Instruction Manual
Page 2
...MANUAL. This manual contains important safety and operating instructions for the IC-R75. NOTE Iinf jduirsyr,efgiraerdoer de,leincctroicnvsehnoicekn.ce only. Pentium is a registered trademark of personal TRADEMARKS Icom, Icom Inc. nal injury, fire hazard or electric shock may CAUTION Equipment...France, Spain, Russia and/or other countries. EXPLICIT DEFINITIONS WORD DEFINITION R WARNING Pocecrusro. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in the United States and other products or brands are registered trademarks of their respective holders...
...MANUAL. This manual contains important safety and operating instructions for the IC-R75. NOTE Iinf jduirsyr,efgiraerdoer de,leincctroicnvsehnoicekn.ce only. Pentium is a registered trademark of personal TRADEMARKS Icom, Icom Inc. nal injury, fire hazard or electric shock may CAUTION Equipment...France, Spain, Russia and/or other countries. EXPLICIT DEFINITIONS WORD DEFINITION R WARNING Pocecrusro. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in the United States and other products or brands are registered trademarks of their respective holders...
Instruction Manual
Page 3
... part or connectors on the serial number label comply with the limits for Commercially Available Amateur Radio Equipment). Versions of the IC-R75 which the receiver is no guarantee that to which display the "CE" symbol on the rear panel of the following measures: • Reorient...there is connected. • Consult the dealer or an experienced radio/TV technician for extended periods. Be aware that temperatures on the receiver rear panel. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with temperatures ...
... part or connectors on the serial number label comply with the limits for Commercially Available Amateur Radio Equipment). Versions of the IC-R75 which the receiver is no guarantee that to which display the "CE" symbol on the rear panel of the following measures: • Reorient...there is connected. • Consult the dealer or an experienced radio/TV technician for extended periods. Be aware that temperatures on the receiver rear panel. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with temperatures ...
Instruction Manual
Page 4
... adapter (AD-55/A/S/V 1 w DC power cable (OPC-869 1 e Fuse (FGB 3 A; The receiver could receive switching noise from the receiver's antenna and any metal objects as possible. • Attach an AC line filter to the receiver, plug the AC adapter into a different AC outlet than the equipment. • Keep the AC...versions. † The AD-55, AD-55A, AD-55S and AD-55V have different shapes. Qty. SUPPLIED ACCESSORIES The receiver comes with the following to reduce the noise. • Ground the receiver. • When another AC powered equipment is connected to the AC adapter.
... adapter (AD-55/A/S/V 1 w DC power cable (OPC-869 1 e Fuse (FGB 3 A; The receiver could receive switching noise from the receiver's antenna and any metal objects as possible. • Attach an AC line filter to the receiver, plug the AC adapter into a different AC outlet than the equipment. • Keep the AC...versions. † The AD-55, AD-55A, AD-55S and AD-55V have different shapes. Qty. SUPPLIED ACCESSORIES The receiver comes with the following to reduce the noise. • Ground the receiver. • When another AC powered equipment is connected to the AC adapter.
Instruction Manual
Page 5
... 2 - 6 ■ Front panel 2 ■ Function display 5 ■ Rear panel 6 3 INSTALLATION AND CONNECTIONS ....... 7 - 10 ■ Grounding 7 ■ Receiver stand 7 ■ Optional bracket and carrying handle 7 ■ Connections 8 ■ Antenna connection 9 ■ Tape recorder connections 9 ■ Transceive function 9 ■ ...9632; Read me first 11 ■ Using the keypad 11 ■ Frequency setting 12 ■ Dial lock function 13 5 RECEIVE FUNCTIONS 14 - 20 ■ Mode selection 14 ■ Squelch and RF gain 14 ■ Twin PBT operation 15 ■...
... 2 - 6 ■ Front panel 2 ■ Function display 5 ■ Rear panel 6 3 INSTALLATION AND CONNECTIONS ....... 7 - 10 ■ Grounding 7 ■ Receiver stand 7 ■ Optional bracket and carrying handle 7 ■ Connections 8 ■ Antenna connection 9 ■ Tape recorder connections 9 ■ Transceive function 9 ■ ...9632; Read me first 11 ■ Using the keypad 11 ■ Frequency setting 12 ■ Dial lock function 13 5 RECEIVE FUNCTIONS 14 - 20 ■ Mode selection 14 ■ Squelch and RF gain 14 ■ Twin PBT operation 15 ■...
