Icom IC-7800 Instruction Manual
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Icom IC-7800 Instruction Manual

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THE TRANSCEIVER
i7800

Instruction Manual

A-6328H-1EX
Printed in Japan
© 2004 Icom Inc.

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Summary of Contents for Icom IC-7800

  • Page 1: Instruction Manual

    THE TRANSCEIVER i7800 Instruction Manual A-6328H-1EX Printed in Japan © 2004 Icom Inc.

  • Page 2: Explicit Definitions

    We would like to take a couple of moments of your time to thank you for making your IC-7800 your radio of choice, and hope you agree with Icom’s philosophy of “technology first.” Many hours of research and development went into the design of your IC-7800.
  • Page 3 R CAUTION! Other manufacturer’s microphones have different pin The transceiver weighs approx. 25 kg assignments, and connection to the IC-7800 may dam- (55 lb). 2 peoples should be present to carry, lift up or age the transceiver. turn over the transceiver, etc.

  • Page 4: Table Of Contents

    SUPPLIED ACCESSORIES q AC power cable* o DC power plug ………………………………… 1 …………………………………… 1 w Antenna jumper cables …………………………… 2 !0 2-conductor ″ plugs …………………………… 3 ⁄ e Rack mounting handles ……………………… 1 pair !1 3-conductor ″ plugs …………………………… 2 ⁄...
  • Page 5 ■ Linear amplifier connections …………………………………………… 2-7 D Connecting the IC-PW1 …………………………………………… 2-7 D Connecting a non-Icom linear amplifier …………………………… 2-7 ■ Transverter jack information …………………………………………… 2-8 ■ FSK and AFSK (SSTV) connections ………………………………… 2-8 ■ Microphone connector information …………………………………… 2-9 ■...
  • Page 6 TABLE OF CONTENTS 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 reverse mode …………………………………………4-14 D Twin peak filter ………………………………………………………4-14 D Functions for the RTTY decoder indication ………………………4-15 D Setting the decoder threshold level ………………………………4-15...
  • Page 7 TABLE OF CONTENTS 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 ……………………………………………………… 5-18 ■...
  • Page 8 TABLE OF CONTENTS ■ 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 ■...
  • Page 9 TABLE OF CONTENTS D Load option set mode …………………………………………… 12-22 ■ File saving …………………………………………………………… 12-23 ■ File loading …………………………………………………………… 12-24 ■ Changing the file name ……………………………………………… 12-25 ■ Deleting a file ………………………………………………………… 12-26 ■ Formatting the CF card ……………………………………………… 12-26 Section 13 MAINTENANCE ■...
  • Page 10 PANEL DESCRIPTION Section ■ Front panel ……………………………………………………………… 1-2 ■ Rear panel ……………………………………………………………… 1-12 ■ LCD display …………………………………………………………… 1-14 ■ Screen menu arrangement …………………………………………… 1-15...

  • Page 11: Panel Description

    PANEL DESCRIPTION ■ Front panel !1 !2 !3 q POWER SWITCH [POWER] (p. 3-2) r TIMER SWITCH [TIMER] (p. 11-4) ➥ Turns the sleep or daily timer function ON and Turn the internal power supply ON in advance. The OFF when pushed. internal power supply switch is located on the rear •...
  • Page 12 !3 MONITOR SWITCH [MONI] (p. 6-4) Recommended level for Monitors your transmitted IF signal. an Icom microphone • The CW sidetone functions regardless of [MONI] switch setting in CW mode. Decreases Increases • The [MONI] indicator above this switch lights green while the function is activated.
  • Page 13 PANEL DESCRIPTION ■ Front panel (continued) !9 AGC CONTROL [AGC] (for MAIN band; p. 5-11) @5 RF GAIN CONTROL [RF] (outer control; for MAIN @0 AGC CONTROL [AGC] (for SUB band; p. 5-11) band; p. 3-9) @6 RF GAIN CONTROL [RF] (outer control; for SUB Adjusts the AGC circuit time constant.
  • Page 14 PANEL DESCRIPTION ➥ Turns the speech compressor ON and @9 MULTI-FUNCTION SWITCHES OFF in SSB mode. (p. 6-5) Push to select the functions indicated in the LCD ➥ Switches the narrow, middle or wide display to the right of these switches. transmit filter when pushed for 1 sec.
  • Page 15 PANEL DESCRIPTION ■ Front panel (continued) #5 NOISE REDUCTION SWITCH [NR] (for MAIN $1 NOISE BLANKER SWITCH [NB] (for MAIN band; band; p. 5-18) p. 5-17) #6 NOISE REDUCTION SWITCH [NR] (for SUB band; $2 NOISE BLANKER SWITCH [NB] (for SUB band; p.
  • Page 16 PANEL DESCRIPTION $9 MEMORY UP/DOWN SWITCHES [Y]/[Z] (p. 8-2) %4 VOICE MEMORY PLAY BACK SWITCH [PLAY] Push to select the memory channel number for the (p. 7-4) ➥ Play back the previously recorded audio for the selected readout. • Memory channels can be selected both in VFO and preset time period when pushed.
  • Page 17 SWITCH [APF/TPF] (for SUB band) stacked frequencies in the band. (p. 3-4) ➥ Push to turn the audio peak filter ON and OFF • Icom’s triple band stacking register memorizes 3 fre- during CW mode operation. (p. 4-6) quencies in each band.
  • Page 18 PANEL DESCRIPTION ^6 NOTCH SWITCH [NOTCH] (for SUB band; p. 5-19) &2 AUTOMATIC TUNING SWITCH [AUTO TUNE] ^7 NOTCH SWITCH [NOTCH] (for MAIN band; p. 5-19) (for MAIN band) ➥ Switches the notch function between auto, man- &3 AUTOMATIC TUNING SWITCH [AUTO TUNE] ual and OFF in SSB and AM modes.
  • Page 19 PANEL DESCRIPTION ■ Front panel (continued) (5 (6 (7 *0 RIT/∂TX CONTROL [RIT/∂TX] (pgs. 5-10, 6-4) PBT1 Shifts the receive and/or transmit frequency without PBT2 changing the transmit and/or receive frequency while the RIT and/or ∂TX functions are ON. • Rotate the control clockwise to increase the frequency, or rotate the control counterclockwise to decrease the frequency.
  • Page 20 PANEL DESCRIPTION *5 DIGITAL RF SELECTOR CONTROL [DIGI-SEL] (2 RIT SWITCH [RIT] (p. 5-10) ➥ Turns the RIT function ON and OFF when (for MAIN band; p. 5-19) *6 DIGITAL RF SELECTOR CONTROL [DIGI-SEL] pushed. (for SUB band; p. 5-19) •...

