 hz) rtty fil1 (2.4 khz) 50 ...

  • Page 103

    5-15 5 functions for receive d roofing filter selection the ic-7700 has 3, 6 and 15 khz roofing filters at the 1st if frequency. The roofing filter provides interfer- ence reduction from nearby strong signals. Q hold down filter for 1 second to enter filter set screen. W select any mode except fm. E...

  • Page 104

    D filter shape set mode (continued) 5-16 5 functions for receive hf ssb (600hz – ) sharp select the filter shape for ssb mode in hf bands. The set filter shape is automatically used only when the if filter is set to 600 hz or wider. Ssb–d (600hz – ) sharp select the filter shape for ssb data mode in...

  • Page 105: Noise Blanker

    5-17 5 functions for receive ■ noise blanker the noise blanker eliminates pulse-type noise such as the noise from car ignitions. The noise blanker is not available for fm mode. Q push nb to turn the noise blanker function on or off. • [nb] indicator above this switch lights green. W rotate [nb] cont...

  • Page 106: Noise Reduction

    5-18 5 functions for receive ■ noise reduction the noise reduction function reduces random noise components and enhances desired signals which are buried in noise. The dsp performs the random noise reduction function. Q push nr to turn the noise reduction on. • [nr] indicator above this switch light...

  • Page 107: Notch Function

    5-19 5 functions for receive ■ notch function this transceiver has auto and manual notch functions. The auto notch function uses dsp to automatically attenuate beat tones, tuning signals, etc., even if they are moving. The manual notch can be set to attenuate a frequency via the [notch] control.The ...

  • Page 108: Audio Scope Screen

    5-20 5 functions for receive • audio scope oscilloscope waterfall fft scope ■ audio scope screen f-2 att f-4 hold f-6 level time set f-5 f-7 exit/set this audio scope allows you to display the received signal’s frequency component to the fft scope, and its waveform component to the oscilloscope. The...

  • Page 109

    5-21 5 functions for receive fft scope waveform type fill select the waveform type for the fft scope. • fill : the waveform is represented by the color. • line : the waveform is represented by outline. Fft scope waveform color 51 153 255 set the waveform color for the fft scope. • the color is set i...

  • Page 110: Autotune Function

    ■ autotune function the automatic tuning function tunes the displayed frequency (maximum cw: ±500 hz, am: ±5 khz) au- tomatically when an off-frequency signal is received. This function is active while in cw or am mode is se- lected. ➥ push [autotune] to toggle the autotune function on or off. • “ a...

  • Page 111: Functions For Transmit

    6-1 functions for transmit section 6 ■ vox function ..................................................................................... 6-2 d using the vox function ................................................................ 6-2 d adjusting the vox function ......................................

  • Page 112: Vox Function

    6-2 ■ vox function the vox (voice-operated transmission) function switches between transmit and receive with your voice. This function provides “hands-free” operation. D using the vox function q select a phone mode (ssb, am, fm). W push vox to turn the vox function on or off. • “ vox ” appears while...

  • Page 113: Break-In Function

    6-3 ■ break-in function the break-in function is used in cw mode to auto- matically toggle the transceiver between transmit and receive when keying. The ic-7700 is capable of full break-in or semi break-in. D semi break-in operation during semi break-in operation, the transceiver im- mediately trans...

  • Page 114: ∂Tx Function

    6-4 ■ ∂tx function the ∂tx function shifts the transmit frequency up to ±9.999 khz in 1 hz steps (10 hz steps when cancel- ling the 1 hz step readout) without moving the receive frequency. Q push ∂tx . • “ ∂ tx ” appears. W rotate [rit/∂tx]. E to reset the ∂tx frequency, hold down clear for 1 second...

  • Page 115: (Ssb Only)

    6-5 ■ transmit filter width setting (ssb only) the transmit filter width for ssb mode can be se- lected from wide, middle and narrow. ➥ during usb or lsb mode selection, hold down [comp] (mf6) for 1 second several times to select the desired transmit filter width from wide, middle and narrow. • the ...

  • Page 116: Split Frequency Operation

    ■ split frequency operation split frequency operation allows you to transmit and receive in the same mode on two different frequen- cies. Split frequency operation is performed using 2 frequencies on the main and sub readouts. The following is an example of setting 21.290 mhz for receiving and 21.31...

  • Page 117: Quick Split Function

    6-7 ■ quick split function when you find a dx station, an important considera- tion is how to set the split frequency. When you hold down the split switch for 1 second, split frequency operation is turned on and the trans- mit frequency is equalized to the received frequency. This shortens the time ...

  • Page 119: Voice Recorder Functions

    7-1 voice recorder functions section 7 ■ recording a qso audio ……………………………………………… 7-2 d to start or stop recording …………………………………………… 7-2 ■ recording quick operation …………………………………………… 7-2 d to start or stop recording …………………………………………… 7-2 ■ playing back the recorded audio (qso) …………………………… 7-3 d basi...