Instruction Manual
Page 6
...CONTROL [RF/SQL] (outer control; The squelch removes noise output from the speaker. t P ASSBAND TUNING CONTROLS [TWIN PBT] (p. 15) Adjust the receiver's "passband width" of the tuning dial. !0 LOCK/SPEECH SWITCH [LOCK] (pgs. 13, 34) ➥ Toggles the frequency lock function ON and..., the internal speaker or connected external speaker does not function. 2 PANEL DESCRIPTION ■ Front panel Speaker Function display (p. 5) !8 !7 !6 !5 q w COMMUNICATIONS RECEIVER SSB CW/RTTY FIL AM FM TS 1 2 3 ABC DEF 4 5 6 GHI JKL MNO 7 8 9 PRS TUV WXY . 0 QZ ENT PHONES POWER...
...CONTROL [RF/SQL] (outer control; The squelch removes noise output from the speaker. t P ASSBAND TUNING CONTROLS [TWIN PBT] (p. 15) Adjust the receiver's "passband width" of the tuning dial. !0 LOCK/SPEECH SWITCH [LOCK] (pgs. 13, 34) ➥ Toggles the frequency lock function ON and..., the internal speaker or connected external speaker does not function. 2 PANEL DESCRIPTION ■ Front panel Speaker Function display (p. 5) !8 !7 !6 !5 q w COMMUNICATIONS RECEIVER SSB CW/RTTY FIL AM FM TS 1 2 3 ABC DEF 4 5 6 GHI JKL MNO 7 8 9 PRS TUV WXY . 0 QZ ENT PHONES POWER...
Instruction Manual
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...Toggles the select memory setting ON and OFF when pushed in SSB, CW and RTTY modes. 2 PANEL DESCRIPTION ■ Front panel (continued) Function display (p. 5) COMMUNICATIONS RECEIVER SSB CW/RTTY FIL AM FM TS 1 2 3 ABC DEF 4 5 6 GHI JKL MNO 7 8 9 PRS TUV WXY . 0 QZ ENT PHONES POWER AF RF...toggle between preamp-1 and preamp-2 or turn the preamp OFF. @0 ATTENUATOR SWITCH [ATT] (p. 16) Push to turn the optional automatic notch filter for receiving AM signals ON and OFF. An optional UT-106 DSP unit is required. @3 NOISE BLANKER SWITCH [NB] (p. 15) Toggles the noise blanker ON ...
...Toggles the select memory setting ON and OFF when pushed in SSB, CW and RTTY modes. 2 PANEL DESCRIPTION ■ Front panel (continued) Function display (p. 5) COMMUNICATIONS RECEIVER SSB CW/RTTY FIL AM FM TS 1 2 3 ABC DEF 4 5 6 GHI JKL MNO 7 8 9 PRS TUV WXY . 0 QZ ENT PHONES POWER AF RF...toggle between preamp-1 and preamp-2 or turn the preamp OFF. @0 ATTENUATOR SWITCH [ATT] (p. 16) Push to turn the optional automatic notch filter for receiving AM signals ON and OFF. An optional UT-106 DSP unit is required. @3 NOISE BLANKER SWITCH [NB] (p. 15) Toggles the noise blanker ON ...
Instruction Manual
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... Appears when power on/off timer or sleep timer is in VFO and memory modes. !7 FREQUENCY READOUT Shows the operating frequency. !8 RECEIVE INDICATOR Appears while receiving a signal or when the squelch is open. !9 MODE INDICATORS (p. 14) Indicate the selected operating mode. @0 REVERSE MODE INDICATOR (p. ...AGC OFF" appears when the AGC function is turned OFF. ➥ "F.AGC" blinks while scanning or while using band scope via an optional RS-R75. !3 MEMORY MODE INDICATOR (p. 21) Indicates memory mode is in use . e A UTOMATIC NOTCH FILTER INDICATOR (p. 20) Appears when the ...
