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Icom IC-7800 Instruction Manual

Summary of IC-7800

  • Page 1

    The transceiver i7800 instruction manual a-6328h-1ex- !5 a printed in japan © 2004–2013 icom inc..

  • Page 2: Features

    Foreword i 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 danger high rf voltage! Never attach an antenna or internal antenna connector dur- ing 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 aga...

  • Page 4

    Q ac power cable* 1 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 section 1 panel description ■ front panel 1-2 ■ rear panel 1-12 ■ accessory connector information 1-14 ■ lcd display 1-15 ■ screen menu arrangement 1-16 section 2 installation and connectio...

  • Page 6

    D drive gain adjustment 3-13 ■ band edge warning beep 3-13 d programming the user band edge 3-14 section 4 receive and transmit ■ operating ssb 4-2 d convenient functions for receive 4-2 d convenient functions ...

  • Page 7

    Vi section 5 functions for receive ■ 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 d usb mouse operation 5-...

  • Page 8

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

  • Page 9

    Viii ■ ∂ f scan operation 9-4 ■ fine programmed scan/ ∂ f scan 9-5 ■ memory scan operation 9-6 ■ select memory scan operation 9-6 ■ setting select memory channels 9-7 d setting in scan screen ...

  • Page 10

    ■ fuse replacement 13-7 ■ resetting the cpu 13-7 ■ about protection indications 13-8 ■ screen saver function 13-8 section 14 control command ■ remote jack (ci-v) information 14-2 d ci-v connection examp...

  • Page 11: Panel Description

    1-1 panel description section 1 ■ front panel 1-2 ■ rear panel 1-12 ■ accessory connector information 1-14 ■ lcd display 1-15 ■ screen menu arrangement 1-16.

  • 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. ➥ hold down for 1 second to turn the transceiver power off. • the [power] indicator lights orange when the trans - ceiver is off when the...

  • 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 increases decreases o mic gain control [mic] adjusts microphone gain. • the transmit audio tone in ssb, am and fm modes can be adjusted independently in...

  • Page 14: Front Panel (Continued)

    1-4 ■ front panel (continued) !9 agc control [agc] (for main band; p. 5-12) @0 agc control [agc] (for sub band; p. 5-12) adjusts the continuously-variable agc circuit time constant. • to use [agc] control, push the appropriate band’s [agc vr] ([agc vr] indicator lights). Slow fast @1 agc volume swit...

  • 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 or ant4 when pushed. (p. 10-2) ➥ displays antenna selection memory whe...

  • Page 16: Front Panel (Continued)

    1-6 ■ front panel (continued) #5 noise reduction switch [nr] (for main band; p. 5-19) #6 noise reduction switch [nr] (for sub band; p. 5-19) push to switch the dsp noise reduction on or 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 ]/[ 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 depend...

  • 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 oper- ating 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. 12-18) %8 vfo/memory switch [v/m...

  • Page 19

    1-9 ^6 notch switch [notch] (for sub band; p. 5-20) ^7 notch switch [notch] (for main band; p. 5-20) ➥ switches the notch function between auto, man- ual or off in ssb and am modes. ➥ turns the manual notch function on or off when pushed in cw, rtty and psk31 mode. ➥ turns the auto notch function on...

  • Page 20: Front Panel (Continued)

    1-10 ■ front panel (continued) *0 rit/ ∂ tx control [rit/ ∂ tx] (pp. 5-11, 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 freque...

  • Page 21

    1-11 *5 digital rf selector control [digi-sel] (for main band; p. 5-20) *6 digital rf selector control [digi-sel] (for sub band; p. 5-20) adjusts the digital rf selector center frequency. • the control can be reassigned as the audio peak filter adjustment (p. 12-19) higher frequency lower frequency ...

  • 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 page 1-14 f...

  • Page 24

    1-14 1 panel description ■ 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. (pp. 12-5, 12-6) 1 2 3 4 5 6 7 8 acc 1 pin no. Name d...

  • Page 25: Lcd Display

    Q band width indicator (p. 5-13) shows the passband width of the if filter. W mode indicator shows the selected mode. E shift frequency indicator (p. 5-13) shows the shift frequency of the if filter. R quick tuning indicator (p. 3-6) appears when the quick tuning step function is in use. T passband ...

  • Page 26: Screen Menu Arrangement

    1-16 1 panel description ■ 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 page 12-3 for set mode arrangement. • spectrum scope screen (...

  • Page 27: Installation and Connections

    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 28: Unpacking

    2-2 ■ unpacking after unpacking, immediately report any damage to the delivering carrier or dealer. Keep the shipping car- tons. 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 connectio...

  • Page 29: 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 distan...

  • Page 30: Required Connections

    2-4 ■ required connections d front panel microphones (pp. 2-9, 2-10) cw key a straight or bug key can be used when the internal electronic keyer is turned off in keyer set mode. (p. 4-12) optional hm-36 optional sm-50 optional sm-30 d rear panel main sub acc 1 acc 2 acc 1 acc 2 alc adj alc relay key...