  • Page 120: Recording A Qso Audio

    7-2 7 voice recorder functions ■ recording a qso audio ■ recording quick operation the voice recorder function records a qso (communi- cation) audio onto a usb flash drive. This function enables you to record both received and transmitted audio, a qso with a dx’pedition, and play- back the recorded ...

  • Page 121

    7-3 7 voice recorder functions ■ playing back the recorded audio (qso) d basic playing q push exit/set several times to close a multi-func- tion screen, if necessary. W push [voice] f-2 to display the voice recorder menu. E push [qso play] f-5 to call up the voice qso player screen. • the folder lis...

  • Page 122

    7-4 7 voice recorder functions d operating while playing back you can fast forward or rewind while playing back. • fast forward while playing push [ ] f-4 to fast forward to the skip time point. (default: 10 seconds) you can change the skip time in the voice set mode. (p. 7-14) • rewind while playin...

  • Page 123: Deleting Recorded Audio File

    7-5 7 voice recorder functions ■ deleting recorded audio file f-5 del f-1 f-2 q push exit/set several times to close a multi-func- tion screen, if necessary. W push [voice] f-2 to display the voice recorder menu. E push [qso play] f-5 to call up the voice qso player screen. • the folder list is ...

  • Page 124

    7-6 7 voice recorder functions ■ about digital voice recorder the ic-7700 has digital voice memories, up to 4 mes- sages for transmit, and up to 20 messages for re- ceive. A maximum message length of 30 seconds can be re- corded into a receive memory (total message length for all channels of up to 2...

  • Page 125

    7-7 7 voice recorder functions ■ playing back the recorded audio (short rec) d basic playing f-3 play f-1 f-2 q push exit/set several times to close a multi- function screen, if necessary. W push [voice] f-2 to display the voice recorder menu. E push [play] f-1 to display the voice recorder scre...

  • Page 126

    7-8 7 voice recorder functions ■ playing the recorded audio (continued) d one-touch playing the previously recorded audio in message 1 can be played back without selecting voice recorder screen. Play ➥ push play momentarily to play back the last 5 seconds of the previously recorded audio. • “ ≈ play...

  • Page 127

    7-9 7 voice recorder functions ■ recording a message for transmit to transmit a message using the voice recorder, record the desired message in advance as described below. The ic-7700 has digital voice memories for transmis- sion, up to 4 messages and you can record message in length of up to 99 sec...

  • Page 129: Sending A Recorded Message

    7-11 7 voice recorder functions ■ sending a recorded message d single tx f-1 t1 f-2 t2 f-3 t3 f-4 t4 f-7 t/r exit/set q push exit/set several times to close a multi-func- tion screen, if necessary. W select a phone mode by pushing ssb or am/fm . E push [voice] f-2 to enter the voice recorder menu. R...

  • Page 130

    7-12 7 voice recorder functions ■ sending a recorded message (continued) d transmit level setting main dial exit/set f-6 tx lev. F-7 def q call up the voice recorder screen as described above. W push [tx lev.] f-6 to select the voice memory transmit level set condition. E push the desired message sw...

  • Page 131: Voice Set Mode

    7-13 7 voice recorder functions ■ voice set mode sets the automatic monitor function, short play and normal recording times for voice recorder. Main dial f-4 def f-1 ∫ f-2 √ exit/set q push exit/set several times to close a multi-func- tion screen, if necessary. W push [voice] f-2 to display the voi...

  • Page 132: Voice Set Mode (Continued)

    7-14 7 voice recorder functions qso rec mode tx&rx select the recording mode for recording a qso audio. • tx&rx : records both the transmitted and received audio. • rx only : records only the received audio. Rx rec condition squelch auto select whether or not the squelch status affects the rx voice ...

  • Page 133

    7-15 7 voice recorder functions ■ saving a voice message into the usb flash drive d saving the received audio memory the recorded rx memory contents can be saved into the usb flash drive. Q during voice recorder rx memory screen display, push [save] f-6 to select voice file save screen. • previously...

  • Page 135: Memory Operation

    8-1 memory operation section 8 ■ memory channels ............................................................................. 8-2 ■ memory channel selection ................................................................ 8-2 d using the ∫ / √ keys .....................................................

  • Page 136: Memory Channels

    8-2 ■ memory channels the transceiver has 101 memory channels. Memory mode is very useful for quickly changing to often-used frequencies. All 101 memory channels are tuneable which means the programmed frequency can be tuned temporarily with the main dial, etc. In memory mode. ■ memory channel selec...

  • Page 137: Memory Channel Programming

    8-3 8 memory operation ■ memory channel programming memory channel programming can be preformed ei- ther in vfo mode or in memory mode. D programming in vfo mode q set the desired frequency, operating mode and fil- ter width in vfo mode. W push ∫ / √ several times to select the de- sired memory chan...

