- DL manuals
- Icom
- Transceiver
- IC-7700
- Instruction Manual
Icom IC-7700 Instruction Manual
Summary of IC-7700
Page 1
Hf/50 mhz transceiver i7700 instruction manual a-6937h-1ex- r printed in japan © 2011–2013 icom inc..
Page 2: 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 ■ about digital voice recorder .............................................................. 7-2 ■ recording a received audio .............................................................. 7-3 d basic recording ........................................................
Page 9
Viii ■ setting select memory channels ...................................................... 9-7 d setting in scan screen .................................................................. 9-7 d setting in memory list screen ....................................................... 9-7 d erasing the s...
Page 10
■ fuse replacement ........................................................................... 13-7 ■ resetting the cpu .......................................................................... 13-7 ■ about protection indications ........................................................... 13-8 ■ sc...
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. ➥ push and hold for 1 sec. To turn the transceiver power off. • the [power] indicator lights orange when the transceiver is off when the internal power s...
Page 13
1-3 u microphone connector [mic] accepts an optional microphone. • see p. 15-4 for appropriate microphones. • see p. 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 inde...
Page 14: Front Panel (Continued)
1-4 !7 noise reduction level control [nr] (inner control; p. 5-17) 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. 5-16) adjust the noise blanker threshol...
Page 15
1-5 @3 rf gain control [rf] (outer control; p. 3-9) adjusts the rf gain level. While rotating the rf gain control, you may hear noise. This comes from the dsp unit and does not indicate a malfunction. @4 noise blanker switch nb (p. 5-16) ➥ switches the noise blanker on or off when pushed. The noise ...
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. 5-11) • in the fm mode, only “fast” is available. ➥ selects the agc set mode when pushed and held for 1 sec. (p. 5-11) the agc time constant can be set between 0.1 and 8.0 sec. (depending...
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. 5-12) adjusts the receiver’s if filter “passband width” via the dsp. • passband width and shift frequency are displayed in the multi-function display. • push and hold pbt-clr for 1 sec. To clear the pbt settings. • the pbt is adjustable in 50 hz steps ...
Page 21
1-11 ^5 manual notch filter control [notch] (outer control; p. 5-18) 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 connec- tor. 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 (pgs. 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. 5-12) shows the shift frequency of the if filter. E band width ind...
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 p. 12-3 for set mode arrangement. • spectrum scope screen (p. 5-2) • voice recorder scree...
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 p. Iii of this manual. ■ main dial attachment the main di...
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 ac- tiv...
Page 36: Microphones
■ 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. ■ microphones (options) q ptt switch push and hold to tran...
Page 37
2-11 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. • 3 different frequencies can be selected on each band with the band key. W rotate the main dial to set the desired f...
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...
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 push and hold [ts] for 1 sec. 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 whe...
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 available 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 push and hold [meter] for 1 sec. To turn the multi- function digital meter on. W push [p-hold] f-1 to toggle the peak level hold f...
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. • push and hold [comp] (mf6) for 1 sec. To select the compression bandwidth from wide, middle and nar- row. • vox (voice operated transmit) (p. 6-2) ➥ push vox to turn the vox funct...
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 ...
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 this item selects the keyer type for [elec-key] con- nector on the front panel. • elec-key, bug-key and straight key can be se- lected. (default: elec-key) keyer type ele-key this item allows you to set the microphone [up]/[dn] keys to be used...
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), rtty operation can be per- formed without an external rtty terminal, tnc or pc. If you would rather use your rtty terminal or tnc, consult the manual ...
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, push and hold rtty/psk for 1 sec. To toggle between rtty and rtty-r modes. • “rtty” or “rtty-r” appears. E push [decode] f-3 to display the decod...
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 explicitly inserts the figs character even though it is not required by the receiving station. • on : inserts figs. • off : does not insert figs. Rtty tx usos on turn the time stamp (date, transmission or reception time) indication on or...
