1. DL manuals
  2. Icom
  3. Transceiver
  4. IC-7800
  5. Instruction Manual

Icom IC-7800 Instruction Manual

Summary of IC-7800

  • Page 1

    The transceiver i7800 instruction manual a-6328h-1ex- u printed in japan © 2004–2006 icom inc..

  • Page 2: Features

    I foreword congratulations! You are the owner of the world’s most advanced amateur hf/50 mhz transceiver— ic-7800. The ic-7800 is designed and built with icom’s superior technology and craftsmanship. With proper care, this prod- uct should provide you with years of trouble-free operation. We would l...

  • Page 3

    Ii precautions r warning 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 agai...

  • Page 4

    Q ac power cable* ………………………………… 1 w antenna jumper cables …………………………… 2 e rack mounting handles ……………………… 1 pair r screws for rack mounting handles ………… 1 set t cf (compact flash) memory card ……………… 1 y stands ………………………………………… 1 pair u spare fuse (fgb 2 a) …………………………… 1 i rca plugs ………………………………………… ...

  • Page 5

    Iv d rear panel—2 ……………………………………………………… 2-6 ■ linear amplifier connections …………………………………………… 2-7 d connecting the ic-pw1/euro …………………………………… 2-7 d connecting a non-icom linear amplifier …………………………… 2-7 ■ transverter jack information …………………………………………… 2-8 ■ fsk and afsk (sstv) connections ……………………………...

  • Page 6

    D memory keyer screen …………………………………………………4-8 d editing a memory keyer ………………………………………………4-9 d contest number set mode …………………………………………4-10 d keyer set mode ………………………………………………………4-11 ■ operating rtty (fsk) ……………………………………………… 4-13 d convenient functions for receive …………………………………4-14 d about rtty rever...

  • Page 7

    Vi d dsp filter shape …………………………………………………… 5-14 d filter shape set mode ……………………………………………… 5-14 ■ dualwatch operation ………………………………………………… 5-16 ■ noise blanker ………………………………………………………… 5-17 d nb set mode ………………………………………………………… 5-17 ■ noise reduction ………………………………………………………… 5-18 ■ dial lock function …………...

  • Page 8

    ■ memory channel programming ……………………………………… 8-4 d programming in vfo mode ………………………………………… 8-4 d programming in memory mode …………………………………… 8-4 ■ frequency transferring ………………………………………………… 8-5 d transferring in vfo mode ………………………………………… 8-5 d transferring in memory mode ……………………………………… 8-5 ■ memory ...

  • Page 9

    Viii d load option set mode …………………………………………… 12-24 ■ file saving …………………………………………………………… 12-25 ■ file loading …………………………………………………………… 12-26 ■ changing the file name ……………………………………………… 12-27 ■ deleting a file ………………………………………………………… 12-28 ■ formatting the cf card ……………………………………………… 12-28 section 13 m...

  • Page 10

    Section 16 updating the firmware ■ general ………………………………………………………………… 16-2 ■ caution ………………………………………………………………… 16-2 ■ preparation …………………………………………………………… 16-3 d firmware and firm utility …………………………………………… 16-3 d file downloading …………………………………………………… 16-3 ■ firmware update— cf memory card ………………………………...

  • Page 11: Panel Description

    1-1 panel description section 1 ■ front panel ……………………………………………………………… 1-2 ■ rear panel ……………………………………………………………… 1-12 ■ lcd display …………………………………………………………… 1-14 ■ screen menu arrangement …………………………………………… 1-15.

  • Page 12: Front Panel

    1-2 ■ front panel 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 for 1 sec. To turn the transceiver power off. • the [power] indicator lights orange when the trans- ceiver is off when the interna...

  • Page 13

    1-3 i rf power control [rf pwr] (p. 3-12) continuously varies the rf output power from min- imum (5 w*) to maximum (200 w*) . *am mode: 5 w to 50 w o mic gain control [mic] adjusts microphone input gain. • the transmit audio tone in ssb, am and fm modes can be adjusted independently in set mode. (p....

  • Page 14: Front Panel (Continued)

    1-4 ■ front panel (continued) !9 agc control [agc] (for main band; p. 5-11) @0 agc control [agc] (for sub band; p. 5-11) adjusts the continuously-variable agc circuit time constant. • to use [agc] control, push the appropriate band’s [agc vr] ([agc vr] indicator lights). @1 agc volume switch [agc vr...

  • Page 15

    1-5 @9 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. ➥ selects the antenna connector from ant1, ant2, ant3 and ant4 when pushed. (p. 10-2) ➥ displays antenna selection memory wh...

  • Page 16: Front Panel (Continued)

    1-6 ■ front panel (continued) #5 noise reduction switch [nr] (for main band; p. 5-18) #6 noise reduction switch [nr] (for sub band; p. 5-18) push to switch the dsp noise reduction on and off. • the [nr] indicator above this switch lights green when the function is activated. #7 noise reduction level...

  • Page 17

    1-7 $9 memory up/down switches [ y y ]/[ z z ] (p. 8-2) push to select the desired memory channel. • memory channels can be selected both in vfo and memory modes. %0 lcd function switches [f-1]–[f-7] push to select the function indicated in the lcd dis- play above these switches. • functions vary de...

  • Page 18: Front Panel (Continued)

    1-8 ■ front panel (continued) %7 memo pad-write switch [mp-w] (p. 8-7) programs the selected 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. 12-16) %8 vfo/memory switch [v/m...

  • Page 19

    1-9 ^6 notch switch [notch] (for sub band; p. 5-19) ^7 notch switch [notch] (for main band; p. 5-19) ➥ switches the notch function between auto, man- ual and off in ssb and am modes. ➥ turns the manual notch function on and off when pushed in cw, rtty and psk31 mode. ➥ turns the auto notch function ...

  • Page 20: Front Panel (Continued)

    1-10 ■ front panel (continued) *0 rit/ ∂ ∂ tx control [rit/ ∂ ∂ tx] (pgs. 5-10, 6-4) shifts the receive and/or transmit frequency without changing the transmit and/or receive frequency. • rotate the control clockwise to increase the frequency, or rotate the control counterclockwise to decrease the f...