  • Page 138: Frequency Transfers

    ■ frequency transfers the frequency and operating mode in a memory channel can be transferred to the vfo. Frequency transfers can be performed in either vfo mode or memory mode. D transferring in vfo mode this is useful for transferring programmed contents to a vfo. Q select vfo mode with v/m . W se...

  • Page 139: Memory List Screen

    8-5 8 memory operation ■ memory list screen the memory list screen simultaneously shows 9 memory channels and their programmed contents. 15 memory channels can be displayed in the wide memory list screen. You can select a desired memory channel from the memory list screen. D selecting a memory chann...

  • Page 141: Memo Pads

    8-7 8 memory operation ■ memo pads the transceiver has a memo pad function to store fre- quency and operating mode for easy write and recall. The memo pads are separate from memory channels. The default number of memo pads is 5, however, this can be increased to 10 in set mode if desired. (p. 12-15)...

  • Page 143: Scans

    9-1 scans section 9 ■ scan types ........................................................................................ 9-2 ■ preparation ....................................................................................... 9-2 ■ voice squelch control function ......................................

  • Page 144: Scan Types

    9-2 ■ scan types • the scan function can be used on the main read- out only. • you can perform a scan while operating on a fre- quency using the split functions. Programmed scan repeatedly scans between two scan edge frequencies (scan edge memory channels p1 and p2). This scan operates in vfo mode. ...

  • Page 145: Scan Set Mode

    9-3 ■ voice squelch control function this function is useful when you don’t want unmodu- lated signals pausing or cancelling a scan. When the voice squelch control function is activated, the trans- ceiver checks received signals for voice components. If a received signal includes voice components, a...

  • Page 146: Programmed Scan Operation

    9-4 ■ programmed scan operation q push exit/set several times to close a multi-func- tion screen, if necessary. W select vfo mode. E select the desired operating mode. • the operating mode can also be changed while scan- ning. R push [scan] f-5 to select the scan screen. T set [sql] open or closed. ...

  • Page 147

    9-5 ■ fine programmed scan/fine ∂f scan in fine scan (programmed or ∂f), the scan speed de- creases when the squelch opens, but the transceiver keeps scanning. The scanning tuning step shifts from 50 hz to 10 hz when the squelch opens. Q push exit/set several times to close a multi-func- tion screen...

  • Page 148: Memory Scan Operation

    9-6 ■ memory scan operation q push exit/set several times to close a multi-func- tion screen, if necessary. W select memory mode. E push [scan] f-5 to select the scan screen. R set [sql] open or closed. • see page 9-2 for squelch condition. T push [memo] f-1 to start the memory scan. • “ memory scan...

  • Page 149

    9-7 ■ setting select memory channels d setting in scan screen q push exit/set several times to close a multi-func- tion screen, if necessary. W select memory mode. E push [scan] f-5 to select the scan screen. R select the desired memory channel to set as a se- lect memory channel. • ∫ / √ keys and d...

  • Page 150: Tone Scan

    9-8 ■ tone scan the transceiver can detect subaudible tones in a received signal. By monitoring a signal that is being transmitted on a repeater input frequency, you can determine the tone frequency required to access the repeater. Q set the desired frequency or memory channel to be checked for a to...

  • Page 151: Antenna Tuner Operation

    10-1 antenna tuner operation section 10 ■ antenna connection and selection ................................................. 10-2 ■ antenna memory settings ............................................................... 10-3 d antenna type selection .....................................................

  • Page 152

    10-2 ■ antenna connection and selection the ic-7700 has 4 antenna connectors for the hf/50 mhz bands, [ant1], [ant2], [ant3], and [ant4]. For each operating band the ic-7700 covers, there is a band memory which memorizes the selected antenna. When you change the operating frequency outside of a band...

  • Page 153: Antenna Memory Settings

    10-3 ■ antenna memory settings this function stores the antenna connector number for each frequency band. Q push exit/set several times to close multi-function screen, if necessary. W hold down [ant] (mf1) for 1 second to select an- tenna set screen. E select the desired frequency band with a band k...

  • Page 154

    ■ antenna memory settings (continued) d temporary memory the antenna temporary memory memorizes the man- ually selected antenna. The selected antenna will be re-called even if frequency band has been changed. Q select the antenna set screen. W push [temp-m] f-4 to turn the temporary mem- ory on or o...

  • Page 155

    10-5 10 antenna tuner operation d receive antenna i/o setting in the default setting, receive antenna connectors, [rx ant-in] and [rx ant-out], on the rear panel are deactivated and are connected internally by the switching relay. If you want to connect an external preamp or low-pass filter between ...