  • Page 21: Rear Panel

    PANEL DESCRIPTION ■ Rear panel X-VERTER RX ANT RX ANT ANT 1 ANT 2 ANT 3 ANT 4 REF I/O DC OUT EXT - SP S/P DIF 10MHz EXT-DISPLAY KEY BOARD RS-232C REMOTE -10dBm MAX1A METER KEYPAD RELAY ACC 2 ACC 1 ACC 2 ACC 1...
  • Page 22 0 to –4 V DC. functions. @1 ALC INPUT JACK [ALC] (p. 2-7) ➥ Used for transceive operation with another Icom Connects to the ALC output jack of a non-Icom lin- CI-V transceiver or receiver. ear amplifier. #1 RS-232C TERMINAL [RS-232C] (p. 2-5) @2 T/R CONTROL JACK [RELAY] (p.

  • Page 23: Lcd Display

    PANEL DESCRIPTION ■ LCD display q BAND WIDTH INDICATOR (p. 5-12) !1 VFO/MEMORY CHANNEL INDICATOR (p. 3-3) Shows the passband width of the IF filter. Indicates the VFO mode or selected memory chan- nel number. w MODE INDICATOR !2 IF FILTER INDICATOR Shows the selected mode.

  • Page 24: Screen Menu Arrangement

    PANEL DESCRIPTION ■ Screen menu arrangement The following screens can be selected from the start Pushing [EXIT/SET] several times returns to the start up screen. Choose the desired screen using the fol- up screen. See p. 12-3 for set mode arrangement. lowing chart.

  • Page 25: Installation And Connections

    ■ Linear amplifier connections …………………………………………… 2-7 D Connecting the IC-PW1 …………………………………………… 2-7 D Connecting a non-Icom linear amplifier …………………………… 2-7 ■ Transverter jack information …………………………………………… 2-8 ■ FSK and AFSK (SSTV) connections ………………………………… 2-8 ■ Microphone connector information …………………………………… 2-9 ■...

  • Page 26: 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 Connect the supplied coaxial cable (terminated with BNC connectors) between [RX ANT A—...

  • Page 27: Conductor 1

    10 mm ≈ in 1–2 mm ≈ ⁄ ⁄ ⁄ tuner. The IC-7800 has an SWR meter to monitor the antenna SWR continuously. ■ CF (Compact Flash) memory card Insert the supplied CF (Compact Flash) memory Accessing indicator card into the CF memory card slot.

  • Page 28: Grounding

    INSTALLATION AND CONNECTIONS ■ Required connections D Front panel CW key A straight key can be used when the internal electronic keyer is turned OFF in keyer set mode. (p. 4-12) Microphones (p. 2-9) Optional Optional SM-20 HM-36 D Rear panel Antenna 1, 2, 3, 4 (p.

  • Page 29: Advanced Connections

    (pgs.2-8, 2-10) Used for computer control and transceive operation. for V/UHF band use. The optional CT-17 is required when con- External speaker (p. 15-4) necting a PC to [REMOTE]. [RELAY], [ALC] (p.2-7) Used for connecting a non-Icom linear amplifier. SP-20 (option)

  • Page 30: D Rear Panel

    INSTALLATION AND CONNECTIONS D Rear panel— 2 External Display Keyboard Connects an USB type Connects a monitor dis- PC keyboard directly for play (at least 800×600 [DC OUT] RTTY/PSK31 operation, resolution) directory. Outputs regulated 14 V as well as other text edit Video output signal can (approx.) DC for external operation.

  • Page 31: Linear Amplifier Connections

    16 V/0.5 A with initial setting, and 250 V/200 mA with “MOS-FET” setting (see p. 12-9 for details). Use an external relay unit when your non-Icom linear ampli- RF OUTPUT RF INPUT fier require the control level that higher voltage SEND and/or larger current capacity.

  • Page 32: Transverter Jack Information

    INSTALLATION AND CONNECTIONS ■ Transverter jack information When 2 to 13.8 V is applied to pin 6 of [ACC 2], the [X- VERTER] connector is activated for transverter 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 terminal from an external transverter.

  • Page 33: Microphone Connector Information

    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]/[DN]...

  • Page 34: Accessory Connector Information

    INSTALLATION AND CONNECTIONS ■ Accessory connector information ACC 1 PIN No. NAME DESCRIPTION SPECIFICATIONS “High” level : More than 2.4 V RTTY Controls RTTY keying “Low” level : Less than 0.6 V Output current : Less than 2 mA GND Connects to ground. Connected in parallel with ACC 2 pin 2.

  • Page 35: Basic Operations

    BASIC OPERATIONS Section ■ 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 band stacking registers ………………………………… 3-4 ■...

  • Page 36: When First Applying Power (Cpu Resetting)

    BASIC OPERATIONS ■ 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 programmed values in set mode to default values.

  • Page 37: Main/Sub Band Selection

    BASIC OPERATIONS ■ Main/Sub band selection The IC-7800 has 2 bands, main and sub bands. 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 accessed to the se- lected band and the transmission is only permitted for the main band (except the split frequency operation).

  • Page 38: Selecting An Operating Band

    BASIC OPERATIONS ■ Selecting an operating band The triple band stacking register provides 3 memories Band keys in one band. 3 sets of a frequency and operating mode on each band are automatically stored when used. If a band key is pushed once, the frequency and oper- ating mode last used are called up.

  • Page 39: Frequency Setting

    BASIC OPERATIONS ■ Frequency setting The transceiver has several tuning methods for conve- nient frequency tuning. D Tuning with the main dial q Push the desired band key on the keypad 1–3 Band keys times. • 3 different frequencies can be selected on each band with the band key.

  • Page 40: D Quick Tuning Step

    BASIC OPERATIONS 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- grammed kHz steps.

  • Page 41: D Selecting 1 Hz Step

    BASIC OPERATIONS 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.

  • Page 42: Operating Mode Selection

    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 the desired mode switch momentarily.

  • Page 43: Volume Setting

    BASIC OPERATIONS ■ Volume setting ➥ Rotate [AF] control clockwise to increase; counter- clockwise to decrease the audio output level. • Set a suitable audio level. [AF] for main [AF] for sub Audio output increases Audio output decreases ■ RF gain adjustment ➥...