Page 72
4-20 d data saving the contents of the rtty memory and received sig- nal can be saved into usb-memory. 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. • file ...
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, push and hold rtty/psk for 1 sec. To toggle between psk and psk-r modes. • “psk” or “psk-r” appears. E push [decode] f-3 to display the decode scree...
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 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. • off : no operating frequency d...
Page 80
4-28 d data saving the contents of the psk memory and received signal can be saved into usb-memory. 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 name: z pus...
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 push and hol...
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 amtor or packet with your tnc and/or pc software, 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 desired band. E push ssb or am...
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. E 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. (pgs. 5-2, 5-3) w push m.Scope to to...
Page 93
Select the sweep speed for the ±5 khz span selec- tion from slow, mid and fast. Note: signals may be displayed incorrectly with “fast” setting. ( ± 5k) mid select the sweep speed for the ±2.5 khz span selec- tion from slow, mid and fast. Note: signals may be displayed incorrectly with “fast” setting...
Page 94
5-6 d scope set mode (continued) 5 functions for receive select the sweep speed for the ±50 khz span selec- tion from slow, mid and fast. ( ± 50k) fast select the sweep speed for the ±100 khz span selection from slow, mid and fast. ( ± 100k) fast select the sweep speed for the ±250 khz span selectio...
Page 95
Set the scope edge frequencies for fixed mode scope when the 22 to 26 mhz band is selected. • set the frequencies within 22.000 to 26.000 mhz range in 1 khz steps. As edge frequencies are set, the other edge frequency will be automatically set for a display band width of 5 khz to a maximum of 500 kh...
Page 96
Set the scope edge frequencies for fixed mode scope when the 45 to 60 mhz band is selected. • set the frequencies within 45.000 to 60.000 mhz range in 1 khz steps. As edge frequencies are set, the other edge frequency will be automatically set for a display band width of 5 khz to a maximum of 500 kh...
Page 97: Preamplifier
5-9 ■ 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. ➥ push and hold [p.Amp] (m...
Page 98: Rit Function
5-10 ■ 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 function on and off. • “ rit ”...
Page 99: Agc Function
5-11 ■ 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 ...
Page 100: Twin Pbt Operation
5-12 ■ 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 the if pass- band center...
Page 101: If Filter Selection
5-13 ■ if filter selection the transceiver has 3 passband width if filters for each mode. For ssb, cw and psk modes, the passband width can be set within 50 to 3600 hz in 50 or 100 hz steps. A total of 41 passband widths are available. For rtty mode, the passband width can be set within 50 to 2700 h...
Page 102
5-14 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 push and hold filter for 1 sec. To enter filter set screen. W select any mode except fm. E push [roofing] f-6 to...
Page 103
Select the filter shape for cw mode in 50 mhz band. The set filter shape is automatically used only when the if filter is set to 600 hz or wider. Cw (600hz – ) sharp select the filter shape for cw mode in 50 mhz band. The set filter shape is automatically used only when the if filter is set to 500 h...
Page 104: Noise Blanker
■ 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] control to adjust the noise blank...
Page 105: Noise Reduction
5-17 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 106: Notch Function
■ 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 auto notch can be used in ssb...
Page 107: Autotune Function
5-19 5 functions for receive ■ autotune function the automatic tuning function tunes the displayed frequency (max. Cw: ±500 hz, am: ±5 khz) automati- cally when an off-frequency signal is received. This function is active while in cw or am mode is selected. ➥ push [autotune] to toggle the autotune f...
Page 109: 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 110: Vox Function
Set the vox voice delay to prevent clipping of the first few syllables of a transmission when switching to transmit. Short, mid., long and off settings are available. When using the vox voice delay, turn the tx monitor function off to prevent transmitted audio from be echoed. Vox voice delay off 6-2...
Page 111: 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 112: 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, push and hold clear fo...