  • Page 156: Antenna Tuner Operation

    10-6 10 antenna tuner operation ■ antenna tuner operation the internal automatic antenna tuner matches the transceiver to the connected antenna automatically. After the tuner matches an antenna, the variable ca- pacitor settings are memorized as a preset point for each frequency range (100 khz steps...

  • Page 157

    10-7 10 antenna tuner operation ■ antenna tuner operation (continued) • ptt tuner start the tuner is always re-tuned when the ptt is pushed after the frequency is changed (more than 1% from last-tuned frequency). This function replaces the “hold down tuner ” operation and activates for the first tra...

  • Page 159: Clock And Timers

    11-1 clock and timers section 11 ■ time set mode ................................................................................ 11-2 ■ daily timer setting ........................................................................... 11-3 ■ setting sleep timer ...........................................

  • Page 160: Time Set Mode

    11-2 ■ time set mode the ic-7700 has a built-in calendar and 24-hour clock (accuracy ±75 seconds per month) with daily power on/off timer functions. Before operating these timer functions, set the current date and time. Q push exit/set to close multi-function screen, if necessary. W push [set] f-7 t...

  • Page 161: Daily Timer Setting

    11-3 ■ daily timer setting the transceiver turns power on and/or off automat- ically on the specified day and time, with the specified frequency settings. Q push exit/set several times to close multi-function screen, if necessary. W hold down timer for 1 second to select timer set screen. E push one...

  • Page 162: Setting Sleep Timer

    11-4 ■ setting sleep timer the sleep timer turns the transceiver power off au- tomatically after passing the set period. The timer can be set to 5–120 minutes in 5 minute steps. The sleep timer function counts the ‘minute’ units, and does not count the ‘second’ units. For example, when the sleep tim...

  • Page 163: Set Mode

    12-1 set mode section 12 ■ set mode description ...................................................................... 12-2 d set mode operation .................................................................... 12-2 d screen arrangement ...............................................................

  • Page 164: Set Mode Description

    12-2 ■ set mode description set mode is used for programming infrequently changed values or conditions of functions. The ic-7700 has a level set mode, display set mode, time set mode, accessory set mode, others set mode and usb-memory set menu. D set mode operation q push exit/set several times to c...

  • Page 165

    12-3 12 set mode d screen arrangement • set mode menu screen (p. 12-2) • level set mode (p. 12-4) • acc set mode (p. 12-7) • time set mode (p. 11-2) • display set mode (p. 12-10) • others set mode (p. 12-12) • usb-memory set menu (p. 12-23) f-1 f-2 f-3 f-3 f-4 f-5 f-7 f-2 f-4 f-5 f-6 f-7 f-1 f-2 f-3...

  • Page 166: Level Set Mode

    12-4 12 set mode ■ level set mode ssb rx hpf/lpf – – – – – – – sets the high-pass filter (100 hz to 2000 hz) and low-pass filter (500 hz to 2400) of the receive audio in 100 hz steps in ssb mode. (default: off) note: when this setting is active, below 2 items will be reset to default value, ‘0.’ ton...

  • Page 167: Level Set Mode

    12-5 12 set mode cw rx hpf/lpf – – – – – – – sets the high-pass filter (100 hz to 2000 hz) and low-pass filter (500 hz to 2400) of the receive audio in 100 hz steps in cw mode. (default: off) rtty rx hpf/lpf – – – – – – – sets the high-pass filter (100 hz to 2000 hz) and low-pass filter (500 hz to 2...

  • Page 168: Level Set Mode

    12-6 12 set mode ssb tbw (wide) 100 – 2900 sets the transmission passband width to a wide setting by changing the lower and higher cut-off fre- quencies. Lower freq. : 100 (default), 200, 300 and 500 hz higher freq. : 2500, 2700, 2800 and 2900 hz (de- fault) ssb tbw (mid) 300 – 2700 sets the transmi...

  • Page 169: Acc Set Mode

    12-7 12 set mode ■ acc set mode acc af output level 50% sets the desired audio output level, output from [acc1], within 0 to 100% in 1% steps. • outputs approximately 200 mv at 50% (default) setting. S/pdif output level 100% sets the desired output level of [s/p dif], within 0 to 100% in 1% steps. (...

  • Page 170: Acc Set Mode

    12-8 12 set mode data2 mod mic,acc selects the desired connector(s) for modulation input when data 2 mode (d2) is in use. • mic : use the signals from [mic]. • acc : use the signals from [acc1] (pin 4). • mic,acc : use the signals from [mic] and [acc1] (pin 4). (default) • s/p dif : use the signals ...

  • Page 171: Acc Set Mode

    12-9 12 set mode ref in/out off selects the transceiver’s reference signal condition from in, off and out. • in : use an external reference signal for the ic- 7700. Turn the transceiver power off then on to make the setting effective. • off : not input/output the reference signal. (default) • out : ...