  • Page 31: Advanced Connections

    2-5 ■ advanced connections d front panel headphones mic external equipment for afsk opera- tion (p. 2-8), or an external keypad (p. 2-10) can also be connected to [mic]. Cf (compact flash) memory card 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 ...

  • Page 32

    2-6 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 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 out external display connects a pc-st...

  • Page 33: Linear Amplifier Connections

    2-7 ■ linear amplifier connections d connecting the ic-pw1/euro to an antenna acc-1 ant ant2 ant1 acc 2 input1 input2 remote exciter 1 1&2 gnd gnd ic-pw1/euro ac outlet (non-european versions : 100–120/220–240 v european version : 230 v) ground transceiver remote remote control cable (supplied with ...

  • Page 34: Transverter Jack Information

    2-8 ■ transverter jack information transverter connector 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 ac - ...

  • Page 35: Microphones (Options)

    2-9 2 installation and connections q ptt switch hold down to transmit, release to receive. W ptt lock switch push to lock the ptt switch in the transmit mode. E up/down switches [up]/[dn] change the selected readout frequency or memory channel. • holding down continuously changes the frequency or me...

  • Page 36

    2-10 2 installation and connections d hm-36 w q ■ microphones (options) (continued) q ptt switch hold down to transmit; release to receive. W up/down switches [up]/[dn] change the selected readout frequency or memory channel. • holding down continuously changes the frequency or memory channel number...

  • Page 37: 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 ba...

  • Page 38: 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 39: 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 selected band and transmission occurs on the main band (except d...

  • Page 40: Selecting An Operating Band

    3-4 ■ selecting an operating band band keys 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 op- erating mode last used are called up. When the key is pushed again, another stored freque...

  • Page 41: Frequency Setting

    3-5 ■ frequency setting the transceiver has several tuning methods for conve- nient frequency tuning. D tuning with the main dial band keys main dial sub 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] ...

  • Page 42

    3-6 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. Main dial [ts] select mode [ts] q push [ts] to turn the quick tuning function on. • “z ” appears when the quick tuning function on. W rotate the main dial t...

  • Page 43

    3-7 d selecting 1 hz step the minimum tuning step of 1 hz can be used for fine tuning. 1hz step indicator 1hz step indicator q push [ts] to turn the quick tuning function off. W hold down [ts] for 1 second to turn the 1 hz tuning step on or off. Note: 1 hz tuning step activates for both main and sub...

  • Page 44: Operating Mode Selection

    3-8 ■ operating mode selection ssb (usb/lsb), ssb data (usb data/lsb data), cw, cw reverse (cw-r), rtty, rtty reverse (rtty-r), psk, psk reverse (psk-r), am, am data, fm and fm data modes are selectable in the ic-7800. Select the desired operation mode as follows. [ssb] [cw] [rtty/psk] [am/fm] [data...

  • Page 45: Volume Setting

    3-9 ■ volume setting [af] for main [af] for sub audio output increases audio output decreases ➥ rotate [af] control clockwise to increase, counter- clockwise to decrease the audio output level. • set a suitable audio level. ■ rf gain adjustment [rf] for main [rf] for sub sensitivity increases sensit...

  • Page 46: Meter Indication Selection

    ■ meter indication selection [meter] 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. S i d 0 5 10 15 0 0...

  • Page 47

    3-11 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 se- lection. [f-1•y ] [exit/set] [f-7•set] [f-2•z ] [f-3•displa y] q push [exit/set] several times to return to normal screen, if nec...

  • Page 48: Basic Transmit Operation

    3-12 ■ basic transmit operation d transmitting [transmit] [rf pwr] [tx] indicator 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 ...

  • Page 49: Band Edge Warning Beep

    3-13 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. [drive] [meter] before transmitting, monitor your selected operating frequency to make sure transmitting won’t cause inter-...

  • Page 50

    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 [f-5•band] to open the band edge screen. R p...

  • Page 51: 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 convenien...

  • Page 52: Operating Ssb

    4-2 ■ operating ssb [mic] [tx] indicator [rx] indicator [af] [ssb] [transmit] main dial band keys 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 rot...

  • Page 53

    D convenient functions for transmit • speech compressor (p. 6-5) ➥ push [comp] to turn the speech compressor on or off. • hold down [comp] for 1 second to select the com - pression bandwidth from wide, middle and narrow. • vox (voice operated transmit) (p. 6-2) ➥ push [vox/bk-in] to turn the vox fun...

  • Page 54: Operating Cw

    4-4 ■ operating cw [key speed] [tx] indicator [rx] indicator [af] [cw] [transmit] main dial band keys 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 dia...

  • Page 55

    4-5 d convenient functions for transmit 4 receive and transmit • break-in function (p. 6-3) ➥ push [vox/bk-in] several times to select the break-in off, semi break-in and full break-in. • “bk in” or “f-bk in” appears when the semi break-in or full break-in function is on, respectively. Cw pitch freq...