Page 113: (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, push and hold [comp] (mf6) for 1 sec. Several times to select the desired transmit filter width from wide, middle and narrow. • th...
Page 114: Split Frequency Operation
• the split frequency operation is ready • when the split function on • when [xfc] is pushed 6-6 ■ 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...
Page 115: 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 push and hold the split switch for 1 sec., split frequency operation is turned on and the transmit frequency is equalized to the received fre- quency. This shortens the tim...
Page 117: Voice Recorder Functions
7-1 voice recorder functions section 7 ■ about digital voice recorder .............................................................. 7-2 ■ recording a received audio ............................................................... 7-3 d basic recording ...................................................
Page 118: About Digital Voice Recorder
7-2 ■ 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 sec. Can be re- corded into receive memory (total message length for all channels of up to 209 sec.) and a total message len...
Page 119: Recording A Received Audio
7-3 ■ recording a received audio up to 20 receive voice memories are available in the ic-7700. A total of 209 sec. Of audio can be recorded in receive messages. However, the maximum recordable length of a single message is 30 sec. This voice recorder records not only the received audio, but also the...
Page 120: Playing The Recorded Audio
7-4 ■ playing the recorded audio d basic playing q push exit/set several times to close a multi-func- tion screen, if necessary. W push [voice] f-2 to call up the voice recorder screen. • previously selected screen, tx or rx memory, is dis- played. If the tx memory message (t1–t4) appears, push [t/r...
Page 121
7-5 ■ protect the recorded contents the protect function is available to protect the recorded contents from accidental erasure, such as over-writing, etc. Q call up the voice recorder screen, rx memory. W push [ y ] f-1 or [ z ] f-2 to select the desired voice message. E push [protect] f-4 to turn t...
Page 122
7-6 ■ 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 a total message length of up to 99 sec. Can be recorded. D recording q push...
Page 124: Sending A Recorded Message
7-8 ■ sending a recorded message 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 call up the voice recorder screen. • if the receive voice message appears, push [t/r] f-7 to select tx message (t1–t4...
Page 125: Voice Set Mode
7-9 ■ voice set mode sets the automatic monitor function, short play and normal recording times for voice recorder. Q push exit/set several times to close a multi-func- tion screen, if necessary. W push [voice] f-2 to call up the voice recorder screen. E push exit/set to select voice recorder menu. ...
Page 126
7-10 ■ saving a voice message into the usb-memory d saving the received audio memory the recorded rx memory contents can be saved into the usb-memory. Q during voice recorder rx memory screen display, push [save] f-6 to select voice file save screen. • previously selected screen, tx or rx memory, is...
Page 127: Memory Operation
8-1 memory operation section 8 ■ memory channels ............................................................................. 8-2 ■ memory channel selection ................................................................ 8-2 d using the ∫ / √ keys .....................................................
Page 128: 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 129: 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 130: 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 131: 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 133: 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 135: Scans
9-1 scans section 9 ■ scan types ........................................................................................ 9-2 ■ preparation ....................................................................................... 9-2 ■ voice squelch control function ......................................
Page 136: 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 137: 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 138: 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 139: Fine Programmed Scan/fine
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 scre...
Page 140: 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 141
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 142: 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 143: 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 144
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 ban...
Page 145: 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 push and hold [ant] (mf1) for 1 sec. To select an- tenna set screen. E select the desired frequency band with a band...
Page 146
10-4 ■ 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...
Page 147
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 148: 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 149
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 “push and hold tuner ” operation and activates for the first...
Page 151: Clock And Timers
11-1 clock and timers section 11 ■ time set mode ................................................................................ 11-2 ■ daily timer setting ........................................................................... 11-3 ■ setting sleep timer ...........................................
Page 152: Time Set Mode
11-2 ■ time set mode the ic-7700 has a built-in calendar and 24-hour clock (accuracy ±75 sec. 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 to s...