  • Page 172: Display Set Mode

    12-10 12 set mode lcd unit bright 50% adjusts the lcd unit brightness from 0 (dark) to 100% (bright) range in 1% steps. (default: 50%) backlight (switches) 80 adjusts the switch indicators brightness from 1 (dark) to 100 (bright) range in 1 steps. (default: 80) display type a selects the desired dis...

  • Page 173: Display Set Mode

    12-11 12 set mode mn–q popup (mn off on) on enables the pop-up display capability for the notch filter width when the manual notch filter is turned on. (default: on) screen saver function 60min turns the screen saver function on (15, 30 or 60 minutes) and off. (default: 60 minutes) the screen saver ...

  • Page 174: Other Set Mode

    12-12 12 set mode calibration marker off this item is used for a simple frequency check of the transceiver. (default: off) see page 13-5 for calibration procedure. Note: turn the calibration marker off after check- ing the frequency of the transceiver. Beep (confirmation) on a beep sounds each time ...

  • Page 175: Other Set Mode

    12-13 12 set mode tx delay (50m) off sets the transmission’s timing for the 50 mhz band. See the previous item “tx delay (hf)” for more de- tails. Time–out timer (ci–v) off turns the time-out timer function on (3, 5, 10, 20 or 30 minutes) or off. If a continuous transmission exceeds the selected tim...

  • Page 176: Other Set Mode

    12-14 12 set mode tuner (auto start) off the internal antenna tuner has an automatic start capability which starts tuning if the swr is higher than 1.5–3:1. • off : the tuner remains off even when the swr is poor (1.5–3:1). (default) • on : automatic tune starts even when the tuner is turned off dur...

  • Page 177: Other Set Mode

    12-15 12 set mode speech s-level on the ic-7700 speech processor can announce frequency, mode and signal level. Signal level an- nouncement can be deactivated if desired. (default: on) when “off” is selected, the signal level is not an- nounced. Speech [mode] switch off selects the operating mode sp...

  • Page 178: Other Set Mode

    12-16 12 set mode ssb/cw synchronous tuning off selects the displayed frequency shift function from on and off. (default: off) when this function is activated, the audio pitch or tones of the received signal will remain the same even when the operating mode is changed between ssb and cw. The amount ...

  • Page 179: Other Set Mode

    12-17 12 set mode external keypad (psk) off sets the external keypad for psk memory transmis- sion capability on or off. Only psk memory channels pt1, pt2, pt3 and pt4 can be transmitted using the external keypad. See page 2-7 for the equivalent circuit of an external keypad and connection. • on : i...

  • Page 180: Other Set Mode

    12-18 12 set mode ci–v address 74h to distinguish equipment, each ci-v transceiver has its own icom standard address in hexadecimal code. The ic-7700’s address is 74h. When 2 or more ic-7700’s are connected to an op- tional ct-17 ci - v level converter , rotate the main dial to select a different ad...

  • Page 181: Other Set Mode

    12-19 12 set mode keyboard repeat delay 250ms sets the time period for delay from 100 to 1000 mil- liseconds in 50 millisecond steps. (default: 250 mil- liseconds) when a key of the connected keyboard is held down for the set period, the character is input continuously. Keyboard repeat rate 10.9cps ...

  • Page 182: Other Set Mode

    12-20 12 set mode serial port (udp) (valid after reboot) 50002 sets the serial port of the ic-7700 by accessing from the remote station. Only when you configure the remote control system using an optional rs-ba1, you need this setting. Turn the transceiver power off then on to make the setting effec...

  • Page 183: Other Set Mode

    12-21 12 set mode network user2 id register the users id to allow them to remotely ac- cess the ic-7700. The ic-7700 can register three users to network user1 id to network user3 id. Only when you configure the remote control sys- tem using an optional rs-ba1, you need this reg- istration. See the n...

  • Page 184: Other Set Mode

    12-22 12 set mode network af sample rates 8khz, 12khz, 16khz selects the limitation of the received audio sampling rate that remote stations can adjust. 8 khz, 12 khz, 16 khz, 24 khz and 48 khz are se- lectable. (default: 16 khz) higher sampling rates will improve the audio qual- ity. However, they ...

  • Page 185: Usb-Memory Set Menu

    12-23 12 set mode ■ usb-memory set menu d usb-memory set screen arrangement • usb-memory set menu • setting load screen (p. 12-26) • load option set mode (p. 12-25) • firmware update (p. 16-4) • format menu (p. 12-30) • setting save screen (p. 12-26) • save option set mode (p. 12-24) f-1 f-2 f-3 f-4...

  • Page 186

    12-24 12 set mode save contents all selects file save condition from all and select. (default: all) • all : saves all the following contents. • select : saves the selected contents only. Memory & settings yes this setting is fixed “yes.” • yes : saves memory channel contents and set- tings of set mo...