... Appears when power on/off timer or sleep timer is in VFO and memory modes. !7 FREQUENCY READOUT Shows the operating frequency. !8 RECEIVE INDICATOR Appears while receiving a signal or when the squelch is open. !9 MODE INDICATORS (p. 14) Indicate the selected operating mode. @0 REVERSE MODE INDICATOR (p. ...AGC OFF" appears when the AGC function is turned OFF. ➥ "F.AGC" blinks while scanning or while using band scope via an optional RS-R75. !3 MEMORY MODE INDICATOR (p. 21) Indicates memory mode is in use . e A UTOMATIC NOTCH FILTER INDICATOR (p. 20) Appears when the ...
Instruction Manual
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...speaker is required. DO NOT use a cigarette lighter socket as a power source when operating in set mode. (p. 32) w RECORDER JACK [REC] Outputs receive audio signals. u GROUND TERMINAL [GND] (p. 7) Connects the black terminal to a 500 Ω long wire antenna. i ANTENNA 2 TERMINAL [ANT 2]... 9) Connects the red terminal to ground. Connects to an Icom CI-V system transceiver or another receiver for CI-V transceive operation with a transceiver. An RS-232C cable can be used to connect the receiver to the receiver via an optional CT-17 CI-V level converter. y MUTE CONTROL...
...speaker is required. DO NOT use a cigarette lighter socket as a power source when operating in set mode. (p. 32) w RECORDER JACK [REC] Outputs receive audio signals. u GROUND TERMINAL [GND] (p. 7) Connects the black terminal to a 500 Ω long wire antenna. i ANTENNA 2 TERMINAL [ANT 2]... 9) Connects the red terminal to ground. Connects to an Icom CI-V system transceiver or another receiver for CI-V transceive operation with a transceiver. An RS-232C cable can be used to connect the receiver to the receiver via an optional CT-17 CI-V level converter. y MUTE CONTROL...
Instruction Manual
Page 11
... electric shock. ■ Optional bracket and carrying handle D Mounting bracket An optional IC-MB5 mobile mounting bracket is approx. 3 kg. For best results, connect a heavy gauge wire or strap to mount the receiver keeping in a vehicle, etc. Select an area to a long earth-sunk copper ... To prevent accidents involving electr icity and interference from transceivers, ground the receiver through the [GND] terminal on a wall, in mind that the weight of the receiver is available to easily carry and transport the receiver. Make the distance between the [GND] terminal and ground as short ...
... electric shock. ■ Optional bracket and carrying handle D Mounting bracket An optional IC-MB5 mobile mounting bracket is approx. 3 kg. For best results, connect a heavy gauge wire or strap to mount the receiver keeping in a vehicle, etc. Select an area to a long earth-sunk copper ... To prevent accidents involving electr icity and interference from transceivers, ground the receiver through the [GND] terminal on a wall, in mind that the weight of the receiver is available to easily carry and transport the receiver. Make the distance between the [GND] terminal and ground as short ...
Instruction Manual
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3 INSTALLATION AND CONNECTIONS ■ Connections HEADPHONES COMMUNICATIONS RECEIVER SSB CW/RTTY FIL AM FM TS 1 2 3 ABC DEF 4 5 6 z JKL MNO 7 8 9 PRS TUV WXY . impedance: 500 Ω. MUTE CONTROL JACK (p. 6) RECORDER/ RECORDER CONTROL (p. 9) RS-232C ...
3 INSTALLATION AND CONNECTIONS ■ Connections HEADPHONES COMMUNICATIONS RECEIVER SSB CW/RTTY FIL AM FM TS 1 2 3 ABC DEF 4 5 6 z JKL MNO 7 8 9 PRS TUV WXY . impedance: 500 Ω. MUTE CONTROL JACK (p. 6) RECORDER/ RECORDER CONTROL (p. 9) RS-232C ...
Instruction Manual
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... body on and solder it. Soft solder the center con- 1-2 mm ductor. Icom CI-V transceiver/receiver [REMOTE] Connect to the receiver will result in set frequency is out-of-range for recording control. (1 A/DC max.) IC-R75 [AUX IN] or [LINE IN] jack [REC REMOTE] [REC OUT] 350... mVrms 4.7 kΩ ■ Transceive function Icom CI-V transceivers or receivers can be used for one of the connected transceivers or receivers, the connected radio's frequency/mode does not...