Page 153: 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 push and hold timer for 1 sec. To select timer set screen. E push o...
Page 154: 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 min. In 5 min. Steps. The sleep timer function counts the ‘minute’ units, and does not count the ‘second’ units. For example, when the sleep timer is...
Page 155: Set Mode
12-1 set mode section 12 ■ set mode description ...................................................................... 12-2 d set mode operation .................................................................... 12-2 d screen arrangement ...............................................................
Page 156: 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 157
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. 12-9) • others set mode (p. 12-12) • usb-memory set menu (p. 12-19) 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 158: Level Set Mode
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 fm mode. (default: off) note: when this setting is active, below 2 items will be reset to default value, ‘0.’ fm rx hpf/lpf – – – – – – – sets the high-pass filter (100 hz to 20...
Page 159: Level Set Mode
12-5 12 set mode ■ level set mode (continued) sets the bass level of the transmit audio tone in ssb mode from –5 to +5. (default: 0) ssb tx tone (bass) 0 sets the treble level of the transmit audio tone in ssb mode from –5 to +5. (default: 0) tone (treble) 0 sets the bass level of the transmit audio...
Page 160: Level Set Mode
■ level set mode (continued) 12-6 12 set mode sets the voice synthesizer audio output level from 0 to 100% in 1% steps. (default: 50%) speech level 50% sets the side tone output level from 0 to 100% in 1% steps. (default: 50%) side tone level 50% turns the side tone output level limiting capability ...
Page 161: Acc Set Mode
■ acc set mode 12-7 12 set mode sets the desired audio output level, output from [acc1], within 0 to 100% in 1% steps. • outputs approx. 200 mv at 50% (default) setting. Acc af output level 50% sets the desired output level of [s/p dif], within 0 to 100% in 1% steps. (default: 100%) s/pdif output le...
Page 162: Acc Set Mode
12-8 12 set mode ■ acc set mode (continued) selects the switching relay type for [relay] from lead and mosfet. Select the suitable relay type when connecting a non-icom linear amplifier. • lead : use mechanical relay. (16 v dc/0.5 a max.; default) • mos-fet : use semiconductor type relay. (250 v/200...
Page 163: Acc Set Mode
Adjusts the internal reference signal frequency within 0 to 100% range in 1% steps during frequency cali- bration. Note: default setting is different for each trans- ceiver. Ref adjust 50% selects the transceiver’s reference signal condition from in, off and out. • in : use an external reference sig...
Page 164: Display Set Mode
12-10 12 set mode ■ display set mode (continued) selects the desired s/rf meter type during normal screen display from standard, edgewise and bar. (default: standard) meter type (normal screen) standard selects the desired s/rf meter type during wide screen or mini scope display from edgewise and ba...
Page 165: Display Set Mode
12-11 12 set mode select “on” when the external display is connected. (default: off) • at least 800 × 600 pixel resolution is required for the dis- play. External display off selects the suitable pulse level for the connected ex- ternal display from h and l. (default: h) external display sync pulse ...
Page 166: Others Set Mode
This item is used for a simple frequency check of the transceiver. (default: off) see p. 13-5 for calibration procedure. Note: turn the calibration marker off after checking the frequency of the transceiver. Calibration marker off 12-12 12 set mode ■ others set mode a beep sounds each time a switch ...
Page 167: Others Set Mode
12-13 12 set mode ■ others set mode (continued) sets the offset (difference between transmit and re- ceive frequencies) for the quick split function. This setting is used for hf bands in fm mode only and is used to input the repeater offset for an hf band. The offset frequency can be set from –9.999...
Page 168: Others Set Mode
12-14 12 set mode selects the transverter operation condition from auto and on. (default: auto) • on : turn the transverter operation on. • auto : the transceiver turns into transverter opera- tion condition when 2 to 13.8 v dc is applied to [acc2] pin 6. Transverter function auto sets the desired o...