  • Page 187

    12-25 12 set mode load contents select selects file load condition from all and select. (default: select) • all : loads and sets the all following contents. • select : loads and sets the selected contents only. Ant memory no selects the antenna memory setting loading condi- tion from yes and no. (de...

  • Page 188: File Saving

    12-26 12 set mode ■ file saving memory channel contents, set mode settings, etc. Can be saved into the usb flash drive for backup. Q during set mode menu screen display, push [usb] f-7 to select usb-memory set menu screen. W push [save] f-2 to select setting save screen. E change the following condi...

  • Page 189: File Loading

    12-27 12 set mode ■ file loading by loading the saved setting file from the usb flash drive, you can easily set up another ic-7700—several operators settings can easily be applied to one ic- 7700. Q during set mode menu screen display, push [usb] f-7 to select usb-memory set menu screen. W push [loa...

  • Page 190: Changing A File Name

    ■ changing a file name the file name, saved in the usb flash drive, can be re-named from the transceiver as desired. Q d u r i n g s e t t i n g s ave s c r e e n d i s p l ay, p u s h [dir/file] f-1 to select tree view screen. • push [y] f-2 or [z] f-3 to select the desired folder. • “decode,” “set...

  • Page 191: Deleting A File

    12-29 12 set mode ■ deleting a file recommendation! Deleting the setting file is irreversible. Confirm the contents before deleting a setting file! Q d u r i n g s e t t i n g s ave s c r e e n d i s p l ay, p u s h [dir/file] f-1 to select tree view screen. • push [y] f-2 or [z] f-3 to select the d...

  • Page 192: Formatting Usb Flash Drive

    12-30 12 set mode ■ formatting usb flash drive saved data in the usb flash drive can be erased. Important! Formatting erases all saved data in the usb flash drive. Making a backup file on your pc is recommended. Q during usb-memory set menu display, hold down [format] f-4 for 1 second. • confirmatio...

  • Page 193: Maintenance

    13-1 maintenance section 13 ■ troubleshooting .............................................................................. 13-2 d transceiver power ....................................................................... 13-2 d transmit and receive .....................................................

  • Page 194: Troubleshooting

    ■ troubleshooting the following chart is designed to help you correct problems which are not equipment malfunctions. If you are unable to locate the cause of a problem or solve it through the use of this chart, contact your nearest icom dealer or service center. D transceiver power d transmit and re...

  • Page 195: Main Dial Brake Adjustment

    13-3 d scanning d display d format usb flash drive 13 maintenance problem possible cause solution ref. Programmed scan does not stop. Programmed scan does not start. Memory scan does not start select memory scan does not start • squelch is open. • the same frequencies have been programmed in scan ed...

  • Page 196: Swr Reading

    13-4 ■ swr reading the swr meter indicates the swr over the trans- mission line in all modes. Q push tuner to turn the antenna tuner off. W hold down [meter] for 1 second to display multi- function meter. E push rtty/psk once or twice to select rtty mode. R push transmit . T rotate [rf pwr] clockwis...

  • Page 197: Frequency Calibration

    13-5 ■ frequency calibration (approximate) a very accurate frequency counter is required to calibrate the frequency of the transceiver. However, a rough check may be performed by receiving radio station wwv, wwvh, or other standard frequency signals. Caution: the ic-7700 has been thoroughly adjusted...

  • Page 198

    13-6 ■ opening the transceiver’s case follow the case opening procedures shown here when you want to replace the clock backup battery or internal fuse. Rwarning! Disconnect the ac power cable from the transceiver before performing any work on the transceiver. Otherwise, there is danger of elec- tric...

  • Page 199: Fuse Replacement

    13-7 ■ fuse replacement when no external dc output is available from [ext dc] and acc connectors, the internal fuse may be open. Replace the fuse in this case. R warning! Disconnect the ac power cable from the ac outlet before removing the transceiver’s cover. Q remove the bottom cover as shown left...

  • Page 200: About Protection Indications

    13-8 ■ about protection indications the ic-7700 has a 2-step protection function to pro- tect the final power amplifiers. The protector monitors the power amplifier tempera- ture and activates when the temperature becomes extremely high. • power down transmission reduces the transmit output power to...

  • Page 201: Control Command

    14-1 control command section 14 ■ remote jack (ci-v) information ...................................................... 14-2 d ci-v connection example ........................................................... 14-2 d data format .........................................................................

  • Page 202: D Data Format

    14-2 ■ remote jack (ci-v) information d ci-v connection example the transceiver can be connected through an optional ct-17 ci - v level converter to a pc equipped with an rs-232c port. The icom communications interface-v (ci-v) controls the transceiver. Up to 4 icom ci-v transceivers or receivers ca...