  • Page 44: Meter Indication Selection

    Indicates the drain’s terminal voltage of the final FETs. D Multi-function digital meter The IC-7800 can display the multi-function digital meter in the LCD display, which displays all transmit meters simultaneously. q Push [METER] for 1 sec. to turn the multi-function “P-HOLD”...

  • Page 45: D Meter Type Selection

    BASIC OPERATIONS D Meter type selection 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.

  • Page 46: Basic Transmit Operation

    BASIC OPERATIONS ■ Basic transmit operation Before transmitting, monitor your selected oper- ating frequency to make sure transmitting won’t cause interference to other stations on the same frequency. It’s good Amateur practice to listen first, and then, even if nothing is heard, ask “is the frequency in use”...

  • Page 47: D Drive Gain Adjustment

    BASIC OPERATIONS D Drive gain adjustment The drive gain can be activated for the all modes ex- cept SSB without speech compressor to adjust the am- plifying gain at the drive stage. Before transmitting, monitor your selected operating [METER] [DRIVE] frequency to make sure transmitting won’t cause inter- ference to other stations on the same frequency.

  • Page 48: Receive And Transmit

    RECEIVE AND TRANSMIT Section ■ 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 functions for receive ……………………………………4-4 D Convenient functions for transmit ……………………………………4-5 D About CW reverse mode ……………………………………………4-5 D About CW pitch control ………………………………………………4-5...

  • Page 49: Operating Ssb

    RECEIVE AND TRANSMIT ■ Operating SSB q Push a band key to select the desired band. [MIC] [TX] indicator [RX] indicator Band keys 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.

  • Page 50: D Convenient Functions For Transmit

    FCC, show the center frequency of their To assist you in operating the 5 MHz band correctly passband. However, the IC-7800 displays carrier within the rules specified by the FCC, transmission point frequency, so set 1.5 kHz below from FCC is impossible on any 5 MHz band frequency other channel center frequency.

  • Page 51: Operating Cw

    RECEIVE AND TRANSMIT ■ Operating CW q Push a band key to select the desired band. [TX] indicator w Push [CW] to select CW. [KEY SPEED] [RX] indicator Band keys • After CW mode is selected, push [CW] to toggle be- tween CW and CW-R modes.

  • Page 52: D Convenient Functions For Transmit

    RECEIVE AND TRANSMIT D Convenient functions for 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 set to ON, respectively. D About CW reverse mode CW-R (CW Reverse) mode receives CW signals with a reverse side CW carrier point like that of LSB and USB...

  • Page 53: D Apf (Audio Peak Filter) Operation

    D About 137 kHz band operation (Europe, UK, Italy, Spain, France versions only) 137 kHz band, within 135.7 kHz to 137.8 kHz range, operation in CW mode is optionally available with the IC-7800. The RF signal from [X-VERTER] is used for the 137 kHz band operation, and an external amplifier unit is necessary.

  • Page 54: Electronic Keyer Functions

    RECEIVE AND TRANSMIT ■ Electronic keyer functions The IC-7800 has a number of convenient functions for the electronic keyer that can be accessed from the memory keyer menu. q During CW mode, push [EXIT/SET] several times to normal screen, if necessary.

  • Page 55: D Memory Keyer Screen

    RECEIVE AND TRANSMIT 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 the break-in function ON (p.

  • Page 56: D Editing A Memory Keyer

    Contents When a PC keyboard is connected to [KEYBOARD] connector on the rear panel, the memory keyer con- M1 CQ TEST CQ TEST DE ICOM ICOM TEST tents can also be edited from the keyboard. M2 UR 5NN✱ BK M3 CFM TU t Push [F-1•Ω] or [F-2•≈] to move the cursor back-...

  • Page 57: D Contest Number Set Mode

    RECEIVE AND TRANSMIT 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 number set mode.

  • Page 58: D Keyer Set Mode

    RECEIVE AND TRANSMIT D Keyer set mode This set mode is used to set the CW side tone, mem- ory keyer repeat time, dash weight, paddle specifica- tions, keyer type, etc. • Setting contents q During CW mode operation, push [F-3•KEYER] to select memory keyer screen.
  • Page 59 RECEIVE AND TRANSMIT D Keyer set mode (continued) This item sets the paddle polarity. • Normal and reverse polarity can be selected. This item selects the keyer type for [ELEC-KEY] con- • ELEC-KEY, BUG-KEY and Straight key can be se- nector on the front panel.

  • Page 60: Operating Rtty (Fsk)

    1 sec. to toggle between RTTY and RTTY-R modes. • “RTTY” or “RTTY-R” appears. e Push [F-3•DECODE] to display the decoder screen. • The IC-7800 has a Baudot decoder. r To tune into the desired signal, make symmetrical wave form and ensure the waves peak points align...

  • Page 61: D Convenient Functions For Receive

    RECEIVE AND TRANSMIT D Convenient functions for receive • Preamp (p. 5-9) • Noise reduction (p. 5-18) ➥ Push [P.AMP] several times to set the preamp ➥ Push [NR] switch to turn the noise reduction ON OFF, preamp 1 ON or preamp 2 ON. and OFF.

  • Page 62: D Functions For The Rtty Decoder Indication

    RECEIVE AND TRANSMIT D Functions for the RTTY decoder indication q Push a band key to select the desired band. [F-3•CLR] [F-6•MAIN/SUB] [F-7•WIDE] 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. •...

  • Page 63: D Rtty Memory Transmission

    RECEIVE AND TRANSMIT 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.

  • Page 64: D Editing Rtty Memory

    ↵73 GL SK↵ 73 GL SK ting, ! $ & ? “ ‘ – / . , : ; ( ) ↵ are CQ CQ CQ ↵CQ CQ CQ DE ICOM ICOM ICOM selectable.) K↵ ↵MY TRANSCEIVER IS IC–7800 &...

  • Page 65: D Rtty Decode Set Mode

    RECEIVE AND TRANSMIT 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] [F-3•Ω ≈] [F-7•WIDE] to select RTTY decode screen. w Push [F-1•<MENU2>] to select RTTY decode menu 2, then push [F-6•SET] to select RTTY decode set mode.
  • Page 66 RECEIVE AND TRANSMIT D RTTY decode set mode (continued) Turn the time stamp (date, transmission or reception • ON : Indicates the time stamp. time) indication ON and OFF. • OFF : No time stamp indication. Selects the clock indication for time stamp usage. •...