  • Page 56

    4-6 d apf (audio peak filter) operation [digi-sel] (sub) [digi-sel] (main) [apf/tpf] (main) [apf/tpf] (sub) 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 selecte...

  • Page 57: Electronic Keyer Functions

    4-7 ■ electronic keyer functions [exit/set] [cw] [f-1]–[f-4] 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 sele...

  • Page 58

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

  • Page 59

    4-9 d editing a memory keyer the contents of the memory keyer memories can be set using the memory keyer edit menu. The mem- ory keyer can memorize and retransmit four cw key codes for often-used cw sentences, contest serial numbers, etc. Total capacity of the memory keyer is 70 characters per memor...

  • Page 60

    4-10 d contest number set mode this menu is used to set the contest (serial) number and count up trigger, etc. • setting contents [f-1•y ] main dial [exit/set] [f-2•z ] [f-4•def] q during cw mode operation, push [f-3•keyer] to select memory keyer screen. W push [exit•set] to select memory keyer menu...

  • Page 61

    4-11 d keyer set mode this set mode is used to set the memory keyer re- peat time, dash weight, paddle specifications, keyer type, etc. • setting contents [f-1•y ] main dial [exit/set] [f-2•z ] [f-4•def] q during cw mode operation, push [f-3•keyer] to select memory keyer screen. W push [exit•set] to...

  • Page 62

    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) this item allows you to set the microphone [up]/[dn] keys to be used as a paddle. • on...

  • Page 63: 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 64

    4-14 d convenient functions for receive • preamp (p. 5-10) ➥ push [p.Amp] several times to set the preamp off, preamp 1 on or preamp 2 on. • “p.Amp1” or “p.Amp2” appears when the preamp 1 or preamp 2 is on. Main and sub have independent preamp controls. • attenuator (p. 5-10) ➥ push [att] several ti...

  • Page 65

    4-15 d functions for the rtty decoder indication [f-6•main/sub] [f-7•wide] [f-2•hold/clr] [rtty/psk] [exit/set] q push a band key to select the desired band. W push [rtty/psk] to select rtty. • after rtty mode is selected, hold down [rtty/psk] for 1 second to toggle between rtty and rtty-r modes. • ...

  • Page 66

    4-16 d rtty memory transmission pre-set characters can be sent using the rtty memory. Contents of the memory are set using the edit menu. [f-7•1–4/5–8] [f-1•rt1]–[f-4•rt4] [f-1•rt5]–[f-4•rt8] [exit/set] q during rtty mode operation, push [f-3•decode] to select rtty decode screen. W push [f-4•tx mem]...

  • Page 67

    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 infor- mation. Total capacity of the memory is 70 characters per memory channel. • programming contents [f-1•Ω ] [abc]/[abc] [1...

  • Page 68

    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 [f-1•y] main dial [exit/set] [f-2•z][f-4•def] [f-3•Ω ≈] [f-7•wide] q during rtty mode operation, push [f-3•decode] to select rtty decode screen. W push [f-1•] to select rt...

  • Page 69

    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. Turn the time stamp (date, transmission or reception time) indication on or off. • on : dis...

  • Page 70

    4-20 d data saving the contents of the rtty memory and received sig- nal can be saved into the cf memory card or usb flash drive. [f-1•dir/file] main dial [exit/set] [f-4•edit] [f-5•option] [f-6•save] [f-7•wide] q during rtty decode screen, push [f-1•] to select rtty decode menu 2. W push [f-5•save]...

  • Page 71: 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 72

    4-22 d convenient functions for receive • preamp (p. 5-10) ➥ push [p.Amp] several times to set the preamp off, preamp 1 on or preamp 2 on. • “p.Amp1” or “p.Amp2” appears when the preamp 1 or preamp 2 is on. Main and sub have independent preamp controls. • attenuator (p. 5-10) ➥ push [att] several ti...

  • Page 73

    4-23 d functions for the psk decoder indication [f-3•afc/net] [f-6•main/sub] [f-7•wide] [f-2•hold/clr] [rtty/psk] [exit/set] q push a band key to select the desired band. W push [rtty/psk] to select psk. • after psk mode is selected, hold down [rtty/psk] for 1 second to toggle between psk and psk-r ...

  • Page 74

    4-24 d psk memory transmission pre-set characters can be sent using the psk memory. Contents of the memory are set using the edit menu. [f-7•1–4/5–8] [f-1•pt1]–[f-4•pt4] [f-1•pt5]–[f-4•pt8] [exit/set] q during psk mode operation, push [f-3•decode] to select psk decode screen. W push [f-4•tx mem] to ...

  • Page 75

    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 ca- pacity of the memory is 70 characters per memory channel. • programming contents [f-1•Ω ] [abc]/[abc] [123]/[symbol] [f-7•pt...

  • Page 76

    4-26 d psk decode set mode this set mode is used to set the fft scope setting, time stamp setting, etc. • setting contents [f-1•y] main dial [exit/set] [f-2•z][f-4•def] [f-3•Ω ≈] [f-7•wide] q during psk mode operation, push [f-3•decode] to select psk decode screen. W push [f-1•] to select psk decode...