... body on and solder it. Soft solder the center con- 1-2 mm ductor. Icom CI-V transceiver/receiver [REMOTE] Connect to the receiver will result in set frequency is out-of-range for recording control. (1 A/DC max.) IC-R75 [AUX IN] or [LINE IN] jack [REC REMOTE] [REC OUT] 350... mVrms 4.7 kΩ ■ Transceive function Icom CI-V transceivers or receivers can be used for one of the connected transceivers or receivers, the connected radio's frequency/mode does not...
Instruction Manual
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...[Center of hard disk space • At least 640 × 480 pixel, high color (16 bit) display Supplied RS-232C cable (OPC-743) PC IC-R75 10 Refer to the diagram below . D System requirements To use this program, the following hardware and software are required: • IBM PC compatible computer ... RAM • At least 10 MB of Mark and Space freq.] + [600 Hz] LSB mode (for HF band data communications). e S et the receiver to the desired frequency as below. r S et the connected terminal unit to the appropriate settings. • Refer to the terminal unit's instructions. The optional...
...[Center of hard disk space • At least 640 × 480 pixel, high color (16 bit) display Supplied RS-232C cable (OPC-743) PC IC-R75 10 Refer to the diagram below . D System requirements To use this program, the following hardware and software are required: • IBM PC compatible computer ... RAM • At least 10 MB of Mark and Space freq.] + [600 Hz] LSB mode (for HF band data communications). e S et the receiver to the desired frequency as below. r S et the connected terminal unit to the appropriate settings. • Refer to the terminal unit's instructions. The optional...
Instruction Manual
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....050 MHz 2 ABC 1 . When turning power OFF or changing memory channels, the previously displayed frequency cannot be skipped. 4 FREQUENCY SETTING ■ Read me first The receiver uses memory channels for storage of frequencies (as well as the displayed frequency, this step can be recalled unless it into a memory channel. USB R X USB...
....050 MHz 2 ABC 1 . When turning power OFF or changing memory channels, the previously displayed frequency cannot be skipped. 4 FREQUENCY SETTING ■ Read me first The receiver uses memory channels for storage of frequencies (as well as the displayed frequency, this step can be recalled unless it into a memory channel. USB R X USB...
Instruction Manual
Page 18
... reverse or RTTY and RTTY reverse. ➥ Push [AM] to select AM. ➥ Push [FM] to select FM. The selected mode is indicated in the IC-R75: SSB (LSB/USB), CW, CW REV (CW reverse), FM, AM, RTTY and RTTY REV (RTTY reverse). ➥ Push [SSB] to toggle between CW and RTTY.... • When set to the max. The SQUELCH removes noise output from the speaker (closed condition) when no signal is the best position. This is received. RF gain adjustable range Noise squelch (FM mode) Maximum RF gain S-meter squelch • When set as the [RF/SQL] control Recommended level Squelch is...
... reverse or RTTY and RTTY reverse. ➥ Push [AM] to select AM. ➥ Push [FM] to select FM. The selected mode is indicated in the IC-R75: SSB (LSB/USB), CW, CW REV (CW reverse), FM, AM, RTTY and RTTY REV (RTTY reverse). ➥ Push [SSB] to toggle between CW and RTTY.... • When set to the max. The SQUELCH removes noise output from the speaker (closed condition) when no signal is the best position. This is received. RF gain adjustable range Noise squelch (FM mode) Maximum RF gain S-meter squelch • When set as the [RF/SQL] control Recommended level Squelch is...
Instruction Manual
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... TWIN PBT Passband Passband IF center frequency Interference Desired signal ■ Noise blanker The noise blanker eliminates pulse-type noise such as from car ignitions. 5 RECEIVE FUNCTIONS ■ Twin PBT operation T h e t w i n P B T ( Pa s s b a n d Tu n i n g ) f u n c t i o n electronically narrows the IF passband widths to ...➥ Push the [NB] switch to turn the noise blanker ON or OFF. • When using the noise blanker, received signals may be distorted if they are available. • [TWIN PBT] should normally be set to reduce interference. The noise blanker...
... TWIN PBT Passband Passband IF center frequency Interference Desired signal ■ Noise blanker The noise blanker eliminates pulse-type noise such as from car ignitions. 5 RECEIVE FUNCTIONS ■ Twin PBT operation T h e t w i n P B T ( Pa s s b a n d Tu n i n g ) f u n c t i o n electronically narrows the IF passband widths to ...➥ Push the [NB] switch to turn the noise blanker ON or OFF. • When using the noise blanker, received signals may be distorted if they are available. • [TWIN PBT] should normally be set to reduce interference. The noise blanker...
