Instruction Manual
Page 2
..., a manual transponder is required) ❍ All 14 FRS channels are available ❍ Powerful 500 mW (ERP) high output power ❍ 38 convenient group channels I ATS (Automatic Transponder System) This convenient function automatically checks station availability within the operating range. D FEATURES ❍ Free of stations in a specified group within the operating range, and alerts you via beeps. (p. 12) i This FRS (Family Radio Service) FM transceiver meets the FCC regulation (FCC Part...
..., a manual transponder is required) ❍ All 14 FRS channels are available ❍ Powerful 500 mW (ERP) high output power ❍ 38 convenient group channels I ATS (Automatic Transponder System) This convenient function automatically checks station availability within the operating range. D FEATURES ❍ Free of stations in a specified group within the operating range, and alerts you via beeps. (p. 12) i This FRS (Family Radio Service) FM transceiver meets the FCC regulation (FCC Part...
Instruction Manual
Page 3
...-protection specification grade 4. ii Audio (voice) signals are standard, providing quiet stand-by. I WATER-RESISTANT* CONSTRUCTION Water-resistant* construction is received. I GROUP MODE (BUILT-IN CTCSS: Continuous Tone Coded Squelch System) CTCSS encoder/decoder are output only when a signal with matched CTCSS tone signal is employed, and this unit can be used in the United States, the United Kingdom, Germany, France, Spain, Russia...
...-protection specification grade 4. ii Audio (voice) signals are standard, providing quiet stand-by. I WATER-RESISTANT* CONSTRUCTION Water-resistant* construction is received. I GROUP MODE (BUILT-IN CTCSS: Continuous Tone Coded Squelch System) CTCSS encoder/decoder are output only when a signal with matched CTCSS tone signal is employed, and this unit can be used in the United States, the United Kingdom, Germany, France, Spain, Russia...
Instruction Manual
Page 4
... only the battery case but also the transceiver. Hearing experts advise against continuous high volume operation. Be aware that the antenna is very close to 10 cm) away and the transceiver is 2 to 4 in. (5 to , or touching exposed parts of the body, especially the face or eyes, while transmitting. iii IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using the transceiver. PRECAUTION...
... only the battery case but also the transceiver. Hearing experts advise against continuous high volume operation. Be aware that the antenna is very close to 10 cm) away and the transceiver is 2 to 4 in. (5 to , or touching exposed parts of the body, especially the face or eyes, while transmitting. iii IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using the transceiver. PRECAUTION...
Instruction Manual
Page 5
... transceiver when not using it for both operating the transceiver and charging the battery. Otherwise, the installed batteries will become exhausted. FCC WARNING: NEVER open the transceiver's case to operate this transceiver under FCC regulations. 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). The use by Icom Inc., could void your authority to make any internal adjustments, changes...
... transceiver when not using it for both operating the transceiver and charging the battery. Otherwise, the installed batteries will become exhausted. FCC WARNING: NEVER open the transceiver's case to operate this transceiver under FCC regulations. 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). The use by Icom Inc., could void your authority 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
... the operating channel continuously. ➥ While scanning, changes scanning direction. (p. 14) u POWER SWITCH [PWR] ➥ Push to turn the power ON. ➥ Push and hold this key to transmit; r MODE SWITCH [MODE] ➥ Push to enter and select set mode for group (p. 12) and voice scrambler code. (p. 16) ➥ Push and hold to toggle the key lock function ON/OFF. (p. 19) i EXTERNAL DC IN JACK [DC 6V] (p. 6) Connects the...
... the operating channel continuously. ➥ While scanning, changes scanning direction. (p. 14) u POWER SWITCH [PWR] ➥ Push to turn the power ON. ➥ Push and hold this key to transmit; r MODE SWITCH [MODE] ➥ Push to enter and select set mode for group (p. 12) and voice scrambler code. (p. 16) ➥ Push and hold to toggle the key lock function ON/OFF. (p. 19) i EXTERNAL DC IN JACK [DC 6V] (p. 6) Connects the...
Instruction Manual
Page 10
... receiving a signal or when the squelch is in the conversation area. ➥ Blinks when you and your group are in use. t LOW BATTERY INDICATOR Appears or blinks when the battery decreases to a specified level. o ANSWER BACK INDICATOR ➥ Appears when you or your group is out of the conversation area. !0 TRANSMIT INDICATOR Appears during PTT ON. 4 u CHANNEL NUMBER INDICATOR Indicates the selected operating channel number...
... receiving a signal or when the squelch is in the conversation area. ➥ Blinks when you and your group are in use. t LOW BATTERY INDICATOR Appears or blinks when the battery decreases to a specified level. o ANSWER BACK INDICATOR ➥ Appears when you or your group is out of the conversation area. !0 TRANSMIT INDICATOR Appears during PTT ON. 4 u CHANNEL NUMBER INDICATOR Indicates the selected operating channel number...
Instruction Manual
Page 11
... connected. 3 BATTERY CHARGING I Battery caution CAUTION NEVER short the terminals. 2 NEVER mix old and new batteries. 3 NEVER incinerate used battery cells. Internal battery gas may be charged during operation when the AC adapter or the optional cigarette lighter cable is recyclable. AVOID over charging, the IC-4088A has charging timer that you have no capacity even after 15 hours from charging. However, the charging timer will reset and start charging...