  • Page 21

    1-11 *5 digital rf selector control [digi-sel] (for main band; p. 5-19) *6 digital rf selector control [digi-sel] (for sub band; p. 5-19) adjusts the digital rf selector center frequency. • the control can be reassigned as the audio peak filter adjustment (p. 12-18) *7 digital rf selector switch [di...

  • Page 22: Rear Panel

    1-12 ■ rear panel q antenna connector 1 [ant 1] (p. 2-4) w antenna connector 2 [ant 2] (p. 2-4) e antenna connector 3 [ant 3] (p. 2-4) r antenna connector 4 [ant 4] (p. 2-4) accept a 50 Ω antenna with a pl-259 plug connec- tor. T ground terminal [gnd] (p. 2-3) connect this terminal to a ground to pr...

  • Page 23

    1-13 !6 accessory socket 1 a [acc 1–a] !7 accessory socket 2 a [acc 2–a] !8 accessory socket 1 b [acc 1–b] !9 accessory socket 2 b [acc 2–b] enable connection of external equipment such as a linear amplifier, an automatic antenna selector/tuner, a tnc for data communications, etc. • see p. 2-10 for ...

  • Page 24: Lcd Display

    ■ lcd display q band width indicator (p. 5-12) shows the passband width of the if filter. W mode indicator shows the selected mode. E shift frequency indicator (p. 5-12) shows the shift frequency of the if filter. R quick tuning indicator (p. 3-6) appears when the quick tuning step function is in us...

  • Page 25: Screen Menu Arrangement

    1-15 ■ screen menu arrangement 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. 1 panel description • spectrum scope screen (p....

  • Page 26: Section

    2-1 installation and connections section 2 ■ unpacking ……………………………………………………………… 2-2 ■ antenna jumper cable connection …………………………………… 2-2 ■ selecting a location …………………………………………………… 2-2 ■ rack mounting handle attachment …………………………………… 2-2 ■ grounding ……………………………………………………………… 2-3 ■ antenna connection ...

  • Page 27: 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-7800, see ‘supplied acces- sories’ on p. Iii of this manual. ■ antenna jumper cable connection ...

  • Page 28: Grounding

    2-3 ■ 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 earth-sunk copper rod. Make the distanc...

  • Page 29: Required Connections

    2-4 ■ required connections d d front panel d d rear panel main sub acc 1 acc 2 acc 1 acc 2 alc adj alc relay key ext keypad meter dc out 15v max1a ref i/o 10mhz -10dbm in out remote rs-232c key board ext-display a b s/p dif ext-sp ant 1 ant 2 ant 3 ant 4 gnd ac i x-verter a in rx ant b rx ant out in...

  • Page 30: Advanced Connections

    2-5 ■ advanced connections d d front panel d d rear panel— 1 main sub acc 1 acc 2 acc 1 acc 2 alc adj alc relay key ext keypad meter dc out 15v max1a ref i/o 10mhz -10dbm in out remote rs-232c key board ext-display a b s/p dif ext-sp ant 1 ant 2 ant 3 ant 4 gnd ac i x-verter a in rx ant b rx ant out...

  • Page 31

    2-6 d d rear panel— 2 main sub acc 1 acc 2 acc 1 acc 2 alc adj alc relay key ext keypad meter dc out 15v max1a ref i/o 10mhz -10dbm in out remote rs-232c key board ext-display a b s/p did ext-sp ant 1 ant 2 ant 3 ant 4 gnd ac i x-verter a in rx ant b rx ant out in out external display connects a pc-...

  • Page 32: Linear Amplifier Connections

    2-7 ■ linear amplifier connections d d connecting the ic-pw1/euro d d connecting a non-icom linear amplifier r warning: set the transceiver output power and linear ampli- fier alc output level referring to the linear amplifier instruction manual. The alc input level must be in the range 0 v to –4 v,...

  • Page 33: Transverter Jack Information

    2-8 ■ 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 opera- tion and the antenna connectors do not receive or transmit any signals. (p. 4-6) while receiving, [x-verter] connector can be acti- vated as an input term...

  • Page 34: Microphones

    2-9 ■ microphone connector information (front panel view) caution: do not short pin 2 to ground as this can damage the internal 8 v regulator. Note: dc voltage is applied to pin 1 for micro- phone operation. Take care when using a non-icom microphone. ■ microphones (options) q up/down switches [up]/...

  • Page 35

    2-10 ■ accessory connector information 2 installation and connections acc 2 pin no. Name description specifications acc 1 pin no. Name description specifications note: if the cw side tone level limit or beep level limit is in use, the cw side tone or beep tone de- creases from the fixed level when t...

  • Page 36: Basic Operations

    3-1 basic operations section 3 ■ when first applying power (cpu resetting) ………………………… 3-2 ■ initial settings …………………………………………………………… 3-2 ■ main/sub band selection ……………………………………………… 3-3 ■ selecting vfo/memory mode ………………………………………… 3-3 ■ selecting an operating band …………………………………………… 3-4 d using the b...

  • Page 37: 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 follow- ing procedure. Resetting clears all programmed contents in memory channels and returns...

  • Page 38: Main/sub Band Selection

    ■ main/sub band selection the ic-7800 has 2 identical receivers, main and sub. The main band is displayed on the left hand side, and the sub band is displayed on the right hand side of the lcd. Some functions can only be applied to the se- lected band and transmission occurs on the main band (except...

  • Page 39: 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. If a band key is pushed once, the frequency and oper- ating mode last used are called up. When the key is pushed again, another stored frequency and op...

  • Page 40: Frequency Setting

    3-5 ■ frequency setting the transceiver has several tuning methods for conve- nient frequency tuning. D 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. • push [main] or [sub] to select the band...

  • Page 41

    3-6 d d quick tuning step the operating frequency can be changed in khz 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 on. W rotate the main dial to change the frequency in pro...

  • Page 42

    3-7 d d selecting 1 hz step the minimum tuning step of 1 hz can be used for fine tuning. Q push [ts] to turn the quick tuning function off. W push [ts] for 1 sec. To turn the 1 hz tuning step on and off. Note: 1 hz tuning step activates for both main and sub bands simultaneously. Therefore, either [...

  • Page 43: 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-7800. Select the desired operation mode as follows. To select a mode of operation, push ...

