Instruction Manual
Page 2
... within the operating range, and alerts you via function display indication. (p. 20) In addition, a manual transponder is also available for both operation and battery charging (Optional BC-149A or CP-18A is designed for purchasing the IC-4088A FRS FM transceiver. In this case, the transceiver alerts you via beeps. (p. 12) i This transceiver is required) ❍ All 14 FRS channels are available ❍ Powerful 500 mW (ERP) high output power ❍...
... within the operating range, and alerts you via function display indication. (p. 20) In addition, a manual transponder is also available for both operation and battery charging (Optional BC-149A or CP-18A is designed for purchasing the IC-4088A FRS FM transceiver. In this case, the transceiver alerts you via beeps. (p. 12) i This transceiver is required) ❍ All 14 FRS channels are available ❍ Powerful 500 mW (ERP) high output power ❍...
Instruction Manual
Page 3
In addition, 38 different CTCSS frequencies are available. (p. 12) I 2 types of "Ring" function The "Smart-Ring" function and the "Call-Ring" function are available for group communications. I GROUP MODE (BUILT-IN CTCSS: Continuous Tone Coded Squelch System) CTCSS encoder/decoder are available. (p. 18) SUPPLIED ACCESSORY • Belt clip 1 Icom, Icom Inc. and the are output only when a signal with matched CTCSS tone signal is received. This is very...
In addition, 38 different CTCSS frequencies are available. (p. 12) I 2 types of "Ring" function The "Smart-Ring" function and the "Call-Ring" function are available for group communications. I GROUP MODE (BUILT-IN CTCSS: Continuous Tone Coded Squelch System) CTCSS encoder/decoder are available. (p. 18) SUPPLIED ACCESSORY • Belt clip 1 Icom, Icom Inc. and the are output only when a signal with matched CTCSS tone signal is received. This is very...
Instruction Manual
Page 4
... other audio accessories at high volume levels. iii shielded electrical blasting caps or in your ears, reduce the volume or discontinue use. Hearing experts advise against continuous high volume operation. IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using the transceiver. This instruction manual contains important operating instructions for the transceiver. NEVER hold the transceiver so that external DC power connections will charge batteries inside the battery case. Be aware that the antenna...
... other audio accessories at high volume levels. iii shielded electrical blasting caps or in your ears, reduce the volume or discontinue use. Hearing experts advise against continuous high volume operation. IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using the transceiver. This instruction manual contains important operating instructions for the transceiver. NEVER hold the transceiver so that external DC power connections will charge batteries inside the battery case. Be aware that the antenna...
Instruction Manual
Page 5
... cable only for a long time. Other manufacturer's AC adapter, cigarette lighter cable or DC power cable with temperatures below -4˚F (-20°C) or above +122˚F (+50°C). AVOID using or placing the transceiver in direct sunlight or in the radio. The use by a qualified technician using it for both operating the transceiver and charging the battery. FCC WARNING: NEVER open the transceiver's case to make any internal adjustments, changes...
... cable only for a long time. Other manufacturer's AC adapter, cigarette lighter cable or DC power cable with temperatures below -4˚F (-20°C) or above +122˚F (+50°C). AVOID using or placing the transceiver in direct sunlight or in the radio. The use by a qualified technician using it for both operating the transceiver and charging the battery. FCC WARNING: NEVER open the transceiver's case to make any internal adjustments, changes...
Instruction Manual
Page 6
...1 I Belt clip attachment 1 I Battery installation 1 2 PANEL DESCRIPTION 2-4 I Switches, controls, keys and connectors 2 I Function display 4 3 BATTERY CHARGING 5-7 I Battery caution 5 I Charging connections 6 4 BASIC OPERATION 8-9 I Power ON 8 I Adjusting the volume 8 I Selecting the operating channel 9 5 RECEIVE AND TRANSMIT 10-11 6 GROUP MODE (CTCSS 12-13 I Setting the group code 12 7 SCAN FUNCTION 14 8 RING FUNCTIONS 15 I Smart-Ring 15 I Call-Ring 15 9 OTHER FUNCTIONS 16-21 I Voice scrambler function 16 I Initial set mode 16 I Lock function 19 I Low battery indicator...