  • Page 67: D Data Saving

    RECEIVE AND TRANSMIT 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-5•OPTION] [F-6•SAVE] [F-7•WIDE] [F-1•<MENU1>] to select RTTY decode menu 2. w Push [F-5•SAVE] to select decode file save screen.

  • Page 68: Operating Psk

    RECEIVE AND TRANSMIT ■ Operating PSK The PSK31 encoder/decoder is built-in to the IC-7800. When connecting a PC keyboard (p. 2-6), PSK31 op- eration can be performed without a PSK operation soft- ware installed PC. When using your PSK operation software, consult the manual that comes with the software.

  • Page 69: D Convenient Functions For Receive

    RECEIVE AND TRANSMIT D Convenient functions for receive • Preamp (p. 5-9) • Noise reduction (p. 5-18) ➥ Push [P.AMP] several times to set the preamp ➥ Push [NR] switch to turn the noise reduction ON OFF, preamp 1 ON or preamp 2 ON. and OFF.

  • Page 70: D Functions For The Psk Decoder Indication

    RECEIVE AND TRANSMIT D Functions for the PSK decoder indication q Push a band key to select the desired band. [F-3•CLR] [F-6•MAIN/SUB] [F-7•WIDE] 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.

  • Page 71: D Psk Memory Transmission

    RECEIVE AND TRANSMIT 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 memory bank then push one of the function keys ([F-1•PT1] to [F-4•PT4] or [F-1•PT5] to [F-4•PT8]).

  • Page 72: D Editing Psk Memory

    BK↵ (“↵” is for the memory contents set- ↵73 GL SK↵ 73 GL SK ting only.) CQ CQ CQ ↵CQ CQ CQ DE Icom Icom Icom K↵ ✔ For your convenience ↵My transceiver is IC–7800 & RIG&ANT When a PC keyboard is connected to [KEYBOARD] Antenna is a 3–element triband...

  • Page 73: D Psk Decode Set Mode

    RECEIVE AND TRANSMIT 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] [F-3•Ω ≈] [F-7•WIDE] to select PSK decode screen. w Push [F-1•<MENU2>] to select PSK decode menu 2, then push [F-6•SET] to select PSK decode set mode.
  • Page 74 RECEIVE AND TRANSMIT D PSK decode set mode (continued) Set the text color for transmitted characters. • The color is set in RGB format. • Push [F-3•Ω ≈] to select R (Red), G (Green) and B (Blue), and rotate the ratio from 0 to 255 range. •...

  • Page 75: D Data Saving

    RECEIVE AND TRANSMIT 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-5•OPTION] [F-6•SAVE] [F-7•WIDE] [F-1•<MENU1>] to select PSK decode menu 2. w Push [F-5•SAVE] to select decode file save screen.

  • Page 76: Operating Am

    RECEIVE AND TRANSMIT ■ Operating AM q Push a band key to select the desired band. [TX] indicator w Push [AM/FM] to select AM. [MIC] [RX] indicator Band keys • “AM” indicator appears. • After AM mode is selected, push [AM/FM] to toggle be- tween AM and FM modes.

  • Page 77: D Convenient Functions For Transmit

    RECEIVE AND TRANSMIT D Convenient functions for transmit • VOX (voice operated transmit) (p. 6-2) • Audio tone control (p. 12-4) ➥ Push [VOX/BK-IN] to turn the VOX function ON ➥ Push [F-7•SET] then [F-1•LEVEL] to enter level and OFF. set mode.

  • Page 78: Operating Fm

    RECEIVE AND TRANSMIT ■ Operating FM q Push a band key to select the desired band. [TX] indicator w Push [AM/FM] to select FM. [MIC] [RX] indicator Band keys • “FM” indicator appears. • After FM mode is selected, push [AM/FM] to toggle be- tween FM and AM modes.

  • Page 79: Repeater Operation

    RECEIVE AND TRANSMIT ■ 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 frequency set to the repeater’s offset frequency.

  • Page 80: Tone Squelch Operation

    RECEIVE AND TRANSMIT ■ 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 [TONE] [F-4•DEF] mode.

  • Page 81: Data Mode (Afsk) Operation

    RECEIVE AND TRANSMIT ■ Data mode (AFSK) operation When operating AMTOR or PACKET with your TNC and/or PC software, consult the manual that comes with the TNC and/or the software. q Connect a PC and TNC to the transceiver. (p. 2-8) Band keys w Push a band key to select the desired band.

  • Page 82: Functions For Receive

    FUNCTIONS FOR RECEIVE Section ■ 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 ……………………………………………………………… 5-9 ■ Attenuator ……………………………………………………………… 5-9 ■...

  • Page 83: Spectrum Scope Screen

    The IC-7800 has two modes for the spectrum indica- tion— one is center mode, and anther one is fix mode. In addition, the IC-7800 has a mini scope screen for regular scope indication. D Center mode Displays signals around the set frequency within the selected span.

  • Page 84: D Fix Mode

    FUNCTIONS FOR RECEIVE D Fix mode Displays signals within the specified frequency range. The selected frequency band conditions can be grasped at a glance when using this mode. q Push [EXIT/SET] several times to close a multi- [F-2•ATT] [F-4•HOLD] [F-5•CENT/FIX] function screen, if necessary.

  • Page 85: D Mini Scope Screen Indication

    FUNCTIONS FOR RECEIVE D Mini scope screen indication The mini scope screen can be displayed with another screen indication, 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.
  • Page 86 FUNCTIONS FOR RECEIVE D Scope set mode (continued) Turn the peak level holding function ON and OFF. Select the center frequency of the spectrum scope • Filter center : Shows the selected filter’s center indication (center mode only). frequency at the center. •...
  • Page 87 FUNCTIONS FOR RECEIVE D Scope set mode (continued) 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 FAST.
  • Page 88 FUNCTIONS FOR RECEIVE D Scope set mode (continued) Set the scope edge frequencies for fix mode scope • Set the frequencies within 8.000 to 11.000 MHz when 8 to 11 MHz band is selected. range in 1 kHz steps. Up to 500 kHz band width can be specified, so either edge frequency will be set to the differ- ence between higher and lower frequencies become 5 to 500 kHz automatically while setting...
  • Page 89 FUNCTIONS FOR RECEIVE D Scope set mode (continued) Set the scope edge frequencies for fix mode scope • Set the frequencies within 26.000 to 30.000 MHz when 26 to 30 MHz band is selected. range in 1 kHz steps. Up to 500 kHz band width can be specified, so either edge frequency will be set to the differ- ence between higher and lower frequencies become 5 to 500 kHz automatically while setting...
  • Page 90 FUNCTIONS FOR RECEIVE ■ Preamplifier The preamp amplifies received signals in the front end circuit to improve the S/N ratio and sensitivity. Set this to preamp 1 or preamp 2 when receiving weak signals. ➥ Push [P.AMP] several times to set the preamp OFF, [P.AMP] preamp 1 ON or preamp 2 ON.