Page 169: Others Set Mode
12-15 12 set mode ■ others set mode (continued) sets the auto tuning step function for the main dial. When rotating the main dial rapidly, the tuning step automatically changes several times as selected. There are 2 type of auto tuning steps: high (fastest) and low (faster). (default: high) • high :...
Page 170: Others Set Mode
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 of frequency shift may differ accord- ing to the...
Page 171: Others Set Mode
12-17 12 set mode ■ others set mode (continued) transceive operation is possible with the ic-7700 con- nected to other icom hf transceivers or receivers. When “on” is selected, changing the frequency, operating mode, etc. On the ic-7700 automatically changes those of connected transceivers (or recei...
Page 172: Others Set Mode
12-18 12 set mode ■ others set mode (continued) select [rs-232c] connector output data format from ci-v and decode. • ci-v : outputs data in ci-v format. (default) • decode : outputs decoded contents in ascii code format. Rs–232c function ci–v selects data transmission speed (baud rate) when “decode...
Page 173: Usb-Memory Set Menu
12-19 12 set mode ■ usb-memory set menu d usb-memory set screen arrangement • usb-memory set menu • setting load screen (p. 12-23) • load option set mode (p. 12-21) • firmware update (p. 16-4) • format menu (p. 12-26) • setting save screen (p. 12-22) • save option set mode (p. 12-20) f-1 f-2 f-3 f-4...
Page 174
D save option set mode 12-20 12 set mode selects file save condition from all and select. (default: all) • all : saves all the following contents. • select : saves the selected contents only. Save contents all this setting is fixed “yes.” • yes : saves memory channel contents and set- tings of set m...
Page 175
12-21 12 set mode d load option set mode 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. Load contents select selects the antenna memory setting loading condi- tion from yes an...
Page 176: File Saving
12-22 12 set mode ■ file saving memory channel contents, set mode settings, etc. Can be saved into the usb-memory 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 conditions...
Page 177: File Loading
12-23 12 set mode ■ file loading by loading the saved setting file from the usb- memory, you can easily set up another ic-7700—sev- eral operators settings can easily be applied to one ic-7700. Q during set mode menu screen display, push [usb] f-7 to select usb set menu screen. W push [load] f-1 to ...
Page 178: Changing A File Name
■ changing a file name the file name, saved in the usb-memory, 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 179: Deleting A File
12-25 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 t...
Page 180: Formatting The Usb-Memory
12-26 12 set mode ■ formatting the usb-memory saved data in the usb-memory can be erased. Important! Formatting erases all saved data in the usb-memory. Making a backup file on your pc is recommended. Q during usb-memory set menu display, push and hold [format] f-4 for 1 sec. • confirmation screen a...
Page 181: Maintenance
13-1 maintenance section 13 ■ troubleshooting .............................................................................. 13-2 d transceiver power ....................................................................... 13-2 d transmit and receive .....................................................
Page 182: 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 183: Main Dial Brake Adjustment
13-3 d scanning d display d format usb-memory 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 edge me...
Page 184: 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 push and hold [meter] for 1 sec. To display multi- function meter. E push rtty/psk once or twice to select rtty mode. R push transmit . T rotate [rf pwr] clockw...
Page 185: 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 186
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. R warning! Disconnect the ac power cable from the transceiver before performing any work on the transceiver. Otherwise, there is danger of elec- tri...
Page 187: 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 188: 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 189: 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 190: Ci-V Connection Example
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 191: Command Table
14-3 d command table 14 control command cmd. Sub cmd. Data description 00 see p. 14-9 send frequency data for transceive 01 see p. 14-9 send mode data for transceive 02 see p. 14-11 read band edge frequencies 03 see p. 14-9 read operating frequency 04 see p. 14-9 read operating mode 05 see p. 14-9 s...