  • Page 77

    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 below left. • on : displays the operating frequency. • off : no operating frequency display...

  • Page 78

    4-28 d data saving the contents of the psk memory and received signal can be saved into the cf memory card or usb flash drive. [f-1•dir/file] main dial [exit/set] [f-4•edit] [f-5•option] [f-6•save] [f-7•wide] q during psk decode screen indication, push [f-1•] to select psk decode menu 2. W push [f-5...

  • Page 79: Operating Am

    4-29 ■ operating am [tx] indicator [mic] [rx] indicator [am/fm] [af] main dial band keys 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...

  • Page 80

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

  • Page 81: Operating Fm

    4-31 ■ operating fm [tx] indicator [mic] [rx] indicator [am/fm] [af] main dial band keys [filter] 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 dia...

  • Page 82: 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 83: 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. [am/fm] [f-1•y ] [f-2•z ] main dial [f-4•def] [tone] q set the desired frequency band and select fm mode. W...

  • Page 84: 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. [am/fm] [ssb] [af] [data] main dial band keys q connect a pc and tnc to the transceiver. (p. 2-8) w push a band key to select the desired...

  • Page 85: 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 d usb mouse operation 5...

  • Page 86: 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 87

    5-3 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. [f-3•marker] [f-2•a tt] [exit/set] [f-5•cent/fix] [f-4•hold] [f-6•main/sub] q push [exit/set] several times to close a multi-func- tion scr...

  • Page 88

    5-4 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. [m.Scope] q set the scope mode (center or fix), marker, attenu- ator, span, etc. In advance. (pp. 5-2, 5-3) w push [m...

  • Page 89

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

  • Page 90

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

  • Page 91

    5-7 d scope set mode (continued) 5 functions for receive set the scope edge frequencies for fixed mode scope when the 1.6 to 2 mhz band is selected. • set the frequencies between 1.600 to 2.000 mhz range in 1 khz steps. Set the scope edge frequencies for fixed mode scope when the 2 to 6 mhz band is ...

  • Page 92

    5-8 5 functions for receive d scope set mode (continued) set the scope edge frequencies for fix mode scope when 26 to 30 mhz band is selected. • set the frequencies between 26.000 to 30.000 mhz range in 1 khz steps. Up to 500 khz band width can be specified, so ei- ther edge frequency will be set to...

  • Page 93

    5-9 5 functions for receive d usb mouse operation if you connect a usb mouse to the transceiver, a mouse pointer appears on the spectrum scope screen. Now, you can change the frequency by using the mouse. Mouse pointer the mouse changes the frequency that the scope is selected in either the main or ...

  • Page 94: Preamplifier

    ■ 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. [p.Amp] ➥ push [p.Amp] several times to set the preamp off, preamp 1 on or preamp 2 on. For all hf bands high-gain p...

  • Page 95: Rit Function

    5-11 5 functions for receive ■ rit function the rit (receive increment tuning) function com- pensates for off-frequencies of the communicating sta- tion. The function shifts the receive frequency up to ±9.99 khz in 10 hz steps without moving the transmit fre- quency. [rit] [rit/∂tx] [clear] q push [...

  • Page 96: Agc Function

    ■ agc function [agc] [agc] control for main [agc vr] for main [agc vr] for sub [agc] control for sub 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 (ti...

  • Page 97: Twin Pbt Operation

    5-13 5 functions for receive ■ 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] con...

  • Page 98: If Filter Selection

    ■ 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 hz in ...

  • Page 99

    5-15 5 functions for receive 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 hold down [filter] for 1 second to enter filter set screen. W select any mode except fm....

  • Page 100

    D filter shape set mode (continued) 5-16 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 us...

  • Page 101: Dualwatch Operation

    5-17 5 functions for receive ■ 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. [main] [dualwatch] [change] sub dial [af] for sub [split] [sub] q ...

  • Page 102: 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. [nb] for main [nb] control for sub [nb] control for main [nb] for sub q push [nb] to turn the noise blanker function on or off. • [nb] indicator above t...

  • Page 103: Noise Reduction

    5-19 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 does the random noise re- duction function. [nr] for main [nr] control for sub [nr] control for main [nr] for sub q push the [nr...

  • Page 104: Notch Function

    ■ notch function this transceiver has auto and manual notch functions. The auto notch function uses dsp to automatically at- tenuates 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...

  • Page 105: Audio Scope Screen

    5-21 5 functions for receive ■ audio scope screen this audio scope allows you to display the received signal’s frequency component to the fft scope, and its waveform component to the oscilloscope. The fft scope has an waterfall. [f-4•hold] [f-2•att] [f-1•main/sub] [exit/set] [f-6•time] [f-5•level] [...

  • Page 106

    5-22 5 functions for receive d audio scope set mode this set mode is used to set the fft scope waveform type, color, waterfall display and oscilloscope wave- form color. [f-1•y] main dial [exit/set] [f-2•z][f-4•def] [f-3•Ω ≈] q during audio scope display is on, push [f-7•set] to select the audio sco...