  • Page 44: Volume Setting

    3-9 ■ volume setting ➥ rotate [af] control clockwise to increase, counter- clockwise to decrease the audio output level. • set a suitable audio level. ■ rf gain adjustment ➥ rotate [rf] control clockwise to increase, counter- clockwise to decrease the receiver sensitivity. ■ squelch level adjustment...

  • Page 45: Meter Indication Selection

    ■ meter indication selection the s/rf meter indication, during transmit, can be se- lected from the following items as you desire. ➥ push [meter] several times to select the desired item. Indicates the rf output power in watts. Indicates the vswr on the transmission line. Indicates the alc level. Th...

  • Page 46

    3-11 d d meter type selection a total of 3 meter types are available in the ic-7800— 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 [f-7•set], then push [f-3•display] to...

  • Page 47: Basic Transmit Operation

    3-12 ■ basic transmit operation d d transmitting before transmitting, monitor your selected operating frequency to make sure transmitting won’t cause inter- ference to other stations on the same frequency. Q push [transmit] or [ptt] (microphone) to trans- mit. • the main band’s [tx] indicator lights...

  • Page 48

    3-13 d d drive gain adjustment the drive gain is active for all modes except ssb with- out speech compressor. The [drive] control adjusts the amplifying gain at the driver stage. Before transmitting, monitor your selected operating frequency to make sure transmitting won’t cause inter- ference to ot...

  • Page 49: 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 ……………………………………4-3 d about 5 mhz band operation (usa version only) …………………4-3 ■ operating cw …………………………………………………………… 4-4 d convenient ...

  • Page 50: 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 s...

  • Page 51

    D d convenient functions for transmit d d about 5 mhz band operation (usa version only) operation on the 5 mhz band is allowed on 5 discrete frequencies and must adhere to the following: • usb mode • maximum of 50 watts erp (effective radiated power) • 2.8 khz bandwidth it’s your responsibility to s...

  • Page 52: 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 specified signal’s tone to the side t...

  • Page 53

    4-5 d d convenient functions for transmit d 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...

  • Page 54

    4-6 d 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 miscellaneous (others) set mode...

  • Page 55: Electronic Keyer Functions

    4-7 ■ electronic keyer functions the ic-7800 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 [f-3•keyer] to select memory keyer screen. E push [exit/set] to select memory keyer menu screen....

  • Page 56

    4-8 d 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 q during cw mode operation, push [f-3•keyer] to select memory keyer screen. W push [transmit] to set the transceiver to trans- mit, or set th...

  • Page 57

    4-9 d 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 cw sentences, contest serial numbers, etc. Total capacity of the memory keyer is 70 charac- ters per memor...

  • Page 58

    4-10 d 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 [f-3•keyer] to select memory keyer screen. W push [exit•set] to select memory keyer menu, then push [f-3•001] to select contest serial ...

  • Page 59

    4-11 d 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 [f-3•keyer] to select memory keyer screen. W push [exit•set] to select memory keyer menu, then push [f-4•cw key]...

  • Page 60

    4-12 d d keyer set mode (continued) 4 receive and transmit this item sets the paddle polarity. • normal and reverse polarity can be selected. 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) th...

  • Page 61: Operating Rtty (Fsk)

    4-13 ■ operating rtty (fsk) a dsp-based high-quality baudot rtty encoder/de- coder is built-in to the ic-7800. When connecting a pc keyboard (p. 2-6), rtty operation can be performed without an external rtty terminal, tnc or pc. If you would rather use your rtty terminal or tnc, consult the manual t...

  • Page 62

    4-14 d d convenient functions for receive d 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 correc...

  • Page 63

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

  • Page 64

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

  • Page 65

    4-17 d 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 infor- mation. Total capacity of the memory is 70 characters per memory channel. • programming contents q during rtty mode op...

  • Page 66

    4-18 d 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 [f-3•decode] to select rtty decode screen. W push [f-1•] to select rtty decode menu 2, then push [f-6•set] to select rtty decode set m...

  • Page 67

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

  • Page 68

    4-20 d d data saving the contents of the rtty memory and received sig- nal can be saved into the cf memory card. Q during rtty decode screen indication, push [f-1•] to select rtty decode menu 2. W push [f-5•save] to select decode file save screen. E change the following conditions if desired. • file...

  • Page 69: Operating Psk

    4-21 ■ operating psk a high-quality dsp-based psk31 encoder/decoder is built-in to the ic-7800. When connecting a pc key- board (p. 2-6), psk31 operation can be performed without psk software installed on your pc. If desired, you can also use your psk software; con- sult the manual that comes with t...

  • Page 70

    4-22 d d convenient functions for receive d d about bpsk and qpsk mode 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...

  • Page 71

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

  • Page 72

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

  • Page 73

    4-25 d 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 [f-3•deco...

  • Page 74

    4-26 d d psk decode set mode this set mode is used to set the decode usos func- tion, time stamp setting, etc. • setting contents q during psk mode operation, push [f-3•decode] to select psk decode screen. W push [f-1•] to select psk decode menu 2, then push [f-6•set] to select psk decode set mode. ...

  • Page 75

    4-27 d 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 below left. • on : displays the operating frequency. • off : no operating frequency displ...

  • Page 76

    4-28 d d data saving the contents of the psk memory and received signal can be saved into the cf memory card. Q during psk decode screen indication, push [f-1•] to select psk decode menu 2. W push [f-5•save] to select decode file save screen. E change the following conditions if desired. • file name...

  • Page 77: 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 the desired frequency. • the s-meter indicates received signal streng...

  • Page 78

    4-30 d d convenient functions for transmit • vox (voice operated transmit) (p. 6-2) ➥ push [vox/bk-in] to turn the vox function on and off. • “vox” appears when the vox function is on. • transmit quality monitor (p. 6-4) ➥ push [moni] to turn the monitor function on and off. • rotate [moni gain] to ...

  • Page 79: 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 the desired frequency. • the s-meter indicates received signal streng...

  • Page 80: Repeater Operation

    4-32 ■ repeater operation a repeater amplifies received signals and retransmits them at a different frequency. When using a repeater, the transmit frequency is shifted from the receive fre- quency by an offset frequency. A repeater can be ac- cessed using split frequency operation with the shift fre...