Page 192
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 193
14-5 d command table (continued) 14 control command cmd. Sub cmd. Data description 1a 05 0005 00 to 10 send/read am rx tone (bass) level (00 =–5 to 10=+5) 0006 00 to 10 send/read am rx tone (treble) level (00=–5 to 10=+5) 0007 see p. 12-4 send/read fm rx hpf/lpf (hpf: 00=through, 01=100 to 20=2000, ...
Page 194
14-6 d command table (continued) 14 control command cmd. Sub cmd. Data description 1a 05 0060 00/01 send/read clock2 function (00=off, 01=on) 0061 see p. 14-10 send/read offset time for clock2 (240001=–24:00 to 240000=+24:00) 0062 see p. 14-10 send/read clock2 name (up to 3-character) 0063 00/01 sen...
Page 195
14-7 d command table (continued) 14 control command cmd. Sub cmd. Data description 1a 05 0118 see p. 14-11 send/read scope edge frequencies for 6.00 to 8.00 mhz band 0119 see p. 14-11 send/read scope edge frequencies for 8.00 to 11.00 mhz band 0120 see p. 14-11 send/read scope edge frequencies for 1...
Page 196
14-8 14 control command d command table (continued) cmd. Sub cmd. Data description 1a 05 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=tx/rx) 0181 00 to 02 send/read usage ...
Page 197
14-9 14 control command d data contents description • operating frequency command : 00, 03, 05 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 ...
Page 198
14-10 14 control command • clock 2 offset time setting command : 1a 05 0061 x shift direction 00: + (plus) 01: − (minus) offset time 0000−2400 x x x xx • 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 di...
Page 199
14-11 14 control command • bandscope edge frequency setting command : 1a 05 0115, 0116, 0117, 0118, 0119, 0120, 0121, 0122, 0123, 0124, 0125, 0126 1 khz: 0–9 100 hz: 0 (fix ed) 100 khz: 0–9 10 khz: 0–9 10 mhz: 0–6 1 mhz: 0–9 1 khz: 0–9 100 hz: 0 (fix ed) 100 khz: 0–9 10 khz: 0–9 10 mhz: 0–6 1 mhz: 0...
Page 200
14-12 14 control command 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 data e to @7 . This completes the memory cl...
Page 201: Specifications And Options
15-1 specifications and options section 15 ■ specifications ................................................................................. 15-2 d general ....................................................................................... 15-2 d transmitter .......................................
Page 202: 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 , 5.332000* 3 , 5.348000* 3 , 5.358500* 3 , 5.373000* 3 , 5.405000* 3 , 7.000000–7.300000* 2 , 10.100000–10.150000* 2 , 14.000000–14.350000* 2 , 1...
Page 203
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 204: 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 205: Updating The Firmware
16-1 updating the firmware section 16 ■ general ........................................................................................... 16-2 ■ caution ........................................................................................... 16-2 ■ preparation .....................................
Page 206: 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-memory, and the other uses a pc. You can choose either m...
Page 207: 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-memory when...
Page 208
16-4 ■ firmware update— usb-memory when updating the firmware with the usb-memory, no ip address or subnet mask settings are necessary. Q copy the downloaded firmware data into the usb- memory (“ic-7700” folder). • the usb-memory must have been formatted by the ic-7700. W insert the usb-memory into ...
Page 209
16-5 !3 after the firmware loading is completed, the trans- ceiver starts the update automatically and the dia- log at left is displayed. R warning! 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 di...
Page 210: 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 (192.168.100.13) pc1 (192....
Page 211
16-7 d ip address setting when updating the firmware from the usb-memory, 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 mask ...
Page 212: 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 (e.G.: 7700_110.Dat) . • click […], then sel...
Page 213
16-9 o the screen as at left is displayed. • the following dialog appears in the ic-7700 display. R warning! 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 215: 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 216: 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 217
Please record the serial number of your ic-7700 transceiver below for future servicing reference: serial number : date of purchase : place where purchased :.
Page 218
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...