  • Page 107: 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 108: Vox Function

    6-2 ■ vox function the vox (voice-operated transmission) function switches between transmit and receive with your voice. This function provides “hands-free” operation. D using the vox function [vox/bk-in] [am/fm] [ssb] q select a phone mode (ssb, am, fm). W push [vox/bk-in] to turn the vox function ...

  • Page 109: 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-7800 is capable for full break-in or semi break-in. D semi break-in operation during semi break-in operation, the transceiver selects transmit w...

  • Page 110: 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. • see (3 on p. 1-11 for function description. [rit/∂tx] [∂tx] [clear] q push [ ∂ tx]. • “ ” appears. W rotate...

  • Page 111: (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. [comp] ➥ during usb or lsb mode selection, hold down [comp] for 1 second several times to select the de- sired transmit filter width from wide, middle and nar- row. • t...

  • Page 112: Split Frequency Operation

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

  • Page 113: Quick Split Function

    6-7 ■ quick split function when you find a dx station, an important consider- ation is how to set the split frequency. When you hold down the [split] switch for 1 second, split frequency operation is turned on, the sub read- out is equalized to the main readout frequency and en- ters standby for tra...

  • Page 115: Voice Recorder Functions

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

  • Page 116: Recording A Qso Audio

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

  • Page 117

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

  • Page 118

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

  • Page 119: Deleting Recorded Audio File

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

  • Page 120: About Digital Voice Recorder

    7-6 7 voice recorder functions ■ 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 seconds can be re- corded into a receive channel (total message length for all channels of up to 20...

  • Page 121

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

  • Page 122

    7-8 7 voice recorder functions d one-touch playing the previously recorded audio in channel 1 can be playback without selecting voice recorder screen. [play] ➥ push [play] momentarily to playback the last 5 sec- onds of the previously recorded audio. • “ ” indicator appears. • playback is terminated...

  • Page 123

    7-9 7 voice recorder functions ■ recording a message for transmit to transmit a message using the voice recorder , re - cord the desired message in advance as described below. The ic-7800 has digital voice memories for transmis- sion, up to 4 memories and you can record message in length of up to 99...

  • Page 125: Sending A Recorded Message

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

  • Page 126: Voice Set Mode

    7-12 ■ voice set mode sets the automatic monitor function, short play and normal recording times for voice recorder. [f-2•z ] [f-1•y ] [exit/set] main dial [f-4•def] q push [exit/set] several times to close a multi-func- tion screen, if necessary. W push [f-2•voice] to display the voice recorder men...

  • Page 127

    7-13 7 voice recorder functions select the recording mode for recording a qso audio. • tx&rx : records both the transmitted and received audio. • rx only : records only the received audio. Select whether or not the squelch status affects the rx voice audio recording. • always: the transceiver always...

  • Page 128: Voice Set Mode (Continued)

    7-14 7 voice recorder functions turn the ptt automatic recording function on or off. • off: the recording does not start even if a signal is transmitted. • on: the recording automatically starts when a sig - nal is transmitted. The recording will continue when: • a signal is transmitted again within...

  • Page 129

    7-15 7 voice recorder functions ■ saving a voice memory into the memory device d saving the received audio memory the recorded rx memory contents can be saved into the cf (compact flash) memory card or usb flash drive. [f-1•dir/file] main dial [exit/set] [f-4•edit] [f-6•save] [f-7•wide] q during voi...

  • Page 131: 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 132: 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 133: Memory List Screen

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

  • Page 134: Memory Channel Programming

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

  • Page 135: 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 transferring in vfo mode this is useful for transferring programmed contents to vfo. Q select vfo mode with ...

  • Page 137: Memo Pads

    8-7 ■ memo pads [mp-r] [mp-w] 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 chan- nels. The default number of memo pads is 5, however, this can be increased to 10 in set mode if desired. (p. 12-18) me...

  • Page 139: 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 140: 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. 9 scans ■ preparation • channels for programmed scan: program scan edge frequencies into scan edge mem- ory channels p1 and...

  • Page 141: 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 142: Programmed Scan Operation

    9-4 ■ programmed scan operation [sql] for main [f-1•prog] [exit/set] main dial 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 se...

  • Page 143: 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. [f-2•∂f] [f-1•prog] [f-3•fine] [exit/set] q push [exit/set] se...

  • Page 144: Memory Scan Operation

    9-6 ■ memory scan operation [sql] for main [f-1•memo] [exit/set] main dial 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 condi...

  • Page 145

    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 [f-5•scan] to select the scan screen. R select the desired memory channel to set as a se- lect memory channel. • [y ]/[ z ] key...

  • Page 146: 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. [f-1•y ] [f-2•z ] [tone] [f-6•t -scan] [f-4•def] [exit/set] q ...

  • Page 147: 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 tune...

  • Page 148

    10-2 ■ antenna connection and selection [ant] 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...