  • Page 81: Tone Squelch Operation

    4-33 ■ tone squelch operation the tone squelch opens only when receiving a signal 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] to turn the tone squelch function on. • ...

  • Page 82: Data Mode (Afsk) Operation

    4-34 ■ 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. 2-8) w push a band key to select the desired band. E push [ssb] or [am/fm] to select the d...

  • Page 83: Functions For Receive

    5-1 functions for receive section 5 ■ spectrum scope screen ……………………………………………… 5-2 d center mode ………………………………………………………… 5-2 d fix mode ……………………………………………………………… 5-3 d mini scope screen indication ……………………………………… 5-4 d scope set mode ……………………………………………………… 5-4 ■ preamplifier ……………………………………………………………… 5-...

  • Page 84: Spectrum Scope Screen

    5-2 ■ spectrum scope screen this dsp-based spectrum scope allows you to display the conditions on the selected band, as well as relative strengths of signals. The ic-7800 has two modes for the spectrum indication— one is center mode, and an- ther one is fix mode. In addition, the ic-7800 has a mini ...

  • Page 85

    5-3 d d fix mode displays signals within the specified frequency range. The selected frequency band conditions can be ob- served at a glance when using this mode. Q push [exit/set] several times to close a multi- function screen, if necessary. W push [f-1•scope] to select the scope screen. E push [f...

  • Page 86

    5-4 d d mini scope screen indication the mini scope screen can be displayed with another screen display, such as set mode menu, decoder screen, memory list screen, etc. Simultaneously. Q set the scope mode (center or fix), marker, attenu- ator, span, etc. In advance. (pgs. 5-2, 5-3) w push [m.Scope]...

  • Page 87

    5-5 d d scope set mode (continued) 5 functions for receive turn the peak level holding function on and off. Select the center frequency of the spectrum scope indication (center mode only). • filter center : shows the selected filter’s center frequency at the center. • carrier point center : shows th...

  • Page 88

    5-6 d d scope set mode (continued) 5 functions for receive select the sweeping speed for the ±50 khz span selection from slow, mid and fast. Select the sweeping speed for the ±100 khz span selection from slow, mid and fast. Select the sweeping speed for the ±250 khz span selection from slow, mid and...

  • Page 89

    5-7 d d scope set mode (continued) 5 functions for receive set the scope edge frequencies for fix mode scope when 8 to 11 mhz band is selected. • set the frequencies within 8.000 to 11.000 mhz range in 1 khz steps. Up to 500 khz band width can be specified, so either edge frequency will be set to th...

  • Page 90

    5-8 d d scope set mode (continued) 5 functions for receive set the scope edge frequencies for fix mode scope when 30 to 45 mhz band is selected. • set the frequencies within 30.000 to 45.000 mhz range in 1 khz steps. Up to 500 khz band width can be specified, so either edge frequency will be set to ...

  • Page 91: 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 sig- nals. ➥ push [p.Amp] several times to set the preamp off, preamp 1 on or preamp 2 on. For all hf bands high-gain pre...

  • Page 92: Rit Function

    5-10 ■ rit function the rit (receive increment tuning) function com- pensates for off-frequencies of the communicating 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. • “ ” and ...

  • Page 93: 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 mode. The fm mode agc time constant is f...

  • Page 94: Twin Pbt Operation

    5-12 ■ twin pbt operation in general pbt (passband tuning) electronically nar- rows the if passband width by shifting the if fre- quency to slightly outside of the if filter passband to reject interference. The ic-7800 uses dsp for the pbt function. Moving both [twin pbt] controls to the same positi...

  • Page 95: 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 96

    5-14 d d roofing filter selection the ic-7800 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 [filter] for 1 sec. To enter filter set screen. W select any mode except fm. E push [f-6•roofing] to sele...

  • Page 97

    5-15 d d filter shape set mode (continued) 5 functions for receive select the filter shape for cw mode in hf bands. The set filter shape is automatically used only when the if filter is set to 500 hz or narrower. Select the filter shape for cw mode in hf bands. The set filter shape is automatically ...

  • Page 98: Dualwatch Operation

    5-16 ■ dualwatch operation dualwatch monitors 2 frequencies simultaneously. The ic-7800 has 2 independent receiver circuits so that you can use dualwatch with no compromises, even on different bands and modes. Q set the desired frequency and mode into the main band. W push [dualwatch]. • “ ” appears...

  • Page 99: Noise Blanker

    5-17 ■ 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 and off. • [nb] indicator above their switch lights green. W rotate [nb] control to adjust the no...

  • Page 100: Noise Reduction

    5-18 ■ noise reduction the noise reduction function reduces random noise components and enhances desired signals which are buried in noise. The dsp does the random noise re- duction function. Q push the [nr] to turn the noise reduction on. • [nr] indicator above their switch lights green. W rotate t...

  • Page 101: Notch Function

    5-19 ■ notch function this transceiver has auto and manual notch functions. The auto notch function uses dsp to automatically at- tenuates more than 3 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 not...

  • Page 102: 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 ………………………………………… 6-2 d vox set mode ……………………………………………………… 6-2 ■ break-in function ………………………………………………………… 6-3 d semi break-in operation ………………………...

  • Page 103: 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 d using the vox function q select a phone mode (ssb, am, fm). W push [vox/bk-in] to turn the vox function on or off. • “vox” appea...

  • Page 104: Break-In Function

    6-3 ■ break-in function the break-in function is used in cw mode to automat- ically toggle the transceiver between transmit and re- ceive when keying. The ic-7800 is capable for full break-in or semi break-in. D d semi break-in operation during semi break-in operation, the transceiver selects transm...

  • Page 105: 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 cancelling the 1 hz step readout) without moving the receive fre- quency. • see (3 on p. 1-11 for function description. Q push [ ∂ tx]. • “ ” appears. W rotate [rit/ ∂ tx]. E to res...

  • Page 106: (Ssb Only)

    6-5 ■ transmit filter width setting (ssb only) the transmit filter width for ssb mode can be selected from wide, middle and narrow. ➥ during usb or lsb mode selection, push [comp] for 1 sec. Several times to select the desired trans- mit filter width from wide, middle and narrow. • the filter functi...