... connected. 3 BATTERY CHARGING I Battery caution CAUTION NEVER short the terminals. 2 NEVER mix old and new batteries. 3 NEVER incinerate used battery cells. Internal battery gas may be charged during operation when the AC adapter or the optional cigarette lighter cable is recyclable. AVOID over charging, the IC-4088A has charging timer that you have no capacity even after 15 hours from charging. However, the charging timer will reset and start charging...
Instruction Manual
Page 14
e Push and hold [MODE] for 1 sec. 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. This is useful to listen to weak signals that do not open . w Adjust the audio to close the squelch. [VOL] Appears [MODE] ✔ What is open the squelch. 8 to open the squelch (monitor function ON). • " " indicator appears on the display. [PWR] I Power ON ➥...
e Push and hold [MODE] for 1 sec. 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. This is useful to listen to weak signals that do not open . w Adjust the audio to close the squelch. [VOL] Appears [MODE] ✔ What is open the squelch. 8 to open the squelch (monitor function ON). • " " indicator appears on the display. [PWR] I Power ON ➥...
Instruction Manual
Page 15
... memorised when the transceiver is emitted. nel number "1" appears. [Y] To keep the automatic selection, release the [Y] or [Z] keys then [Z] push and hold them again. • When displayed channel stops at channel number "1," a beep is turned off. 9 BASIC OPERATION 4 I Selecting the operating channel Push [Y] or [Z] keys several times until the desired operating channel number appears on the display. • While pushing and holding [Y] or 4 [Z] keys, the displayed channel changes continuously until...
... memorised when the transceiver is emitted. nel number "1" appears. [Y] To keep the automatic selection, release the [Y] or [Z] keys then [Z] push and hold them again. • When displayed channel stops at channel number "1," a beep is turned off. 9 BASIC OPERATION 4 I Selecting the operating channel Push [Y] or [Z] keys several times until the desired operating channel number appears on the display. • While pushing and holding [Y] or 4 [Z] keys, the displayed channel changes continuously until...
Instruction Manual
Page 16
.... [Y] - This may be necessary at a normal voice level. Further adjustment of the transmitted signal, pause a few sec. Appears [PTT] IMPORTANT: To maximize the readability of [VOL] may distort the signal. • The transmit indicator " " appears on the display. • Squelch opens and audio is received for 5 sec. 10 e Release [PTT] to return to conserve the battery power. 5 RECEIVE AND TRANSMIT q Select the desired operating channel with [Y]/[Z].
.... [Y] - This may be necessary at a normal voice level. Further adjustment of the transmitted signal, pause a few sec. Appears [PTT] IMPORTANT: To maximize the readability of [VOL] may distort the signal. • The transmit indicator " " appears on the display. • Squelch opens and audio is received for 5 sec. 10 e Release [PTT] to return to conserve the battery power. 5 RECEIVE AND TRANSMIT q Select the desired operating channel with [Y]/[Z].
Instruction Manual
Page 18
... using the same group number. Group mode operation provides communication with the same group channel number can be heard during group mode operation, even when the busy indicator appears on the display. 12 w Push [Y] or [Z] to enter set mode. [MODE] [Y] [Z] To cancel the group mode operation: q Push [MODE] to select the desired code number. e Push [MODE] twice to set the group code number and exit set mode. • Channel number disappears on the display. 6 GROUP MODE (CTCSS) I Setting the group code...
... using the same group number. Group mode operation provides communication with the same group channel number can be heard during group mode operation, even when the busy indicator appears on the display. 12 w Push [Y] or [Z] to enter set mode. [MODE] [Y] [Z] To cancel the group mode operation: q Push [MODE] to select the desired code number. e Push [MODE] twice to set the group code number and exit set mode. • Channel number disappears on the display. 6 GROUP MODE (CTCSS) I Setting the group code...
Instruction Manual
Page 19
....8 GROUP MODE (CTCSS) 6 CH Freq. OFF 30 186.2 (unit: Hz) ✔ What is equipped with silent stand by. CTCSS (Continuous Tone Coded Squelch System) GROUP MODE allows communication with 38 tone codes for CTCSS GROUP MODE use CTCSS GROUP MODE if you want to be a problem. Only signals containing a specific group code can be able to all signals (including noise) push and hold [MODE]. This conveniently eliminates unwanted audio and is...
....8 GROUP MODE (CTCSS) 6 CH Freq. OFF 30 186.2 (unit: Hz) ✔ What is equipped with silent stand by. CTCSS (Continuous Tone Coded Squelch System) GROUP MODE allows communication with 38 tone codes for CTCSS GROUP MODE use CTCSS GROUP MODE if you want to be a problem. Only signals containing a specific group code can be able to all signals (including noise) push and hold [MODE]. This conveniently eliminates unwanted audio and is...