  • Page 203: D Command Table

    14-3 d command table 14 control command cmd. Sub cmd. Data description 00 see p. 14-10 send frequency data for transceive 01 see p. 14-10 send mode data for transceive 02 see p. 14-12 read band edge frequencies 03 see p. 14-10 read operating frequency 04 see p. 14-10 read operating mode 05 see p. 14...

  • Page 204

    14-4 d command table (continued) 14 control command cmd. Sub cmd. Data description 14 11 0000 to 0255 send/read [agc] level (0000=max. Ccw to 0255=max. Cw) 12 0000 to 0255 send/read nb level (0000=0%, 0255=100%) 13 0000 to 0255 send/read [digi-sel] position (0000=max. Ccw to 0255=max. Cw) 14 0000 to...

  • Page 205

    14-5 d command table (continued) 14 control command cmd. Sub cmd. Data description 1a 05 0001 see p. 12-4 send/read ssb rx hpf/lpf ( hpf: 0=through, 1=100 to 20=2000, lpf: 5=500 to 24=2400, 25=through) 0002 00 to 10 send/read ssb rx tone (bass) level (00 =–5 to 10=+5) 0003 00 to 10 send/read ssb rx ...

  • Page 206

    14-6 d command table (continued) 14 control command cmd. Sub cmd. Data description 1a 05 0053 00 to 02 set/read screen saver type (00=bound, 01=rotation, 02=twist) 0054 00/01 send/read output signal setting for external display (00=off, 01=on) 0055 00/01 send/read synchronous pulse level setting (00...

  • Page 207

    14-7 d command table (continued) 14 control command cmd. Sub cmd. Data description 1a 05 0113 00 to 02 send/read scope sweep speed for ±100 khz span (00=slow, 01=mid., 02=fast) 0114 00 to 02 send/read scope sweep speed for ±250 khz span (00=slow, 01=mid., 02=fast) 0115 see p. 14-11 send/read scope e...

  • Page 208

    14-8 14 control command cmd. Sub cmd. Data description 1a 05 0177 00/01 send/read antenna temporary memory set (00=off, 01=on) 0178 00 to 02 send/read antenna selection (00=off, 01=manual, 02=auto) 0179 00/01 send/read usage for ant2 (00=off, 01=tx/rx) 0180 00/01 send/read usage for ant3 (00=off, 01...

  • Page 209

    14-9 14 control command d command table (continued) cmd. Sub cmd. Data description 1a 05 0224 00, 01 send/read antenna controller status (frequency, and so on) data output from [remote] (00=off, 01=on) 06 see p. 14-11 send/read data mode with filter set 07 00 wide selection for ssb transmit bandwidt...

  • Page 210

    14-10 14 control command • operating frequency command : 00, 03, 05 , 1c 03 q x x x x x w e x r t x x 0 0 10 hz digit: 0–9 1 hz digit: 0–9 1 khz digit: 0–9 100 hz digit: 0–9 100 khz digit: 0–9 10 khz digit: 0–9 10 mhz digit: 0–6 1 mhz digit: 0–9 1000 mhz digit: 0 (fix ed) 100 mhz digit: 0 (fix ed) •...

  • Page 211

    14-11 14 control command • offset frequency setting command : 1a 05 0068, 0069, 0074 1 khz digit: 0–9 100 hz digit: 0 (fix ed) 100 khz digit: 0–9 10 khz digit: 0–9 10 mhz digit: 0–9 † 1 mhz digit: 0–9 direction: 00=+ direction 01=– direction q 0 x x x x xx w e 0 r * *no need to enter for transverter...

  • Page 212

    14-12 14 control command • ssb transmission passband width setting the following data sequence is used when sending or reading the ssb transmission passband width setting. Command : 1a 05 0019, 0020, 0021 x x higher edge: 0=2500 hz 1=2700 hz 2=2800 hz 3=2900 hz lower edge: 0=100 hz 1=200 hz 2=300 hz...

  • Page 213

    14-13 14 control command d data contents description (continued) q , w memory channel number 0001–0099 : memory channel 1 to 99 0100 : programmed scan edge p1 0101 : programmed scan edge p2 to clear the memory channel contents, add the code “ff” after the momory channel number. (in- stead of the dat...

  • Page 214

    14-14 14 control command d data contents description (continued) • codes for network radio name contents command : 1a 05 0203 - character’s code— number character ascii code character ascii code 0–9 30–39 - character’s code— alphabetical characters character ascii code character ascii code a–z 41–5a...

  • Page 215: Specifications And Options

    15-1 specifications and options section 15 ■ specifications ................................................................................. 15-2 d general ....................................................................................... 15-2 d transmitter .......................................

  • Page 216: Specifications

    15-2 ■ specifications d general • frequency coverage (unit: mhz) : receiver 0.030000–60.000000* 1 transmitter 1.800000–1.999999* 2 , 3.500000–3.999999* 2 , 5.255000 – 5.405000* 1, , 7.000000–7.300000* 2 , 10.100000–10.150000* 2 , 14.000000–14.350000* 2 , 18.068000–18.168000* 2 , 21.000000–21.450000*...