  • Page 107: Split Frequency Operation

    6-6 ■ split frequency operation split frequency operation allows you to transmit and receive in the same mode on two different frequencies. The split frequency operation is performed using 2 fre- quencies on the main and sub readouts. The following is an example of setting 21.290 mhz for receiving a...

  • Page 108: 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 the [split] switch for 1 sec., split fre- quency operation is turned on, the sub readout is equalized to the main readout frequency and enters standby for transmit fre...

  • Page 109: 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 ……………………………………………………… 7-3 d one-touch recording ………………………………………………… 7-3 ■ playing the recorded audio …………………………………………… 7-4 d basic playing ...

  • Page 110: About Digital Voice Recorder

    7-2 ■ about digital voice recorder the ic-7800 has digital voice memories, up to 4 chan- nels for transmit, and up to 20 channels for receive. A maximum message length of 30 sec. Can be recorded into a receive channel (total message length for all channels of up to 209 sec.) and a total message leng...

  • Page 111: Recording A Received Audio

    7-3 ■ recording a received audio up to 20 channels of receive voice memories are available in the ic-7800. And the total audio length of up to 209 sec. Can be recorded in receive channels. However, the maximum recordable length into a single channel is 30 sec. This voice recorder records not only th...

  • Page 112: Playing The Recorded Audio

    7-4 ■ playing the recorded audio d d basic playing q push [exit/set] several times to close a multi-func- tion screen, if necessary. W push [f-2•voice] to call up the voice recorder screen. • previously selected screen, tx or rx memory, is dis- played. If the tx memory channel (t1–t4) appears, push ...

  • Page 113

    7-5 ■ protect the recorded contents the protect function is available to protect the recorded contents from accidental erasing, such as over-record, etc. Q call up the voice recorder screen, rx memory. W push [f-1• y ] or [f-2• z ] to select the desired voice memory. E push [f-4•protect] to turn the...

  • Page 114

    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-7800 has digital voice memories for transmis- sion, up to 4 channels and the total message length of up to 99 sec. Can be recorded. D d recording q ...

  • Page 116: 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 [f-2•voice] to call up the voice recorder screen. • if the receive voice memory channel appears, push [f-7•t/r] to select tx me...

  • Page 117: 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 [f-2•voice] to call up the voice recorder screen. E push [exit/set] to select voice recorder me...

  • Page 118

    7-10 ■ saving a voice memory into the cf memory card d d saving the received audio memory the recorded rx memory contents can be saved into the cf (compact flash) memory card. Q during voice recorder rx memory screen display, push [f-6•save] to select voice file save screen. • previously selected sc...

  • Page 119: Memory Operation

    8-1 memory operation section 8 ■ memory channels ……………………………………………………… 8-2 ■ memory channel selection …………………………………………… 8-2 d using the [ y ]/[ z ] keys ……………………………………………… 8-2 d using the keypad …………………………………………………… 8-2 ■ memory list screen ……………………………………………………… 8-3 d selecting a memory channel usin...

  • Page 120: 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 tunable which means the programmed frequency can be tuned temporarily with the main dial, etc. In memory mode. ■ memory channel select...

  • Page 121: Memory List Screen

    8-3 ■ memory list screen the memory list screen simultaneously shows 9 mem- ory channels and their programmed contents. 15 mem- ory channels can be displayed in the wide memory list screen. You can select a desired memory channel from mem- ory list screen. D d selecting a memory channel using the me...

  • Page 122: Memory Channel Programming

    8-4 ■ memory channel programming memory channel programming can be preformed ei- ther in vfo mode or in memory mode. D d programming in vfo mode q set the desired frequency, operating mode and fil- ter width in vfo mode. W push [ y ]/[ z ] several times to select the desired memory channel. • memory...

  • Page 123: Frequency Transferring

    8-5 ■ frequency transferring the frequency and operating mode in a memory chan- nel can be transferred to the vfo. Frequency transferring can be performed in either vfo mode or memory mode. D d transferring in vfo mode this is useful for transferring programmed contents to vfo. Q select vfo mode wit...

  • Page 125: Memo Pads

    8-7 ■ 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- 16) memo pads are con...

  • Page 126: Scans

    9-1 scans section 9 ■ scan types ……………………………………………………………… 9-2 ■ preparation ……………………………………………………………… 9-2 ■ voice squelch control function ………………………………………… 9-3 ■ scan set mode ………………………………………………………… 9-3 ■ programmed scan operation ………………………………………… 9-4 ■ ∂ f scan operation ……………………………………………………… 9-4 ■ ...

  • Page 127: Scan Types

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

  • Page 128: 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 receiver checks received signals for voice components. If a receiver signal includes voice components, and th...

  • Page 129: 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 [f-5•scan] to select the scan screen. T set the main band’s [sql...

  • Page 130: 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 sc...

  • Page 131: 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 [f-5•scan] to select the scan screen. R set the main band’s [sql] open or closed. • see page 9-2 for squelch condition. T push [f-1•memo] to start the memory sca...

  • Page 132

    9-7 ■ setting select memory channels d 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 [f-5•scan] to select the scan screen. R select the desired memory channel to set as a se- lect memory channel. • [ y ]/[ z ] ...

  • Page 133: Tone Scan

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

  • Page 134: 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 …………………………………………… 10-3 d temporary memory ………………………………………………… 10-4 d antenna selection mode …………………………………………… 10-4 ■ antenna tuner o...

  • Page 135

    10-2 ■ antenna connection and selection the ic-7800 has 4 antenna connectors for the hf/50 mhz bands, [ant1], [ant2], [ant3], and [ant4]. For each operating band the ic-7800 covers, there is a band memory which can memorize a selected an- tenna. When you change the operating frequency be- yond a ban...

  • Page 136: 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-func- tion screen, if necessary. W push [ant] for 1 sec. To select antenna set screen. E select the desired frequency band with a band key. R push ...

  • Page 137

    10-4 ■ antenna memory settings (continued) d 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 [f-4•temp-m] to turn the temporary memory on...

  • Page 138: Antenna Tuner Operation

    10-5 ■ 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 angles are memorized as a preset point for each frequency range (100 khz steps). Therefore, when you change...