  • Page 149: Antenna Memory Settings

    10-3 ■ antenna memory settings this function stores the antenna connector number for each frequency band. [ant] [f-2•ant mw] band keys q push [exit/set] several times to close multi-func- tion screen, if necessary. W hold down [ant] for 1 second to select antenna set screen. E select the desired fre...

  • Page 150

    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. “ ” appears when a different antenna from the original is selected. Push [f-4•temp-m...

  • Page 151: 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 152

    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 “hold down [tuner]” operation and activates for the first transmission on a new frequency. ...

  • Page 153: 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 154: Time Set Mode

    11-2 ■ time set mode [exit/set] [f-4•def] [abc]/[abc] [123]/[symbol] [f-3•Ω ≈ ] [f-5•edit]/[f-5•set] [f-1•y ] [f-2•z ] main dial 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 p...

  • Page 155: 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. [exit/set] [f-4•timer4]/[f-4•clr] [f-3•timer3] [timer] [f-7•set] [f-1•timer1]/[f-1•Ω] [f-2•timer2]/[f-2•≈] main dial...

  • Page 156: 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. [exit/set] [f-4•clr] [timer] [f-7•sleep]/[f-7•set] main dial q push [exit/set] several times to close a multi-func- tion screen...

  • Page 157: 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 158: 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, others set mode and cf/ usb-memory set mode. D set mode operation [f-1•level] [f-2•acc] [f-3•d...

  • Page 159

    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. 12-6) • time set mode (p. 11-2) • display set mode (p. 12-11) • others set mode (p. 12-14) • cf/usb memory set menu (p. 12-27).

  • Page 160: 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 161: 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 162: 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 163: Acc Set Mode

    12-7 12 set mode sets the desired audio input level for modulation from [acc1–a]. • approximately 100 mv at 50% (default) setting. Sets the desired audio input level for modulation from [acc1–b]. • approximately 100 mv at 50% (default) setting. Sets the desired input level for modulation from [s/p d...

  • Page 164: Acc Set Mode

    12-8 12 set mode ■ acc set mode (continued) selects the desired connector(s) for modulation input when data 2 mode (d2) is in use. • mic : use the signals from [mic]. • acc-a : use the signals from [acc1–a] (pin 4). • acc-b : use the signals from [acc1–b] (pin 4). (default) • mic,acc-a : use the sig...

  • Page 165: 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.) selects the des...

  • Page 166: 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. Note: the default setting is different for each transceiver. Selects the transceiver’s reference signal condition from in, off and out. • in : use an external referenc...

  • Page 167: 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 168: Display Set Mode

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

  • Page 169: 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 condi - t...

  • Page 170: Others Set Mode

    12-14 12 set mode sets the desired key-touch beep sound frequency during main readout operation within 500 to 2000 hz in 10 hz steps. (default: 1000 hz) set the different frequency from “beep sound (sub)” as below to distinguish between main and sub. Sets the desired key-touch beep sound frequency d...

  • Page 171: Others Set Mode

    12-15 12 set mode sets the transmission’s timing for the hf bands. When an external device, such as a vacuum tube lin- ear amplifier or a receiver preamplifier, is connected to the transceiver and you use the send line, a prob- lem could possibly occur. If the device’s transmit/re- ceive switching t...

  • Page 172: Others Set Mode

    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 t...

  • Page 173: Others Set Mode

    12-17 12 set mode selects the rtty shift width. There are 3 selectable values: 170, 200 and 425 hz. (default: 170 hz) 170 hz is automatically selected when the internal rtty decoder is used. Selects the rtty keying polarity. Normal or reverse keying polarity can be selected. (default: normal) when r...

  • Page 174: Others Set Mode

    12-18 12 set mode sets the rate at which frequencies are scanned when the microphone [up]/[dn] switches are held down. High or low can be selected. • high : high speed (default; 50 tuning steps/sec - ond) • low : low speed (25 tuning steps/second) selects the rit/ ∂ tx frequency clearing instruction...

  • Page 175: Others Set Mode

    12-19 12 set mode selects [digi-sel] control function from digi-sel and apf. • digi-sel : [digi-sel] control functions as the dig - ital selector operation. (default) • apf : [digi-sel] control functions as the audio peak filter adjustment. Selects notch functions for am mode operation from auto, ma...

  • Page 176: Others Set Mode

    12-20 12 set mode ■ others set mode (continued) sets the external keypad for keyer memory transmis- sion capability on or off. See pages 2-6 and 2-10 for the equivalent circuit of an external keypad and connection. • on : pushing one of external keypad switches mo- mentarily, transmits the desired k...

  • Page 177: Others Set Mode

    12-21 12 set mode ■ others set mode (continued) sets the keyer memory transmission capability on or off when one of the [f1] to [f4] keys is pushed. • on : pushing one of the [f1] to [f4] keys trans - mits the desired keyer memory contents dur- ing cw mode operation. And while holding down the [shif...

  • Page 178: Others Set Mode

    12-22 12 set mode 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. Selects data transmission speed (baud rate) when “decode” is selected in “rs-232c function” above; settings ...

