Instruction Manual
Page 2
... radio. i Use of unauthorized accessories can cause FCC RF exposure compliance requirements to be used only during transmit mode. C AU TIO N tached, as hospitals, aircraft, and blasting sites. This radio is transmitting when the "TX indicator" lights red. To provide the recipients of your transmission the best sound quality, hold the antenna at least 5 cm (2 inches) from the body when transmitting and only use Icom authorized accessories (antennas, batteries, belt clips...
... radio. i Use of unauthorized accessories can cause FCC RF exposure compliance requirements to be used only during transmit mode. C AU TIO N tached, as hospitals, aircraft, and blasting sites. This radio is transmitting when the "TX indicator" lights red. To provide the recipients of your transmission the best sound quality, hold the antenna at least 5 cm (2 inches) from the body when transmitting and only use Icom authorized accessories (antennas, batteries, belt clips...
Instruction Manual
Page 4
... panel and the volume/power knob maximize simplicity of operation. Intrinsically safe (I/S) version available The IC-M88 VHF MARINE TRANSCEIVER is dropped into water, it's waterproofing* will protect it from harm. IMPORTANT READ ALL INSTRUCTIONS carefully and com- struction manual contains important operating instructions for purchasing this Icom product. A large, clear LCD with backlighting and backlit buttons make night time operation simple. EXPLICIT...
... panel and the volume/power knob maximize simplicity of operation. Intrinsically safe (I/S) version available The IC-M88 VHF MARINE TRANSCEIVER is dropped into water, it's waterproofing* will protect it from harm. IMPORTANT READ ALL INSTRUCTIONS carefully and com- struction manual contains important operating instructions for purchasing this Icom product. A large, clear LCD with backlighting and backlit buttons make night time operation simple. EXPLICIT...
Instruction Manual
Page 5
...°F) or above +60°C (+140°F): LMR. KEEP the transceiver out of the reach of the transceiver to , or touching exposed parts of the body, especially the face or eyes, while transmitting. For U.S.A. RWARNING! AVOID using or placing the transceiver in direct sunlight or in the United States, United Kingdom, Germany, France, Spain, Russia and/or other than the...
...°F) or above +60°C (+140°F): LMR. KEEP the transceiver out of the reach of the transceiver to , or touching exposed parts of the body, especially the face or eyes, while transmitting. For U.S.A. RWARNING! AVOID using or placing the transceiver in direct sunlight or in the United States, United Kingdom, Germany, France, Spain, Russia and/or other than the...
Instruction Manual
Page 6
... display 6 4 BASIC OPERATION 8-12 AD-100 installation 25 Optional battery chargers 26 Channel selection 8 Receiving and transmitting 10 10 SPEAKER-MICROPHONE 27 HM-138 Description 27 Adjusting the squelch level 11 Attachments 27 Automatic backlighting 11 11 TROUBLESHOOTING 28 Voice scrambler operation 11 Call channel programming 12 Lock function 12 5 SCAN OPERATION 13-14 Scan types 13 12 VHF MARINE CHANNEL LIST 29 13 SPECIFICATIONS 30 14 QUICK REFERENCE 31 15 OPTIONS 33 Setting...
... display 6 4 BASIC OPERATION 8-12 AD-100 installation 25 Optional battery chargers 26 Channel selection 8 Receiving and transmitting 10 10 SPEAKER-MICROPHONE 27 HM-138 Description 27 Adjusting the squelch level 11 Attachments 27 Automatic backlighting 11 11 TROUBLESHOOTING 28 Voice scrambler operation 11 Call channel programming 12 Lock function 12 5 SCAN OPERATION 13-14 Scan types 13 12 VHF MARINE CHANNEL LIST 29 13 SPECIFICATIONS 30 14 QUICK REFERENCE 31 15 OPTIONS 33 Setting...
Instruction Manual
Page 10
... [SP MIC] jack cover attached to the transceiver when the speaker-microphone is pushed for 3 sec. (p. 12) 4 r SCAN [SCN•DUAL] (pgs. 14, 15) • Starts and stops normal or priority scan. • Enters Watch mode when pushed for 1 sec. (p. 8) • Enters call channel write mode when the call channel is selected and this switch is not in use. w ANTENNA CONNECTOR (p. 3) Connects the supplied antenna. t TRANSMIT POWER/LOCK SWITCH [H/L•LOCK...
... [SP MIC] jack cover attached to the transceiver when the speaker-microphone is pushed for 3 sec. (p. 12) 4 r SCAN [SCN•DUAL] (pgs. 14, 15) • Starts and stops normal or priority scan. • Enters Watch mode when pushed for 1 sec. (p. 8) • Enters call channel write mode when the call channel is selected and this switch is not in use. w ANTENNA CONNECTOR (p. 3) Connects the supplied antenna. t TRANSMIT POWER/LOCK SWITCH [H/L•LOCK...
Instruction Manual
Page 11
... channels and weather channel when pushed. (pgs. 8, 9, 16) • Selects one of the arrow (w), then lock it with [Y]/[Z]. • Manually opens the squelch for 1 sec. • While turning power ON, clears all tag channels in the direction of item. (p. 17) • Checks tag channels or changes scanning direction during scan. (p. 14) • Sets and clears the displayed channel as shown below. q Battery release button CAUTION!: When pushing the battery release button, slide the battery...