  • Page 139

    10-6 ■ antenna tuner operation (continued) • ptt tuner start the tuner is always tuned when the ptt is pushed after the frequency is changed (more than 1% from last-tuned frequency). This function removes the “push and hold [tuner]” operation and activates for the first transmission on a new frequen...

  • Page 140: Clock And Timers

    11-1 clock and timers section 11 ■ time set mode ………………………………………………………… 11-2 ■ daily timer setting ……………………………………………………… 11-3 ■ setting sleep timer …………………………………………………… 11-4 ■ timer operation ………………………………………………………… 11-4.

  • Page 141: Time Set Mode

    11-2 ■ time set mode the ic-7800 has a built-in calendar and 24-hour clock with daily power on/off timer functions. Before oper- ating these timer functions, set the current date and time. Q push [exit/set] to close multi-function screen, if necessary. W push [f-7•set] to select set mode menu screen...

  • Page 142: 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 in each main and sub readout. Q push [exit/set] several times to close multi-func- tion screen, if necessary. W push [timer] for 1 sec. To select ...

  • Page 143: 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. Q push [exit/set] several times to close a multi-func- tion screen, if necessary. W push [timer] for 1 sec. To select timer set...

  • Page 144: Set Mode

    12-1 set mode section 12 ■ set mode description ………………………………………………… 12-2 d set mode operation ………………………………………………… 12-2 d screen arrangement ……………………………………………… 12-3 ■ level set mode ………………………………………………………… 12-4 ■ acc set mode ………………………………………………………… 12-6 ■ display set mode …………………………………………………… 12-11 ■ ...

  • Page 145: Set Mode Description

    12-2 ■ set mode description set mode is used for programming infrequently changed values or conditions of functions. The ic- 7800 has a level set mode, display set mode, timer set mode, accessory set mode, miscellaneous (others) set mode and cf card set mode. D d set mode operation q push [exit/set]...

  • Page 146

    12-3 12 set mode d d screen arrangement • set mode menu screen (p. 12-2) • level set mode (p. 12-4) • acc set mode (p. 12-6) • time set mode (p. 11-2) • display set mode (p. 12-11) • miscellaneous (others) set mode (p. 12-14) • cf card set menu (p. 12-22).

  • Page 147: Level Set Mode

    12-4 12 set mode ■ level set mode sets the bass level of the transmit audio tone in ssb mode from –5 to +5. (default: 0) sets the treble level of the transmit audio tone in ssb mode from –5 to +5. (default: 0) sets the bass level of the transmit audio tone in am mode from –5 to +5. (default: 0) sets...

  • Page 148: Level Set Mode

    12-5 12 set mode ■ level set mode (continued) sets the bass level of the receive audio tone in fm mode from –5 to +5. (default: 0) sets the treble level of the receive audio tone in fm mode from –5 to +5. (default: 0) sets the transmission passband width to wide setting by changing the lower and hig...

  • Page 149: Level Set Mode

    12-6 12 set mode ■ level set mode (continued) sets the ratio for audio output level from the head- phone toward to the internal speaker within 0.60 to 1.40 range in 0.01 steps. (default: 1.00) selects the headphone audio output. • off : outputs the main band’s audio from the left, and sub band’s aud...

  • Page 150: Acc Set Mode

    12-7 12 set mode sets the desired audio input level for modulation from [acc1–b]. • approx. 100 mv at 50% (default) setting. Sets the desired input level for modulation from [s/p dif], within 0 to 100% in 1% steps. (default: 50%) ■ acc set mode (continued) selects the desired connector(s) for modula...

  • Page 151: Acc Set Mode

    12-8 12 set mode ■ acc set mode (continued) selects the desired band for the operating frequency band control signal output from [acc2–b] (pin 4). • main : outputs the band signal displayed in main readout. • sub : outputs the band signal displayed in sub readout. • tx : outputs the band signal, tha...

  • Page 152: Acc Set Mode

    12-9 12 set mode selects the switching relay type for [relay] from lead and mos-fet. 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 ma max.) ■ acc set mode ...

  • Page 153: Acc Set Mode

    12-10 12 set mode adjusts the internal reference signal frequency within 0 to 100% range in 1% steps during frequency cali- bration. (default: 50%) selects the transceiver’s reference signal condition from in, off and out. • in : use an external reference signal for the ic- 7800. • off : not input/o...

  • Page 154: Display Set Mode

    12-11 12 set mode adjusts the lcd unit brightness from 0 (dark) to 100% (bright) range in 1% steps. (default: 50%) adjusts the switch indicators brightness from 1 (dark) to 100 (bright) range in 1 steps. (default: 80) selects the desired display type from a, b and c. (default: a) selects the desired...

  • Page 155: Display Set Mode

    12-12 12 set mode selects the pop-up display for the apf filter width from on and off. (default: on) turns the pop-up indication capability when the notch filter width is changed from on to off. (default: on) select “on” when the external display is connected. (default: off) • at least 800 × 600 pix...

  • Page 156: Display Set Mode

    12-13 12 set mode sets the introductory text, up to 10-character long, displayed in the opening screen. Usually, you set your call sign for the opening screen. Capital letters, small letters, numerals, some symbols (– / . @) and spaces can be used. Z push [f-5•edit] to select the name edit condition...

  • Page 157

    12-14 12 set mode ■ miscellaneous (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. A beep sounds each time a switch is push...

  • Page 158: (Continued)

    12-15 12 set mode ■ miscellaneous (others) set mode (continued) sets the offset (difference between transmit and re- ceive frequencies) for the quick split function. This set- ting 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 ...

  • Page 159: (Continued)

    12-16 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–a/b] pin 6. Sets the desired offset frequency for th...

  • Page 160: (Continued)

    12-17 12 set mode ■ miscellaneous (others) set mode (continued) selects the main dial function from main and main/sub. (default: main/sub) • main : the main dial functions only when ac- cessing to main readout. • main/sub : the main dial functions when access- ing to main readout, as well as when ac...

  • Page 161: (Continued)

    12-18 12 set mode selects [digi-sel] control function from digi-sel and apf. • digi-sel : [digi-sel] control functions as the digi- tal selector operation. (default) • apf : [digi-sel] control functions as the audio peak filter adjustment. Sets the rate at which frequencies are scanned when the micr...