...1 I Belt clip attachment 1 I Battery installation 1 2 PANEL DESCRIPTION 2-4 I Switches, controls, keys and connectors 2 I Function display 4 3 BATTERY CHARGING 5-7 I Battery caution 5 I Charging connections 6 4 BASIC OPERATION 8-9 I Power ON 8 I Adjusting the volume 8 I Selecting the operating channel 9 5 RECEIVE AND TRANSMIT 10-11 6 GROUP MODE (CTCSS 12-13 I Setting the group code 12 7 SCAN FUNCTION 14 8 RING FUNCTIONS 15 I Smart-Ring 15 I Call-Ring 15 9 OTHER FUNCTIONS 16-21 I Voice scrambler function 16 I Initial set mode 16 I Lock function 19 I Low battery indicator...
Instruction Manual
Page 9
... set mode for group (p. 12) and voice scrambler code. (p. 16) ➥ Push and hold for both operation and battery charging. 3 2 PANEL DESCRIPTION q EXTERNAL SPEAKER AND MICROPHONE JACKS Connect an optional speaker-microphone or headset, if desired. to turn the monitor function ON and OFF. (p. 8) t CHANNEL UP SWITCH [Y] ➥ Push to increment the operating channel. ➥ Push and hold to increment the operating channel continuously. ➥ While scanning, changes scanning direction. (p. 14) y CHANNEL DOWN SWITCH...
... set mode for group (p. 12) and voice scrambler code. (p. 16) ➥ Push and hold for both operation and battery charging. 3 2 PANEL DESCRIPTION q EXTERNAL SPEAKER AND MICROPHONE JACKS Connect an optional speaker-microphone or headset, if desired. to turn the monitor function ON and OFF. (p. 8) t CHANNEL UP SWITCH [Y] ➥ Push to increment the operating channel. ➥ Push and hold to increment the operating channel continuously. ➥ While scanning, changes scanning direction. (p. 14) y CHANNEL DOWN SWITCH...
Instruction Manual
Page 10
... while receiving a signal or when the squelch is ON. y GROUP NUMBER INDICATOR Indicates the selected group number during the key lock function ON. u CHANNEL NUMBER INDICATOR Indicates the selected operating channel number. e VOICE SCRAMBLER INDICATOR Appears while the voice scrambler function is in the conversation area. ➥ Blinks when you and your group is ON. i POWER ON INDICATOR Appears while the power is open...
... while receiving a signal or when the squelch is ON. y GROUP NUMBER INDICATOR Indicates the selected group number during the key lock function ON. u CHANNEL NUMBER INDICATOR Indicates the selected operating channel number. e VOICE SCRAMBLER INDICATOR Appears while the voice scrambler function is in the conversation area. ➥ Blinks when you and your group is ON. i POWER ON INDICATOR Appears while the power is open...
Instruction Manual
Page 11
... may cause explosion. AVOID over charging, the IC-4088A has charging timer that you have no capacity even after 15 hours from charging. D Recycling information (U.S.A. Recommended temperature range for battery recycling options in your area or contact your dealer. 5 However, the charging timer will reset and start charging again when disconnect then re-connecting the AC adapter or CP-18A more than...
... may cause explosion. AVOID over charging, the IC-4088A has charging timer that you have no capacity even after 15 hours from charging. D Recycling information (U.S.A. Recommended temperature range for battery recycling options in your area or contact your dealer. 5 However, the charging timer will reset and start charging again when disconnect then re-connecting the AC adapter or CP-18A more than...
Instruction Manual
Page 13
... BP-202 is nearly exhausted and the function display blinks in intermittently, push [PWR] until the trans- * ceiver's power goes OFF. *NOTE: Put the Ni-Cd battery adapter into the charger. 3 IC-4088A BP-202 Turn the power OFF! 3 BATTERY CHARGING D Rapid charging with the adhesive tape, etc., to the transceiver. AD-105 AC adapter BC-119N NOT used: Fix the 3-pin connector to the bottom of...
... BP-202 is nearly exhausted and the function display blinks in intermittently, push [PWR] until the trans- * ceiver's power goes OFF. *NOTE: Put the Ni-Cd battery adapter into the charger. 3 IC-4088A BP-202 Turn the power OFF! 3 BATTERY CHARGING D Rapid charging with the adhesive tape, etc., to the transceiver. AD-105 AC adapter BC-119N NOT used: Fix the 3-pin connector to the bottom of...
Instruction Manual
Page 14
... squelch. [VOL] Appears [MODE] ✔ What is squelch? to turn the power ON. • " " and operating channel number appear on the display while the squelch is useful to listen to a suitable level using [VOL]. This is open the squelch. 8 w Adjust the audio to weak signals that do not open . This provides quiet standby. A squelch circuit allows muting of undesired noise while receiving no signal and emit audio while receiving signals. The [MODE] key changes the squelch setting...