  • Page 179: Others Set Mode

    12-23 12 set mode 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 page 16-7 for details. Sets the repeating rate for the connected keyboard within 2.0 to ...

  • Page 180: Others Set Mode

    12-24 12 set mode register the users id to allow them to remotely ac- cess the ic-7800. The ic-7800 can register three users to network user1 id to network user3 id. Only when you configure the remote control sys- tem using an optional rs-ba1, you need this reg- istration. The ic-7800 verifies the u...

  • Page 181: Others Set Mode

    12-25 12 set mode register the users id to allow them to remotely ac- cess the ic-7800. The ic-7800 can register three users to network user1 id to network user3 id. Only when you configure the remote control sys- tem using an optional rs-ba1, you need this reg- istration. See the network user1 id o...

  • Page 182: Others Set Mode

    12-26 12 set mode selects whether or not to allow remote stations to select stereo sound. (default : 1ch) when you select “1ch” (monaural), remote stations cannot program “2ch” (stereo). If the remote station selects “2ch,” stereo output (l=main band; r=sub band). Selects whether or not to allow rem...

  • Page 183: Cf/usb-Memory Set Menu

    12-27 12 set mode ■ cf/usb-memory set menu d cf/usb-memory set screen arrangement • cf/usb-memory set menu • setting load screen (p. 12-31) • load option set mode (p. 12-29) • firmware update (p. 16-4) • format screen (p. 12-33) • unmount screen (p. 12-34) • setting save screen (p. 12-30) • save opt...

  • Page 184

    12-28 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 185

    12-29 12 set mode 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). • ye...

  • Page 186: File Saving

    12-30 12 set mode ■ file saving memory channel contents, set mode settings, etc. Can be saved into the cf (compact flash) memory card or usb flash drive for backup. [f-1•dir/file] [f-5•option] [f-4•edit] [f-6•save]/[f-6•ok] [f-7•wide]/[f-7•cancel] [exit/set] main dial q during set mode menu indicati...

  • Page 187: File Loading

    12-31 12 set mode ■ file loading by loading the saved setting file from the memory de- vice, you can easily set up another ic-7800— sev- eral operators settings can easily be applied to one ic-7800. [f-1•dir/file] [f-5•option] [f-4•load] [f-6•sort]/[f-6•ok] [f-7•wide]/[f-7•cancel] [f-3•z ] [f-2•y ] ...

  • Page 188: Changing The File Name

    ■ changing the file name the file name, saved in the memory device, can be re- named from the transceiver as desired. [f-1•dir/file] [f-5•ren/del] [f-4•Ω ≈] [f-6•make] [f-7•wide]/[f-7•cancel] [f-3•z] [f-2•y] [exit/set] q during setting save screen display, hold down [f-1•dir/file] to select the memo...

  • Page 189: Deleting A File

    12-33 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, hold down [f-1•dir/file] to select the memory device. W push [f-1•dir/file] to select tree view screen. • push [...

  • Page 190: Unmounting The Memory Device

    12-34 12 set mode ■ unmounting the memory device caution: when removing the memory device, unmount op- eration is recommended. If you do not unmount the memory in this case, data in the memory device may be corrupted. Q during cf/usb-memory set menu screen, hold down [f-6•unmount] for 1 second. W pu...

  • Page 191: 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 ■ voice s...

  • Page 192: 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 193: Main Dial Brake Adjustment

    13-3 d scanning d display ■ main dial brake adjustment light heavy 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...

  • Page 194: Swr Reading

    13-4 ■ swr reading the swr meter indicates the swr over the transmis- sion line in all modes. [rf pwr] [rtty/psk][exit/set] [meter] [transmit] [tuner] q push [tuner] to turn the antenna tuner off. W hold down [meter] for 1 second to display multi- function meter. E push [rtty/psk] once or twice to s...

  • Page 195: Frequency Calibration

    13-5 ■ frequency calibration (approximate) a very accurate frequency counter is required to cal- ibrate 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 a...

  • Page 196

    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. R warning! Disconnect the ac power cable from the transceiver before performing any work on the transceiver. Otherwise, there is danger of elec- t...

  • Page 197: 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 transceiv- er’s cover. Q remove the bottom cover as shown le...

  • Page 198: About Protection Indications

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

  • Page 199: 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 14-3 d data contents description 14-10

  • Page 200

    14-2 ■ remote jack (ci-v) information d ci-v connection example ic-7800 pc ct- 17 9–15 v dc mini-plug cable 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....

  • Page 201: Command Table

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

  • Page 202

    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 203

    14-5 d command table (continued) 14 control command cmd. Sub cmd. Data description 1a 050006 00 to 10 send/read am tx tone (treble) level (00=–5 to 10=+5) 050007 00 to 10 send/read am rx tone (bass) level (00 =–5 to 10=+5) 050008 00 to 10 send/read am rx tone (treble) level (00=–5 to 10=+5) 050009 0...