Instruction Manual
Page 20
... to select VFO mode in use. AGC BLANK S1 3 5 7 9 20 40 60dB VFO "F.AGC" appears when the fast time constant is activated. Turn this receiver. USB R X ANT 1 AGC BLANK S1 3 5 7 9 20 40 60dB VFO "ANT1" appears when the [ANT1] connector is in advance. 16 USB R X PREAMP 1 ANT ...1 AGC BLANK S1 3 5 7 9 20 40 60dB VFO "ATT" appears while the attenuator is selected. Use AGC slow for 2 sec. AGC fast for receiving data and searching for signals. ➥ Push [AGC] momentary to toggle the AGC time constant between preamp-1 and preamp-2 or turn the AGC circuit ON...
... to select VFO mode in use. AGC BLANK S1 3 5 7 9 20 40 60dB VFO "F.AGC" appears when the fast time constant is activated. Turn this receiver. USB R X ANT 1 AGC BLANK S1 3 5 7 9 20 40 60dB VFO "ANT1" appears when the [ANT1] connector is in advance. 16 USB R X PREAMP 1 ANT ...1 AGC BLANK S1 3 5 7 9 20 40 60dB VFO "ATT" appears while the attenuator is selected. Use AGC slow for 2 sec. AGC fast for receiving data and searching for signals. ➥ Push [AGC] momentary to toggle the AGC time constant between preamp-1 and preamp-2 or turn the AGC circuit ON...
Instruction Manual
Page 21
... are near a desired signal and you want to exit set mode. q P ush [CW/RTTY] once or twice to select CW mode. The received CW audio pitch can be caused by incorrect TNC connections, settings, commands, etc. to 900 Hz) without changing the operating frequency. w P ush [CW/RTTY] for 2 ... (600 Hz) (800 Hz) CW mode (USB side) Desired signal Interference (600 Hz) (400 Hz) CW REV mode (LSB side) ■ CW pitch control The received CW audio pitch and monitored CW audio can be adjusted in 10 Hz steps. '60' indicates 600 Hz CW audio pitch. w P ush [UP Y] or [Z DN...
... are near a desired signal and you want to exit set mode. q P ush [CW/RTTY] once or twice to select CW mode. The received CW audio pitch can be caused by incorrect TNC connections, settings, commands, etc. to 900 Hz) without changing the operating frequency. w P ush [CW/RTTY] for 2 ... (600 Hz) (800 Hz) CW mode (USB side) Desired signal Interference (600 Hz) (400 Hz) CW REV mode (LSB side) ■ CW pitch control The received CW audio pitch and monitored CW audio can be adjusted in 10 Hz steps. '60' indicates 600 Hz CW audio pitch. w P ush [UP Y] or [Z DN...
Instruction Manual
Page 22
...) FL-65 (2.4 kHz) FL-257 (3.3 kHz) FL-96 (2.8 kHz) FL-222 (1.8 kHz) FL-52A (500 Hz) FL-53A (250 Hz) optional 3rd IF signal 18 5 RECEIVE FUNCTIONS ■ Filter selection The filter selection switches the IF passband width as shown in each mode. w P ush [FIL] one or more times to select...
...) FL-65 (2.4 kHz) FL-257 (3.3 kHz) FL-96 (2.8 kHz) FL-222 (1.8 kHz) FL-52A (500 Hz) FL-53A (250 Hz) optional 3rd IF signal 18 5 RECEIVE FUNCTIONS ■ Filter selection The filter selection switches the IF passband width as shown in each mode. w P ush [FIL] one or more times to select...
Instruction Manual
Page 23
..., if desired. • The filter combinations are not selected by setting the expanded filter selection to select IF filters for 455 kHz IF filter setting. 5 RECEIVE FUNCTIONS ■ Filter set mode When an optional filter is installed, set the optional filters in filter set mode. to select VFO mode in advance...
..., if desired. • The filter combinations are not selected by setting the expanded filter selection to select IF filters for 455 kHz IF filter setting. 5 RECEIVE FUNCTIONS ■ Filter set mode When an optional filter is installed, set the optional filters in filter set mode. to select VFO mode in advance...