... squelch. [VOL] Appears [MODE] ✔ What is squelch? to turn the power ON. • " " and operating channel number appear on the display while the squelch is useful to listen to a suitable level using [VOL]. This is open the squelch. 8 w Adjust the audio to weak signals that do not open . This provides quiet standby. A squelch circuit allows muting of undesired noise while receiving no signal and emit audio while receiving signals. The [MODE] key changes the squelch setting...
Instruction Manual
Page 16
... operating channel with [Y]/[Z]. This may be necessary at a normal voice level. NOTE: The transceiver has an auto power save function activates automatically when no signal is received: • " " indicator appears on the display. The power save function to receive. Appears [PTT] IMPORTANT: To maximize the readability of [VOL] may distort the signal. • The transmit indicator " " appears on the display. • Squelch opens...
... operating channel with [Y]/[Z]. This may be necessary at a normal voice level. NOTE: The transceiver has an auto power save function activates automatically when no signal is received: • " " indicator appears on the display. The power save function to receive. Appears [PTT] IMPORTANT: To maximize the readability of [VOL] may distort the signal. • The transmit indicator " " appears on the display. • Squelch opens...
Instruction Manual
Page 18
... turn ON the group mode operation: q Push [MODE] to enter set the same group code number for all group member's transceivers. 6 GROUP MODE (CTCSS) I Setting the group code The IC-4088A is equipped with silent standby since you will only receive calls from group members using the same group number. e Push [MODE] twice to cancel the group mode and return to select the desired code number. group mode OFF) appears on the display...
... turn ON the group mode operation: q Push [MODE] to enter set the same group code number for all group member's transceivers. 6 GROUP MODE (CTCSS) I Setting the group code The IC-4088A is equipped with silent standby since you will only receive calls from group members using the same group number. e Push [MODE] twice to cancel the group mode and return to select the desired code number. group mode OFF) appears on the display...
Instruction Manual
Page 19
This conveniently eliminates unwanted audio and is equipped with silent stand by. OFF 30 186.2 (unit: Hz) ✔ What is not private-anyone can open your squelch. The IC-4088A is useful in group activities or security related activities where unwanted output can open the squelch. Selecting a code applies it to hear signals on all channels. 13 D CTCSS code table CH Freq. CH Freq. 21 136.5 31 192.8 22...
This conveniently eliminates unwanted audio and is equipped with silent stand by. OFF 30 186.2 (unit: Hz) ✔ What is not private-anyone can open your squelch. The IC-4088A is useful in group activities or security related activities where unwanted output can open the squelch. Selecting a code applies it to hear signals on all channels. 13 D CTCSS code table CH Freq. CH Freq. 21 136.5 31 192.8 22...
Instruction Manual
Page 21
... answer back feature. ceiver emits beep tones for all of a specific [Y] 8 group answers a call has reached the receiving party even if the operator is automatically cut while pushing [Z]. [PTT] [Z] 15 8 RING FUNCTIONS I Call-Ring Sends the ring tones during transmit mode. ➥ While pushing [PTT], push [Z] to stop the beeps and flashing. NOTE: This function is emitted and " " blinks [PTT] on the display. 7 e Release the [PTT]. •...
... answer back feature. ceiver emits beep tones for all of a specific [Y] 8 group answers a call has reached the receiving party even if the operator is automatically cut while pushing [Z]. [PTT] [Z] 15 8 RING FUNCTIONS I Call-Ring Sends the ring tones during transmit mode. ➥ While pushing [PTT], push [Z] to stop the beeps and flashing. NOTE: This function is emitted and " " blinks [PTT] on the display. 7 e Release the [PTT]. •...
Instruction Manual
Page 23
.... 9 OTHER FUNCTIONS D Beep tones ON/OFF Confirmation beep tones normally sound when a key is performed for the set period, the transceiver turns power OFF automatically. D Time-out timer The time-out timer limits continuous transmission time period to prevent accidental prolonged transmission, such as when using the PTT hold function. in use. available. 17 These can be turned ON or OFF. nal disappears. steps. D Scan resume type...
.... 9 OTHER FUNCTIONS D Beep tones ON/OFF Confirmation beep tones normally sound when a key is performed for the set period, the transceiver turns power OFF automatically. D Time-out timer The time-out timer limits continuous transmission time period to prevent accidental prolonged transmission, such as when using the PTT hold function. in use. available. 17 These can be turned ON or OFF. nal disappears. steps. D Scan resume type...