  • Page 162: (Continued)

    12-19 12 set mode selects the displayed frequency shift function from on and off. (default: off) when this function is activated, the receiving signal can be kept to receive even when the operating mode is changed between ssb and cw. The frequency shifting value may differ according to the cw pitch ...

  • Page 163: (Continued)

    12-20 12 set mode ■ miscellaneous (others) set mode (continued) transceive operation is possible with the ic-7800 connected to other icom hf transceivers or receivers. When “on” is selected, changing the frequency, op- erating mode, etc. On the ic-7800 automatically changes those of connected transc...

  • Page 164: (Continued)

    12-21 12 set mode ■ miscellaneous (others) set mode (continued) sets subnet mask for the ic-7800 when connecting to your pc or lan (local area network) through the ethernet connector. Turn the transceiver power off then on to make the setting effective. See p. 16-7 for details. Sets the repeating ra...

  • Page 165: Cf Card Set Menu

    ■ cf card set menu d d cf card set screen arrangement • cf card set menu • setting load screen (p. 12-26) • load option set mode (p. 12-24) • firmware update (p. 16-4) • format menu (p. 12-28) • setting save screen (p. 12-25) • save option set mode (p. 12-23) 12-22 12 set mode.

  • Page 166

    12-23 12 set mode selects file saving condition from all and select. (default: all) • all : saves all the following contents. • select : saves the selected contents only. Selects memory channel contents and other settings saving condition from yes and no. (default: yes) • yes : saves memory channel ...

  • Page 167

    12-24 12 set mode d d load option set mode selects file loading condition from all and select. (default: select) • all : loads and sets the all following contents. • select : loads and sets the selected contents only. Selects the antenna memory setting loading condition yes and no. (default: no). • ...

  • Page 168: File Saving

    12-25 12 set mode ■ file saving memory channel contents, set mode settings, etc. Can be saved into the cf (compact flash) memory card for backup. Q during set mode menu screen indication, push [f-7•cf card] to select cf card set menu screen. W push [f-2•save] to select setting save screen. E change ...

  • Page 169: File Loading

    12-26 12 set mode ■ file loading by loading the saved setting file from the cf card, you can easily set up another ic-7800— several operators settings can easily be applied to one ic-7800. Q during set mode menu screen indication, push [f-7•cf card] to select cf card set menu screen. W push [f-1•loa...

  • Page 170: Changing The File Name

    12-27 ■ changing the file name the file name, saved in the cf card, can be re-named from the transceiver as desired. Q during setting save screen display, push [f-1•dir/file] to select tree view screen. • push [f-2• y ] or [f-3• z ] to select the desired folder. • “decode,” “setting” and “voice” fol...

  • Page 171: Deleting A File

    12-28 12 set mode ■ deleting a file recommendation! Deleting the setting file is ir- reversible. Confirm the contents before deleting a setting file! Q during setting save screen display, push [f-1•dir/file] to select tree view screen. • push [f-2• y ] or [f-3• z ] to select the desired folder. • “d...

  • Page 172: Maintenance

    13-1 maintenance section 13 ■ troubleshooting ……………………………………………………… 13-2 d transceiver power ………………………………………………… 13-2 d transmit and receive ……………………………………………… 13-2 d scanning …………………………………………………………… 13-3 d display ……………………………………………………………… 13-3 ■ main dial brake adjustment ………………………………………… 13-3 ■ vo...

  • Page 173: 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 you near- est icom dealer or service center. D d transceiver power d d transmit a...

  • Page 174: Main Dial Brake Adjustment

    13-3 d d scanning d d display ■ main dial brake adjustment the tension of the main dial may be adjusted to suit you preference. The brake adjustment is located on the bottom side of the front panel. See the figure at left. Slide the brake adjustment to comfortable tension level while turning the dia...

  • Page 175: Swr Reading

    13-4 ■ swr reading the swr meter indicates the swr over the transmis- sion line in all modes. Q push [tuner] to turn the antenna tuner off. W push [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] clockwise p...

  • Page 176: Frequency Calibration

    13-5 ■ frequency calibration (approximate) a very accurate frequency counter is required to cali- brate the frequency of the transceiver. However, a rough check may be performed by receiving radio sta- tion wwv, wwvh, or other standard frequency sig- nals. Caution: the ic-7800 has been thoroughly ad...

  • Page 177

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

  • Page 178: 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. 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 179: About Protection Indications

    13-8 ■ about protection indications the ic-7800 has a 2-step protection function to protect the final power amplifiers. The protector detects the power amplifier temperature and activates when the temperature becomes ex- tremely high. • power down transmission reduces the transmit output power to 10...

  • Page 180: 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 ………………………………………………………… 14-2 d command table …………………………………………………… 14-9 d to send/read memory contents …………………………………… 14-9 d band stacking register ………………...

  • Page 181: Ci-V Connection Example

    14-2 ■ remote jack (ci-v) information d 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 of the transceiver. Up to 4 icom ci-v transceivers or transce...

  • Page 182: Command Table

    14-3 d d command table 14 control command command sub command description 00 — send frequency data 01 same as send mode data command 06 02 — read band edge frequencies 03 — read operating frequency 04 — read operating mode 05 — set operating frequency 06 00 select lsb 01 select usb 02 select am 03 s...

  • Page 183

    14-4 d d command table (continued) 14 control command command sub command description 15 01 read squelch condition 02 read s-meter level 11 read rf power meter 12 read swr meter 13 read alc meter 14 read comp meter 15 read v d meter 16 read i d meter 16 02 preamp (0=off; 1=preamp 1; 2=preamp 2) 12 a...

  • Page 184

    14-5 d d command table (continued) 14 control command command sub command description 1a 050035 send/read the band selection for operating frequency band signal output to acc-a. (0=main, 1=sub, 2=tx) 050036 send/read the band selection for operating frequency band signal output to acc-a. (0=main, 1=...

  • Page 185

    14-6 d d command table (continued) 14 control command command sub command description 1a 050087 send/read main dial function (0=main, 1=main+sub) 050088 send/read main dial auto ts (0=off, 1=low, 2=high) 050089 send/read sub dial auto ts (0=off, 1=low, 2=high) 050090 send/read mic. Up/down speed (0=...