  • Page 217

    15-3 d receiver • receive system : double conversion superheterodyne system • intermediate frequencies : 1st 64.455 mhz 2nd 36 khz • sensitivity (typical) : ssb, cw, rtty (bw=2.4 khz, 10 db s/n) 0.100000– 1.799999 mhz 0.5 µv (preamp 1 on) 1.800000– 29.990000 mhz 0.16 µv (preamp 1 on) 50.000000– 54.0...

  • Page 218: Options

    • ic-pw1/euro hf /50 mh z all band 1 k w linear amplifier full-duty-cycle 1 kw linear amplifier including an automatic antenna tuner. Has automatic tuning and band selection capability when used with an icom transceiver. Full break-in (qsk) operation. The amplifier/power supply unit and the remote c...

  • Page 219: Updating The Firmware

    16-1 updating the firmware section 16 ■ general ........................................................................................... 16-2 ■ caution ........................................................................................... 16-2 ■ preparation .....................................

  • Page 220: General

    16-2 ■ general the ic-7700’s firmware can be updated if desired. By updating the firmware, new function(s) can be added and the improvement of performance parameters can be obtained. 2 methods of firmware update are available: one uses the usb flash drive, and the other uses a pc. You can choose eit...

  • Page 221: Preparation

    ■ preparation d firmware and firm utility the latest firmware and the firm utility can be down- loaded from the icom home page via the internet. Access the following url to download the firm utility and the latest firmware. Http://www.Icom.Co.Jp/world/index.Html for updating from the usb flash drive...

  • Page 222

    16-4 ■ firmware update— usb flash drive when updating the firmware with the usb flash drive, no ip address or subnet mask settings are necessary. Q copy the downloaded firmware data into the usb flash drive (“ic-7700” folder). • the usb flash drive must have been formatted by the ic-7700. W insert t...

  • Page 223

    16-5 !3 after the firmware loading is completed, the trans- ceiver starts the update automatically and the dia- log at left is displayed. Rwarning! Never turn the ic-7700 power off at this stage. The transceiver firmware will be corrupted. !4 when the dialog disappears, the precaution at left is dis...

  • Page 224: Firmware Update — Pc

    16-6 ■ firmware update — pc d connections connect the ic-7700 and the pc through a lan (local area network) as follows. *purchased separately to wan /internet network ethernet cable* (patch cable) to crossover port • ip address setting example hub/router* ic-7700 (192.168.0.10) pc1 (192.168.0.11) pc...

  • Page 225

    16-7 d ip address setting when updating the firmware from the usb flash drive, the following settings are not necessary. Important! A fixed (static) ip address is used for the ic-7700. When you connect the ic-7700 to a lan, ask the network manager about a usable/assignable ip address and the subnet ...

  • Page 226: Firm Utility

    16-8 d updating from a pc q start up the ic-7700 firm utility. • the window as at left appears. W read the caution in the window carefully. E click [yes] if you agree and continue the firmware updating. R select the firmware file, that has “dat” extension (example: 7700_200.Dat) . • click […], then ...

  • Page 227

    16-9 o the screen as at left is displayed. • the following dialog appears in the ic-7700 display. Rwarning! Never turn the ic-7700 power off at this stage. The transceiver firmware will be corrupted. !0 click [ok] to finish the firmware update. • the “firmware updating” dialog as above disap- pears....

  • Page 229: Installation Notes

    Installation notes for amateur base station installations it is recom- mended that the clearance in front of the antenna array is calculated relative to the eirp (effective iso- tropic radiated power). The clearance height below the antenna array can be determined in most cases from the rf power at ...

  • Page 230: Declaration

    About ce declaration of conformity we icom inc. Japan 1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan kind of equipment: type-designation: signature authorized representative name place and date of issue version (where applicable): y. Furukawa general manager icom (europe) gmbh communication eq...

  • Page 231

    Please record the serial number of your ic-7700 transceiver below for future servicing reference: serial number : date of purchase : place where purchased :.

  • Page 232

    1-1-32 kamiminami, hirano-ku, osaka 547-0003, japan ■ at ■ be ■ cy ■ cz ■ dk ■ ee ■ fi ■ fr ■ de ■ gr ■ hu ■ ie ■ it ■ lv ■ lt ■ lu ■ mt ■ nl ■ pl ■ pt ■ sk ■ si ■ es ■ se ■ gb ■ is ■ li ■ no ■ ch ■ bg ■ ro ■ tr ■ hr ■ at ■ be ■ cy ■ cz ■ dk ■ ee ■ fi ■ fr ■ de ■ gr ■ hu ■ ie ■ it ■ lv ■ lt ■ lu ■ m...