Instruction Manual
Page 25
...; A warning beep is nearing exhaustion. Only [PWR] and [PTT] are functional. - The function automatically turns ON when no operation is performed and no signal is received for 2 sec. I Lock function This function electronically locks all keys and switches to prevent accidental channel changes and function access. ➥ Continue to conserve battery power. - after power ON to turn - ing the power ON. ➥ Blinks when battery replacement is necessary...
...; A warning beep is nearing exhaustion. Only [PWR] and [PTT] are functional. - The function automatically turns ON when no operation is performed and no signal is received for 2 sec. I Lock function This function electronically locks all keys and switches to prevent accidental channel changes and function access. ➥ Continue to conserve battery power. - after power ON to turn - ing the power ON. ➥ Blinks when battery replacement is necessary...
Instruction Manual
Page 26
... IC-4088A's operating on the display until the next search transmit. No "Ring" tone is received, " " blinks until the [MODE] next search transmit. - If no reply is emitted with this function. ➥ While pushing [PTT], push [MODE] to turn the function ON and OFF. • " " appears on the display. • The transceiver starts to send a [PTT] searching signal every 60 sec. - CAUTION: Resetting the transceiver returns all settings to...
... IC-4088A's operating on the display until the next search transmit. No "Ring" tone is received, " " blinks until the [MODE] next search transmit. - If no reply is emitted with this function. ➥ While pushing [PTT], push [MODE] to turn the function ON and OFF. • " " appears on the display. • The transceiver starts to send a [PTT] searching signal every 60 sec. - CAUTION: Resetting the transceiver returns all settings to...
Instruction Manual
Page 28
range : -4˚F to +122˚F; -20˚C to change without notice or obligation. 22 mic. rejection : More than 40 dB • Intermodulation rejection : More than 40 dB • Audio output power : More than 40 dB • Adjacent Ch. connector : Less than 500 mW ERP : ±2.5 kHz : Less than -40 dB : 3-conductor 2.5 (d) mm/2.2 kΩ RECEIVER • Receiver system : Double-conversion...
range : -4˚F to +122˚F; -20˚C to change without notice or obligation. 22 mic. rejection : More than 40 dB • Intermodulation rejection : More than 40 dB • Audio output power : More than 40 dB • Adjacent Ch. connector : Less than 500 mW ERP : ±2.5 kHz : Less than -40 dB : 3-conductor 2.5 (d) mm/2.2 kΩ RECEIVER • Receiver system : Double-conversion...
Instruction Manual
Page 30
... Separated VOX/PTT unit and one -touch PTT functions are available. BC-119N DESKTOP CHARGER + AD-105 DESKTOP CHARGER ADAPTER Rapidly charges battery pack in . The AD-105 must be used with this adapter. A DC-DC converter is built-in 1 to operate the transceiver through a 12 V cigarette lighter socket, and also charges the installed battery regularly. VOX and one of the supplied AC adapter. (p. 7) BC-149A AC ADAPTER Regularly charges installed...
... Separated VOX/PTT unit and one -touch PTT functions are available. BC-119N DESKTOP CHARGER + AD-105 DESKTOP CHARGER ADAPTER Rapidly charges battery pack in . The AD-105 must be used with this adapter. A DC-DC converter is built-in 1 to operate the transceiver through a 12 V cigarette lighter socket, and also charges the installed battery regularly. VOX and one of the supplied AC adapter. (p. 7) BC-149A AC ADAPTER Regularly charges installed...
Instruction Manual
Page 31
... the FCC requirements for "General population." The radio is intended for Safety Levels with this radio. 25 Belt Clip, Rechargeable Ni-Cd Battery Pack (BP-202), Speaker microphones (HM-46/HM-75A/HM-131), Earphone microphone (HM-128), Headset (HS-85) and VOX/PTT case (VS-1) + Microphones (HS-94/HS-95/HS-97). 12 Safety Training Information Your FRS radio generates RF electromagnetic energy during transmit mode...
... the FCC requirements for "General population." The radio is intended for Safety Levels with this radio. 25 Belt Clip, Rechargeable Ni-Cd Battery Pack (BP-202), Speaker microphones (HM-46/HM-75A/HM-131), Earphone microphone (HM-128), Headset (HS-85) and VOX/PTT case (VS-1) + Microphones (HS-94/HS-95/HS-97). 12 Safety Training Information Your FRS radio generates RF electromagnetic energy during transmit mode...