  • Page 91: Rit Function

    FUNCTIONS FOR RECEIVE ■ 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. [RIT/∂TX] [RIT] •...

  • Page 92: D Selecting The Preset Value

    FUNCTIONS FOR RECEIVE ■ AGC function The AGC (auto gain control) controls receiver gain to [AGC] control for main [AGC] control for sub produce a constant audio output level even when the received signal strength is varied by fading, etc. The transceiver has 3 AGC characteristics (time con- stant;...

  • Page 93: Twin Pbt Operation

    FUNCTIONS FOR RECEIVE ■ Twin PBT operation General PBT (Passband Tuning) function electronically narrows the IF passband width by shifting the IF fre- quency to slightly outside of the IF filter passband to reject interference. This transceiver uses the DSP cir- cuit for the PBT function.

  • Page 94: If Filter Selection

    FUNCTIONS FOR RECEIVE ■ IF filter selection The transceiver has 3 passband width IF filters for [FILTER] for main [FILTER] for sub 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.

  • Page 95: D Roofing Filter Selection

    FUNCTIONS FOR RECEIVE D Roofing filter selection The IC-7800 has 6 kHz roofing filter. The roofing filter allows you an interference reduction from nearby strong signals. q Push [FILTER] for 1 sec. to enter filter set screen. w Select any mode except FM.
  • Page 96 FUNCTIONS FOR RECEIVE D Filter shape set mode (continued) Select the filter shape for CW mode in HF bands. The set filter shape is automatically used only when the IF filter that 500 Hz or narrower setting is set. Select the filter shape for CW mode in HF bands. The set filter shape is automatically used only when the IF filter that 600 Hz or wider setting is set.

  • Page 97: Dualwatch Operation

    FUNCTIONS FOR RECEIVE ■ Dualwatch operation Dualwatch monitors 2 frequencies simultaneously. The IC-7800 has 2 independent receiver circuits to allow you to a dualwatch even in different frequency band and mode. q Set the desired frequency and mode into the main...

  • Page 98: Noise Blanker

    FUNCTIONS FOR RECEIVE ■ Noise blanker The noise blanker eliminates pulse-type noise such as from car ignitions. The noise blanker is not available for FM mode. q Push [NB] to turn the noise blanker function ON and [NB] for main [NB] for sub OFF.

  • Page 99: Noise Reduction

    FUNCTIONS FOR RECEIVE ■ Noise reduction The noise reduction function reduces noise compo- nents and picks out desired signals which are buried in noise. The received signals are converted to digital signals and then the desired signals are separated from the noise. q Push the [NR] to turn the noise reduction ON.

  • Page 100: Notch Function

    FUNCTIONS FOR RECEIVE ■ Notch function This transceiver has auto and manual notch functions. [NOTCH] control for main [NOTCH] control for sub The auto notch function automatically attenuates more than 3 beat tones, tuning signals, etc., even if they are moving.

  • Page 101: Functions For Transmit

    FUNCTIONS FOR TRANSMIT Section ■ 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 …………………………………………… 6-3 D Full break-in operation ………………………………………………...

  • Page 102: Vox Function

    FUNCTIONS FOR TRANSMIT ■ VOX function The VOX (Voice-Operated Transmission) function switches between transmit and receive with your voice. This function provides an opportunity to input log en- tries into your computer, etc., while operating. D Using the VOX function q Select a phone mode (SSB, AM, FM).

  • Page 103: Break-In Function

    ■ 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 Semi break-in operation During semi break-in operation, the transceiver selects transmit when keying, then automatically returns to re- ceive after a pre-set time from when you stop keying.

  • Page 104: Tx Function

    FUNCTIONS FOR TRANSMIT ■ ∂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].

  • Page 105: Transmit Filter Width Setting (Ssb Only)

    FUNCTIONS FOR TRANSMIT ■ 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] [COMP] for 1 sec. several times to select the desired trans- mit filter width from wide, middle and narrow.

  • Page 106: Split Frequency Operation

    FUNCTIONS FOR TRANSMIT ■ 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 basically performed using 2 frequencies on the main and sub readouts. The following is an example of setting 21.290 MHz for receiving and 21.310 MHz for transmitting.

  • Page 107: Quick Split Function

    FUNCTIONS FOR TRANSMIT ■ 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 frequency input.

  • Page 108: Voice Recorder Functions

    VOICE RECORDER FUNCTIONS Section ■ 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 ………………………………………………………… 7-4 D One-touch playing ……………………………………………………...

  • Page 109: About Digital Voice Recorder

    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 sec. can be recorded into a receive channel and the total message length of up to 209 sec., and a total message length of...

  • Page 110: Recording A Received Audio

    ■ 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 channel is 30 sec.

  • Page 111: D Basic Playing

    VOICE RECORDER FUNCTIONS ■ Playing the recorded audio 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.

  • Page 112: Protect The Recorded Contents

    VOICE RECORDER FUNCTIONS ■ 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.

  • Page 113: Recording A Message For Transmit

    To transmit a message using a 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.

  • Page 114: Programming A Memory Name

    VOICE RECORDER FUNCTIONS ■ Programming a memory name Memory channels can be tagged with alphanumeric names of up to 20 characters each. Capital letters, small letters, numerals, some symbols (! # $ % & ¥ ? “ ‘ ` ^ + – ✱ / . , : ; = < > ( ) [ ] { } | _ ~ @) and spaces can be used.

  • Page 115: Sending A Recorded Message

    VOICE RECORDER FUNCTIONS ■ 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.

  • Page 116: Voice Set Mode

    VOICE RECORDER FUNCTIONS ■ 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.

  • Page 117: Saving A Voice Memory Into The Cf Card

    VOICE RECORDER FUNCTIONS ■ Saving a voice memory into the CF memory card 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 indica- [F-6•SAVE] [F-7•WIDE] tion, push [F-6•SAVE] to select voice file save screen.

  • Page 118: Memory Operation

    MEMORY OPERATION Section ■ 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 using the memory list screen …… 8-3 D Confirming programmed memory channels ………………………...