  • Page 186

    14-7 d d command table (continued) 14 control command command sub command description 1a 050134 send/read voice memory short play time (3=3 sec. To 10=10 sec.) 050135 send/read voice memory normal record time (5= 5 sec. To 15=15 sec.) 050136 send/read contest number style (0=normal, 1=190 → ano, 2=1...

  • Page 187

    D d command table (continued) 14-8 14 control command command sub command description 1a 050190 set/read fft scope averaging set for rtty decoder (0=off, 1=2, 2=3, 3=4) 050191 set/read fft scope waveform color set for rtty decoder (see p. 14-10 for details) 050192 set/read fft scope averaging set fo...

  • Page 188

    14-9 14 control command d d to send/read memory contents when sending or reading memory contents, additional code must be added to appoint the memory channel as follows. ➥ additional code: 0000–0101 (0100=p1, 0101=p2) d d band stacking register to send or read the desired band stacking register ’s c...

  • Page 189

    14-10 14 control command d d offset frequency setting the following data sequence is used when sending or reading the offset frequency setting. D d repeater tone/tone squelch frequency setting the following data sequence is used when sending or reading the tone frequency setting. D d ssb transmissio...

  • Page 190: Specifications And Options

    15-1 specifications and options section 15 ■ specifications ………………………………………………………… 15-2 d general ……………………………………………………………… 15-2 d transmitter ………………………………………………………… 15-2 d receiver …………………………………………………………… 15-3 d antenna tuner ……………………………………………………… 15-3 ■ options ………………………………………………………………… 15-4.

  • Page 191: Specifications

    15-2 ■ specifications d d general • frequency coverage (unit: mhz) : receiver 0.030000–60.000000* 1 transmitter 1.800000–1.999999* 2 , 3.500000–3.999999* 2 , 5.330500* 3 , 5.346500* 3 , 5.366500* 3 , 5.371500* 3 , 5.403500* 3 , 7.000000–7.300000* 2 , 10.100000–10.150000* 2 , 14.000000–14.350000* 2 ,...

  • Page 192

    15-3 d d receiver • receive system : double conversion superheterodyne system • intermediate frequencies : 1st 64.455 mhz (main band) 64.555 mhz (sub band) 2nd 36 khz • sensitivity : ssb, cw, rtty (bw=2.4 khz, 10 db s/n) 0.100–1.799 mhz 0.5 µv (pre-amp 1 on) 1.800–29.990 mhz 0.16 µv (pre-amp 1 on) 5...

  • Page 193: Options

    15-4 ■ options • ic-pw1/euro hf /50 mh z all band 1 k w linear amplifier full-duty-cycle 1 kw linear amplifier including an auto- matic antenna tuner. Has automatic tuning and band selection capability when used with an icom trans- ceiver. Full break-in (qsk) operation. The amplifier/power supply un...

  • Page 194: Updating The Firmware

    16-1 updating the firmware section 16 ■ general ………………………………………………………………… 16-2 ■ caution ………………………………………………………………… 16-2 ■ preparation …………………………………………………………… 16-3 d firmware and firm utility …………………………………………… 16-3 d file downloading …………………………………………………… 16-3 ■ firmware update— cf memory card …………………...

  • Page 195: General

    16-2 ■ general the ic-7800’s firmware can be updated if desired. By updating the firmware, new function(s) can be added and the improvement of performance parame- ters can be made. 2 ways of firmware update are available; one is using the cf memory card, and the other is using a pc. You can choose e...

  • Page 196: Preparation

    16-3 ■ preparation d d firmware and firm utility the latest firmware and the firm utility can be down- loaded from the icom home page via the internet. Ac- cess the following url to download the firm utility and the latest firmware. Http://www.Icom.Co.Jp/world/download/index.Htm for updating from th...

  • Page 197

    16-4 ■ firmware update— cf memory card when updating the firmware using with the cf mem- ory card, no ip address as well as subnet mask set- tings are necessary. Q copy the downloaded firmware data into the cf memory card (“ic-7800” folder). • the cf memory card must be formatted by the ic-7800. W i...

  • Page 198

    16-5 !3 after the firmware loading is completed, the trans- ceiver starts the update automatically and the dialog as at left is displayed. R warning!: never turn the ic-7800 power off at this stage. The transceiver firmware will be damaged. !4 when the dialog disappears, the precaution as at left is...

  • Page 199: Firmware Update— Pc

    16-6 ■ firmware update— pc d d connections connect the ic-7800 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-7800 (192.168.100.13) pc1 (192...

  • Page 200

    16-7 d d ip address setting important!: a fixed (static) ip address is used for the ic-7800. When you connect the ic-7800 to a lan, ask the network manager about a usable/assignable ip address and the subnet mask in advance. Never set the ip address that has already been used with another device in ...

  • Page 201

    16-8 d d updating from the pc q start up the ic-7800 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.: 7800_110.Dat) . • click […], then...

  • Page 202

    16-9 o the screen as at left is displayed. • the following dialog appears in the ic-7800 display. R warning!: never turn the ic-7800 power off at this stage. The transceiver firmware will be damaged. !0 click [ok] to finish the firmware update. • the “firmware updating” dialog as above disap- pears....

  • Page 203: Installation Notes

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

  • Page 204

    About ce declaration of conformity we icom inc. Japan 1-1-32, kamiminami, hirano-ku osaka 547-0003, japan kind of equipment: hf/50 mhz all mode transceiver this compliance is based on conformity according to annex iii of the directive 1999/5/ec using the following harmonised standards: i) article 3....

  • Page 205

    Please record the serial number of your ic-7800 transceiver below for future servicing reference: serial number : date of purchase : place where purchased :.

  • Page 206

    1-1-32 kamiminami, hirano-ku, osaka 547-0003, japan ■ ger ■ ■ fra ■ ■ esp ■ swe ■ aut ■ ned ■ ■ por ■ den ■ ■ gbr ■ bel ■ ■ ita ■ fin ■ irl ■ lux ■ gre ■ ■ sui ■ ■ nor ic-7800 #03 (europe) ■ ■ ger ■ fra ■ ■ esp ■ ■ swe ■ ■ aut ■ ■ ned ■ ■ por ■ ■ den ■ ■ gbr ■ ■ bel ■ ■ ita ■ ■ fin ■ ■ irl ■ ■ lux ■...