Instruction Manual
Page 21
... and " " blinks [PTT] on the display. 7 e Release the [PTT]. • When a member 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 and blinks " ." • When no answer comes back, the transceiver emits short faint beep tones. 8 RING FUNCTIONS I Call-Ring Sends the ring tones during transmit mode. ➥ While pushing [PTT], push [Z] to stop the beeps and...
... and " " blinks [PTT] on the display. 7 e Release the [PTT]. • When a member 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 and blinks " ." • When no answer comes back, the transceiver emits short faint beep tones. 8 RING FUNCTIONS I Call-Ring Sends the ring tones during transmit mode. ➥ While pushing [PTT], push [Z] to stop the beeps and...
Instruction Manual
Page 23
... When signal is received, or no operation is received. 9 Pause scan (PS): Scan pauses until the sig- in use. Timer scan (tS) : Scan resumes after the specified time period even signal is performed for the set period, the transceiver turns power OFF automatically. available. 17 steps. D Scan resume type Select the scan resume type from timer scan and pause scan. nal disappears. D Time-out timer The...
... When signal is received, or no operation is received. 9 Pause scan (PS): Scan pauses until the sig- in use. Timer scan (tS) : Scan resumes after the specified time period even signal is performed for the set period, the transceiver turns power OFF automatically. available. 17 steps. D Scan resume type Select the scan resume type from timer scan and pause scan. nal disappears. D Time-out timer The...
Instruction Manual
Page 25
... operation is performed and no signal is nearing exhaustion. I Lock function This function electronically locks all keys and switches to prevent accidental channel changes and function access. ➥ Continue to conserve battery power. - Only [PWR] and [PTT] are functional. - ing the power ON. ➥ Blinks when battery replacement is necessary. • When the indicator blinks, the transceiver may not be operated. (Not Appears when the battery is received...
... operation is performed and no signal is nearing exhaustion. I Lock function This function electronically locks all keys and switches to prevent accidental channel changes and function access. ➥ Continue to conserve battery power. - Only [PWR] and [PTT] are functional. - ing the power ON. ➥ Blinks when battery replacement is necessary. • When the indicator blinks, the transceiver may not be operated. (Not Appears when the battery is received...
Instruction Manual
Page 26
... [MODE] to turn the function ON and OFF. • " " appears on the display until the next search transmit. to [PWR] [MODE] [Z] their defaults. 20 If no reply is temporarily away from the transceiver. All IC-4088A's operating on the same operating channel will answer back to send a [PTT] searching signal every 60 sec. - No "Ring" tone is for 1 sec. CAUTION: Resetting the transceiver returns all settings...
... [MODE] to turn the function ON and OFF. • " " appears on the display until the next search transmit. to [PWR] [MODE] [Z] their defaults. 20 If no reply is temporarily away from the transceiver. All IC-4088A's operating on the same operating channel will answer back to send a [PTT] searching signal every 60 sec. - No "Ring" tone is for 1 sec. CAUTION: Resetting the transceiver returns all settings...
Instruction Manual
Page 28
...; Ext. range : -4˚F to +122˚F; -20˚C to change without notice or obligation. 22 rejection : More than 40 dB • Intermodulation rejection : More than 40 dB • Audio output power : More than 500 mA • Operating temp. of operating Ch. : 14 (simplex) • Mode : 11K0F3E (FM) • Frequency stability : ±2.5 ppm • Channel separation : 25 kHz • Power supply requirement...
...; Ext. range : -4˚F to +122˚F; -20˚C to change without notice or obligation. 22 rejection : More than 40 dB • Intermodulation rejection : More than 40 dB • Audio output power : More than 500 mA • Operating temp. of operating Ch. : 14 (simplex) • Mode : 11K0F3E (FM) • Frequency stability : ±2.5 ppm • Channel separation : 25 kHz • Power supply requirement...
Instruction Manual
Page 30
... VOX/PTT unit and one -touch PTT functions are available. VOX and one of the supplied AC adapter. (p. 7) BC-149A AC ADAPTER Regularly charges installed BP-202 in 15 hours (approx.). Output voltage: 6 V DC, Current capacity: 1 A CP-18A CIGARETTE LIGHTER CABLE Allows you to 1.5 hrs. BC-119N DESKTOP CHARGER + AD-105 DESKTOP CHARGER ADAPTER Rapidly charges battery pack in . An AC adapter is built-in 1 to operate the transceiver...
... VOX/PTT unit and one -touch PTT functions are available. VOX and one of the supplied AC adapter. (p. 7) BC-149A AC ADAPTER Regularly charges installed BP-202 in 15 hours (approx.). Output voltage: 6 V DC, Current capacity: 1 A CP-18A CIGARETTE LIGHTER CABLE Allows you to 1.5 hrs. BC-119N DESKTOP CHARGER + AD-105 DESKTOP CHARGER ADAPTER Rapidly charges battery pack in . An AC adapter is built-in 1 to operate the transceiver...
Instruction Manual
Page 31
..." lights red. This radio has been tested and complies with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. • American National Standards Institute (C95.3-1992), IEEE Recommended Practice for "General population." 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...
..." lights red. This radio has been tested and complies with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. • American National Standards Institute (C95.3-1992), IEEE Recommended Practice for "General population." 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...