  • Page 119: Memory Channels

    MEMORY OPERATION ■ Memory channels The transceiver has 101 memory channels. The mem- ory mode is very useful for quickly changing to often- used frequencies. All 101 memory channels are tuneable which means the programmed frequency can be tuned temporarily with the main dial, etc.

  • Page 120: D Selecting A Memory Channel Using The Memory List Screen

    MEMORY OPERATION ■ 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.

  • Page 121: Memory Channel Programming

    MEMORY OPERATION ■ Memory channel programming Memory channel programming can be preformed ei- ther in VFO mode or in memory mode. D Programming in VFO mode q Set the desired frequency, operating mode and fil- ter width in VFO mode. w Push [Y]/[Z] several times to select the desired memory channel.

  • Page 122: Frequency Transferring

    MEMORY OPERATION ■ 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 TRANSFERRING EXAMPLE IN VFO MODE Operating frequency : 21.320 MHz/USB (VFO) VFO.

  • Page 123: Memory Names

    MEMORY OPERATION ■ Memory names All memory channels (including scan edges) can be tagged with alphanumeric names of up to 10 charac- ters each. Capital letters, small letters, numerals, some symbols (! # $ % & ¥ ? " ’ ` ^ + – ✱ / . , : ; = < > ( ) [ ] { } | _ and spaces can be used.

  • Page 124: Memo Pads

    MEMORY OPERATION ■ Memo pads The transceiver has a memo pad function to store fre- quency and operating mode for easy write and recall. The memo pads are separate from memory channels. The default number of memo pads is 5, however, this can be increased to 10 in set mode if desired.

  • Page 125: Scans

    SCANS Section ■ 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 ■ Fine programmed scan/∂F scan ……………………………………… 9-5 ■...

  • Page 126: Scan Types

    SCANS ■ 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. ∂F SCAN PROGRAMMED SCAN Repeatedly scans within ∂F span area. Repeatedly scans between two scan edge frequencies (scan edge memory channels P1 and P2).

  • Page 127: Voice Squelch Control Function

    SCANS ■ 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 the tone of the voice components changes within 1 sec., scan pauses (or stops).

  • Page 128: Programmed Scan Operation

    SCANS ■ 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] open or closed.
  • Page 129 SCANS ■ Fine programmed scan/fine ∂F scan Fine scan functions as programmed or ∂F scan, but scan speed decreases when the squelch opens but does not stop. The scanning tuning step shifts from 50 Hz to 10 Hz while the squelch opens. q Push [EXIT/SET] several times to close a multi-func- tion screen, if necessary.

  • Page 130: Memory Scan Operation

    SCANS ■ 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 scan.

  • Page 131: Setting Select Memory Channels

    SCANS ■ 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.

  • Page 132: Tone Scan

    SCANS ■ Tone scan The transceiver can detect the subaudible tone fre- quency in a received signal. By monitoring a signal that is being transmitted on a repeater input frequency, you can determine the tone frequency required to access the repeater. q Set the desired frequency or memory channel to be [TONE] [F-4•DEF]...

  • Page 133: Antenna Tuner Operation

    ANTENNA TUNER OPERATION Section ■ 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 operation ……………………………………………… 10-5 D Tuner operation ……………………………………………………...

  • Page 134: Antenna Connection And Selection

    [ANT] 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 band, the previously used antenna is automat- ically selected (see below) for the new band.

  • Page 135: Antenna Memory Settings

    ANTENNA TUNER OPERATION ■ Antenna memory settings Storing the antenna connector number for each fre- quency band to suit your antenna system. q Push [EXIT/SET] several times to close multi-func- [ANT] Band keys 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.

  • Page 136: D Temporary Memory

    ANTENNA TUNER OPERATION ■ Antenna memory settings (continued) D Temporary memory The antenna temporary memory memorize the manu- ally selected antenna. The selected antenna will be re- called even the frequency band has been changed. q Select the antenna set screen. w Push [F-4•TEMP-M] to turn the temporary memory ON and OFF.

  • Page 137: Antenna Tuner Operation

    ANTENNA TUNER OPERATION ■ Antenna tuner operation The internal automatic antenna tuner matches the transceiver to the connected antenna automatically. Once 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 the frequency range, the variable ca- pacitors are automatically preset to the memorized point.

  • Page 138: D If The Tuner Cannot Tune The Antenna

    ANTENNA TUNER OPERATION ■ 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 frequency.

  • Page 139: Clock And Timers

    CLOCK AND TIMERS Section ■ Time set mode ………………………………………………………… 11-2 ■ Daily timer setting ……………………………………………………… 11-3 ■ Setting sleep timer …………………………………………………… 11-4 ■ Timer operation ………………………………………………………… 11-4 11-1...

  • Page 140: Time Set Mode

    CLOCK AND TIMERS ■ Time set mode The IC-7800 has a built-in calender and 24-hour clock [ABC]/[abc] [123]/[Symbol] [F-3•Ω ≈][F-5•EDIT]/[F-5•SET] with daily power ON/OFF timer functions. Before oper- ating these timer functions, set the current date and time, etc. q Push [EXIT/SET] to close multi-function screen, if necessary.

  • Page 141: Daily Timer Setting

    CLOCK AND TIMERS ■ Daily timer setting The transceiver turns power ON and/or OFF automat- ically on the specified day of the week and time with the specified frequency settings in each main and sub readout. q Push [EXIT/SET] several times to close multi-func- [F-2•TIMER2]/[F-2•≈] [F-4•TIMER4]/[F-4•CLR] [F-7•SET]...

  • Page 142: Setting Sleep Timer

    CLOCK AND TIMERS ■ 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- [F-4•CLR] [F-7•SLEEP]/[F-7•SET] tion screen, if necessary.

  • Page 143: Set Mode

    SET MODE Section ■ 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 ■ Miscellaneous (Others) set mode ………………………………… 12-13 ■...

  • Page 144: Set Mode Description

    SET MODE ■ 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 and miscellaneous (others) set mode. D Set mode operation q Push [EXIT/SET] several times to close a multi- [F-3•DISP]...

  • Page 145: D Screen Arrangement

    SET MODE D Screen arrangement • Display set mode (p. 12-11) • Set mode menu screen (p. 12-2) • Time set mode (p. 11-2) • Level set mode (p. 12-4) • Miscellaneous (Others) set mode (p. 12-13) • ACC set mode (p. 12-6) •...