  • Page 204

    14-6 d command table (continued) 14 control command cmd. Sub cmd. Data description 1a 050056 00 or 01 send/read synchronous pulse level setting (00=l, 01=h) 050057 00 or 01 send/read opening message indica- tion (00=off, 01=on) 050058 see p. 14-11 send/read opening message contents 050059 20000101 t...

  • Page 205

    14-7 d command table (continued) 14 control command cmd. Sub cmd. Data description 1a 050113 see p. 14-11 send/read waveform color for max. Hold 050114 00 to 02 send/read scope sweep speed for ±2.5 khz span (00=slow, 01=mid., 02=fast) 050115 00 to 02 send/read scope sweep speed for ±5 khz span (00=s...

  • Page 206

    D command table (continued) 14-8 14 control command cmd. Sub cmd. Data description 1a 050174 see p. 14-12 send/read antenna selection for 22.00 to 26.00 mhz band 050175 see p. 14-12 send/read antenna selection for 26.00 to 30.00 mhz band 050176 see p. 14-12 send/read antenna selection for 30.00 to 4...

  • Page 207

    D command table (continued) 14-9 14 control command cmd. Sub cmd. Data description 1a 050222 00, 01 send/read the waterfall display on the spectrum scope. (00=off, 01=on) 050223 00 to 07 send/read the peak color level for dis- playing the waterfall. 00=grid 1, 01=grid 2, 02=grid 3, 03=grid 4, 04=gri...

  • Page 208

    14-10 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 209

    14-11 14 control command • offset frequency setting command : 1a 050071, 050072, 050077 1 khz digit: 0–9 100 hz digit: 0 (fix ed) 100 khz digit: 0–9 10 khz digit: 0–9 10 mhz digit: 0–9 † 1 mhz digit: 0–9 direction: 00=+ direction 01=– direction q 0 x x x x xx w e 0 r * *no need to enter for transver...

  • Page 210

    14-12 14 control command d data contents description (continued) • ssb transmission passband width setting command : 1a 050013, 050014, 050015 x x higher edge: 0=2500 hz 1=2700 hz 2=2800 hz 3=2900 hz lower edge: 0=100 hz 1=200 hz 2=300 hz 3=500 hz • antenna memory setting command : 1a 050166, 050167...

  • Page 211

    14-13 14 control command • memory contents setting command : 1a 00 x e r −i o , !0 !1 !2 −!4 !5 −!7 x x x ... ... X x x x x x x x x x x x x x x x x x x x x x x x x x x x q , w !8 −@7 q , w memory channel number 0001–0099 : memory channel 1 to 99 0100 : programmed scan edge p1 0101 : programmed scan ...

  • Page 213: 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 214: Specifications

    15-2 ■ specifications d general • frequency coverage (unit: mhz) : receiver 0.030000–60.000000* 1 transmitter 1.800000–1.999999* 2 , 3.500000–3.999999* 2 , 5.255000 – 5.405000* 1, * 2 , 7.000000–7.300000* 2 , 10.100000–10.150000* 2 , 14.000000–14.350000* 2 , 18.068000–18.168000* 2 , 21.000000–21.450...

  • Page 215

    15-3 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) 50....

  • Page 216: Options

    15-4 ■ options 15 specifications and options approved icom optional equipment is designed for optimal performance when used with an icom transceiver. Icom is not responsible for the destruction or damage to an icom transceiver in the event the icom transceiver is used with equipment that is not manu...

  • Page 217: 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— memory device ...

  • Page 218: 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 memory device, and the other is using a pc. You can choose e...

  • Page 219: Preparation

    16-3 ■ 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. Ac- cess the following url to download the firm utility and the latest firmware. Http://www.Icom.Co.Jp/world/index.Html for updating from the memory d...

  • Page 220

    16-4 ■ firmware update— memory device when updating the firmware using with the memory device, no ip address as well as subnet mask settings are necessary. [f-1•y]/[f-1•dir/file] [f-3•firm up]/[f-3•z] [f-6•ok] [f-7•set]/[f-7•cf/usb] /[f-7•cancel] [f-2•z]/[f-2•y] [f-4•firm up] [exit/set] q copy the d...

  • Page 221

    16-5 !3 after the firmware loading is completed, the trans- ceiver starts the update automatically and the dia- log 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 i...

  • Page 222: Firmware Update— Pc

    16-6 ■ firmware update— pc 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 (192.168.0.10) pc1 (192.168.0.11) pc2...

  • Page 223

    16-7 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 the...

  • Page 224

    16-8 click [ ] to select the firmware file. Type the ic-7800’s ip address here. R select the firmware file, that has “dat” extension (ex- ample: 7800_300.Dat) . • click […], then select the file, as well as the location. T type the ic-7800’s ip address into “ic-7800 ip ad- dress” text box (example: ...

  • Page 225

    16-9 !2 depending on the updating, one to four dialogs as at left appears in the ic-7800 display in sequence. R warning! Never turn the ic-7800 power off at this stage. The transceiver firmware will be damaged. !3 after the dialog disappears, the firmware updat- ing is completed and normal operation...

  • Page 227: 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 228

    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 229

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

  • Page 230

    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...