  • Page 146: Level Set Mode

    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.

  • Page 147: Level Set Mode

    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 for wide setting Lower freq.

  • Page 148: Acc Set Mode

    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 audio from the right.

  • Page 149: Acc Set Mode

    SET MODE ■ ACC set mode (continued) Sets the desired audio input level for modulation from • Approx. 100 mV at 50% (default) setting. [ACC1–B]. Sets the desired input level for modulation from [S/P DIF], within 0 to 100% in 1% steps. (default: 50%) Selects the desired connector(s) for modulation input •...
  • Page 150 SET MODE ■ ACC set mode (continued) Selects the desired connector(s) for modulation input • MIC : Use the signals from [MIC]. when data 2 mode (D2) is in use. • ACC-A : Use the signals from [ACC1–A] (pin 4). •...
  • Page 151 (16 V DC/0.5 A max.; default) Select the suitable relay type when connecting a non- • MOS-FET : Use semiconductor type relay. Icom linear amplifier. (200 mA/250 V max.) Selects the desired item for an external meter indica- • Auto : Outputs the receiving signal strength level tion (main readout).
  • Page 152 IN, OFF and OUT. 7800. • OFF : Not input/output the reference signal. (default) • OUT : Outputs the IC-7800 reference signal to ex- ternally connected equipment(s) for their ref- erence. NOTE: When the applied reference signal has off- frequency, the IC-7800 may not work properly.

  • Page 153: Display Set Mode

    SET MODE ■ Display set mode Adjusts the LCD unit brightness within 0 (dark) to 100% (bright) range in 1% steps. (default: 50%) Adjusts the switch indicators brightness within 1 (dark) to 100 (bright) range in 1 steps. (default: 80) Selects the desired display type from A, B and C.

  • Page 154: Display Set Mode

    SET MODE ■ Display set mode (continued) Sets the memory name indication, during memory • ON : The programmed memory name is displayed mode operation, ON and OFF. (default: ON) above the frequency indication. • OFF : No memory name is displayed even a mem- ory name is programmed.

  • Page 155: Miscellaneous (Others) Set Mode

    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 pushed to con- firm it.
  • Page 156 SET MODE ■ Miscellaneous (Others) set mode (continued) When this item is set to ON, pushing [SPLIT] for 1 See p. 6-7 for details. sec. sets the sub readout frequency to the main read- out frequency and activates split operation. (default: ON) Sets the offset (difference between transmit and re- ceive frequencies) for the quick split function.
  • Page 157 SET MODE ■ Miscellaneous (Others) set mode (continued) Selects the transverter operation condition from Auto • ON : Turn the transverter operation ON. and ON. (default: Auto) • Auto : The transceiver turns into transverter opera- tion condition when 2 to 13.8 V DC is applied to [ACC2–A/B] pin 6.
  • Page 158 SET MODE ■ Miscellaneous (Others) set mode (continued) The IC-7800 speech processor has frequency, mode and signal level announcement. Signal level an- nouncement can be deactivated if desired. (default: ON) When “OFF” is selected, the signal level is not an- nounced.
  • Page 159 SET MODE ■ Miscellaneous (Others) set mode (continued) Sets the rate at which frequencies are scanned when • HIGH : High speed (default; 50 tuning steps/sec.) the microphone [UP]/[DN] switches are pushed and • LOW : Low speed (25 tuning steps/sec.) held.
  • Page 160 SET MODE ■ Miscellaneous (Others) set mode (continued) Selects the displayed frequency shift function from • ON : The displayed frequency shifts when the op- ON and OFF. (default: OFF) erating mode is changed between SSB and When this function is activated, the receiving signal •...
  • Page 161 To distinguish equipment, each CI-V transceiver has its own Icom standard address in hexadecimal code. The IC-7800’s address is 6Ah. When 2 or more IC-7800’s are connected to an op- tional CT-17 , rotate the main dial V LEVEL CONVERTER to select a different address for each IC-7800 in the range 01h to 7Fh.
  • Page 162 When a key of the connected keyboard is pressed and held, the character is repeatedly input with the set speed. Sets IP address for the IC-7800. Turn the transceiver power OFF then ON to effective the setting. Sets subnet mask for the IC-7800.

  • Page 163: Cf Card Set Menu

    SET MODE ■ CF card set menu D CF card set screen arrangement • CF card set menu • Format menu (p. 12-26) • Setting load screen (p. 12-24) • Setting save screen (p. 12-23) • Load option set mode (p. 12-22) •...

  • Page 164: D Load Option Set Mode

    SET MODE D Load option set mode Selects file loading condition from All and Select. • All : Loads and sets the all following contents. (default: Select) The following items cannot be selected. • Select : Loads and sets the selected contents only. Selects the antenna memory setting loading condition •...

  • Page 165: File Saving

    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-4•EDIT] [F-5•OPTION] [F-7•WIDE]/[F-7•CANCEL] [F-7•CF CARD] to select CF card set menu screen. w Push [F-2•SAVE] to select setting save screen.

  • Page 166: File Loading

    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 re-set to one IC-7800. q During set mode menu screen indication, push [F-4•LOAD]...

  • Page 167: Changing The File Name

    SET MODE ■ 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 indication, push [F-4•Ω ≈] [F-5•REN/DEL] [F-7•WIDE]/[F-7•CANCEL] [F-1•DIR/FILE] to selects tree view screen. •...

  • Page 168: Deleting A File

    SET MODE ■ Deleting a file RECOMMENDATION! Deleted setting file never re- storable. Confirm the contents before deleting a set- ting file is recommended. q During setting save screen indication, push [F- 1•DIR/FILE] to select tree view screen. • Push [F-2•Y] or [F-3•Z] to select the desired folder. •...

  • Page 169: Maintenance

    MAINTENANCE Section ■ 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 synthesizer operation ………………………………………… 13-3 ■ SWR reading …………………………………………………………… 13-4 ■...

  • Page 170: Troubleshooting

    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 Transceiver power PROBLEM POSSIBLE CAUSE SOLUTION REF.

  • Page 171: D Scanning

    Light Heavy ■ Voice synthesizer operation The IC-7800 has built-in voice synthesizer to announce the frequency, mode, etc. (S-meter level can also be announced—p. 12-16) in clear, electronically-gener- ated voice, in English (or Japanese). ➥ Push [SPEECH] to announce the currently selected frequency, etc.

  • Page 172: Swr Reading

    52V V ■ Screen type and font selections 3 types of screen images and 18 types of frequency readout indication fonts are available in the IC-7800. • Screen image example— type C q Push [EXIT/SET] several times to close multi-func- tion screen, if necessary.

  • Page 173: Frequency Calibration (Approximate)

    However, a rough check may be performed by receiving radio sta- tion WWVH, or other standard frequency signals. CAUTION: The IC-7800 has been thoroughly ad- justed and checked at the factory before being shipped. You should not calibrate frequencies, ex- cept for special reasons.

  • Page 174: Opening The Transceiver's Case

    ■ Clock backup battery replacement The IC-7800 has a lithium backup battery (CR2032) in- side for clock and timer functions. The usual life of the backup battery is approximately 2 years.

  • Page 175: Fuse Replacement

    MAINTENANCE ■ Fuse replacement When no external DC output is available from [EXT DC] and ACC connectors, the internal fuse may be damaged. Replace the fuse in this case. WARNING: DISCONNECT the AC power cable from the AC outlet before removing the transceiver’s cover.

  • Page 176: About Protection Indications

    MAINTENANCE ■ About protection indications The IC-7800 has a 2-step protection function to protect the power amplifiers as follow. 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 100 W.

  • Page 177: Control Command

    CONTROL COMMAND Section ■ 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 …………………………………………… 14-9 D Codes for memory keyer contents ………………………………...

  • Page 178: Remote Jack (Ci-V) Information

    RS-232C port. The Icom Communications Interface-V 9–15 V (CI-V) controls the following functions of the trans- ceiver. Up to 4 Icom CI-V transceivers or transceivers can be connected to a PC equipped with an RS-232C port. personal computer See pgs. 12-18, 12-19 for setting the CI-V condition ct- 17 using set mode.

  • Page 179: D Command Table

    CONTROL COMMAND D Command table Command Sub command Description Command Sub command Description — Send frequency data — Select/read attenuator (0=OFF; 1=3 dB; 2=6 dB; 3=9 dB; 4=12 dB; Same as Send mode data 5=15 dB; 6=18 dB; 7=21 dB) command 06 00 + RX ANT Select/read ANT1 selection...
  • Page 180 CONTROL COMMAND D Command table (continued) Command Sub command Description Command Sub command Description Read squelch condition 050011 Send/read FM RX Tone (Bass) Read S-meter level level (0 =–5 to 10=+5) Read RF power meter 050012 Send/read FM RX Tone (Treble) Read SWR meter level (0=–5 to 10=+5) Read ALC meter...
  • Page 181 CONTROL COMMAND D Command table (continued) Command Sub command Description Command Sub command Description 050035 Send/read the band selection for 050057 Send/read opening message indi- operating frequency band signal cation (0=OFF, 1=ON) output to ACC-A. (0=MAIN, 050058 Send/read opening message con- 1=SUB, 2=TX) tents (see p.
  • Page 182 CONTROL COMMAND D Command table (continued) Command Sub command Description Command Sub command Description 050087 Send/read main dial function 050115 Send/read scope sweep speed (0=MAIN, 1=MAIN+SUB) for ±2.5 kHz span 050088 Send/read main dial auto TS (0=Slow, 1=Mid., 2=Fast) (0=OFF, 1=Low, 2=High) 050116 Send/read scope sweep speed 050089...
  • Page 183 CONTROL COMMAND D Command table (continued) Command Sub command Description Command Sub command Description 050137 Send/read contest number style 050168 Send/read antenna selection for (0=Normal, 1=190→ANO, 1.60 to 2.00 MHz band 2=190→ANT, 3=90→NO, (see p. 14-10 for details) 4=90→NT) 050169 Send/read antenna selection for 050138 Send/read count up trigger chan-...
  • Page 184 CONTROL COMMAND D Command table (continued) Command Sub command Description Set/read repeater tone frequency (see p. 14-10 for details) Set/read TSQL tone frequency (see p. 14-10 for details) Set/read the transceiver’s condi- tion (0=Rx; 1=Tx) Set/read antenna tuner condition (0=OFF, 1=ON, 2=Start tuning or while tuning) 14-8...

  • Page 185: D To Send/Read Memory Contents

    CONTROL COMMAND D To send/read memory contents • Character’s code When sending or reading memory contents, additional Character ASCII code Description code as follows must be added to appoint the memory 0–9 30–39 Numerals channel. A–Z 41–5A Alphabetical characters ➥ Additional code: 0000–0101 (0100=P1, 0101=P2) space Word space Symbol...

  • Page 186: D Offset Frequency Setting

    CONTROL COMMAND D Offset frequency setting D Color setting The following data sequence is used when sending or The following data sequence is used when sending or reading the offset frequency setting. reading the color setting. X X X X X X X X X R (Red) G (Green)
  • Page 187 SPECIFICATIONS AND OPTIONS Section ■ Specifications ………………………………………………………… 15-2 D General ……………………………………………………………… 15-2 D Transmitter ………………………………………………………… 15-2 D Receiver …………………………………………………………… 15-3 D Antenna tuner ……………………………………………………… 15-3 ■ Options ………………………………………………………………… 15-4 15-1...

  • Page 188: Specifications

    SPECIFICATIONS AND OPTIONS ■ Specifications D General • Frequency coverage (unit: MHz) Receiver 0.030000–60.000000* Transmitter 1.800000–1.999999* , 3.500000–3.999999* 5.330500* , 5.346500* , 5.366500* , 5.371500* 5.403500* , 7.000000–7.300000* 10.100000–10.150000* , 14.000000–14.350000* 18.068000–18.168000* , 21.000000–21.450000* 24.890000–24.990000* , 28.000000–29.700000* 50.000000–54.000000* Some frequency ranges are not guaranteed. Depending on versions.

  • Page 189: D Receiver

    SPECIFICATIONS AND OPTIONS D Receiver • Receive system : Double conversion superheterodyne system • Intermediate frequencies 64.455 MHz (MAIN band) 64.555 MHz (SUB band) 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...
  • Page 190 SPECIFICATIONS AND OPTIONS ■ Options • IC-PW1 ALL BAND W LINEAR AMPLIFIER Full-duty 1 kW linear amplifier including an automatic antenna tuner. Has automatic tuning and band selec- tion capability. Full break-in (QSK) operation is possi- ble. The amplifier/power supply unit and the remote control unit are separated.
  • Page 191 Please record the serial number of your IC-7800 transceiver below for future servicing reference: Serial Number Date of purchase Place where purchased :...
  • Page 192 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan...

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