... channels and weather channel when pushed. (pgs. 8, 9, 16) • Selects one of the arrow (w), then lock it with [Y]/[Z]. • Manually opens the squelch for 1 sec. • While turning power ON, clears all tag channels in the direction of item. (p. 17) • Checks tag channels or changes scanning direction during scan. (p. 14) • Sets and clears the displayed channel as shown below. q Battery release button CAUTION!: When pushing the battery release button, slide the battery...
Instruction Manual
Page 14
... monitor Channel 16. to select the operating channel. 9 Push for emergency communications. See the "Call channel programming" on p. 12 for 1 sec. w Push [CH/WX•U/I /C/L] to return to select Channel 16. Each regular channel group has separate call channels can be reprogrammed (p. 12) and are used to select the operating channel. 9 Push D Channel 9 (Call channel) Channel 9 is automatically monitored during tri-watch . 4 BASIC OPERATION Channel selection D Channel 16 Channel 16 (Distress channel...
... monitor Channel 16. to select the operating channel. 9 Push for emergency communications. See the "Call channel programming" on p. 12 for 1 sec. w Push [CH/WX•U/I /C/L] to return to select Channel 16. Each regular channel group has separate call channels can be reprogrammed (p. 12) and are used to select the operating channel. 9 Push D Channel 9 (Call channel) Channel 9 is automatically monitored during tri-watch . 4 BASIC OPERATION Channel selection D Channel 16 Channel 16 (Distress channel...
Instruction Manual
Page 15
... are 57 U.S.A., 57 International, and 61 Canadian channels. lecting the weather channel group. See the "SET mode items" on p. 18 for the operating area. BASIC OPERATION 4 D U.S.A., International and Canadian channels There are used for monitoring weather channels from the NOAA (National Oceanographic and Atmospheric Administration) broadcasts. e To change the channel group, push [CH/WX•U/I /C/L D Weather channels (Available for duplex channels. q Push [CH/WX•U/I /C/L] to return to...
... are 57 U.S.A., 57 International, and 61 Canadian channels. lecting the weather channel group. See the "SET mode items" on p. 18 for the operating area. BASIC OPERATION 4 D U.S.A., International and Canadian channels There are used for monitoring weather channels from the NOAA (National Oceanographic and Atmospheric Administration) broadcasts. e To change the channel group, push [CH/WX•U/I /C/L D Weather channels (Available for duplex channels. q Push [CH/WX•U/I /C/L] to return to...
Instruction Manual
Page 16
... OPERATION Receiving and transmitting CAUTION: Transmitting without an antenna may be used for transmission (for low power only. q Rotate [VOL] clockwise to set the audio output level. After pushing the [SQL] for 1 sec., the squelch function is cut off until [SQL] is received for 5 sec. "LOW" appears when low power is selected; y Push and hold to transmit u Release to conserve the battery power and it cannot be turned OFF. Channel 70...
... OPERATION Receiving and transmitting CAUTION: Transmitting without an antenna may be used for transmission (for low power only. q Rotate [VOL] clockwise to set the audio output level. After pushing the [SQL] for 1 sec., the squelch function is cut off until [SQL] is received for 5 sec. "LOW" appears when low power is selected; y Push and hold to transmit u Release to conserve the battery power and it cannot be turned OFF. Channel 70...
Instruction Manual
Page 17
.... q Select an operating channel except Channel 16, 70 or weather channels. e To turn the backlighting ON. • The backlighting is automatically turned OFF after 5 sec. q Push [SQL], then adjust the squelch level with [Y]/[Z]. - BASIC OPERATION 4 Adjusting the squelch level The IC-M88 has a squelch even though there is no key is pushed for the scan to function effectively, the squelch must be activated in SET mode. (p. 19) ➥...
.... q Select an operating channel except Channel 16, 70 or weather channels. e To turn the backlighting ON. • The backlighting is automatically turned OFF after 5 sec. q Push [SQL], then adjust the squelch level with [Y]/[Z]. - BASIC OPERATION 4 Adjusting the squelch level The IC-M88 has a squelch even though there is no key is pushed for the scan to function effectively, the squelch must be activated in SET mode. (p. 19) ➥...
Instruction Manual
Page 18
.... e Push [16•9] again for 3 sec. (until a long beep changes to 2 short beeps) to enter call channel number stop flashing. q Push [CH/WX•U/I/C/L] for 1 sec. t Push [16•9] to program the displayed channel as the call channel. • The call channel programming condition. • Call channel number to prevent accidental channel changes and function access. • Push [H/L•LOCK] for [PTT], [SQL] and [H/L•LOCK]) to be...
.... e Push [16•9] again for 3 sec. (until a long beep changes to 2 short beeps) to enter call channel number stop flashing. q Push [CH/WX•U/I/C/L] for 1 sec. t Push [16•9] to program the displayed channel as the call channel. • The call channel programming condition. • Call channel number to prevent accidental channel changes and function access. • Push [H/L•LOCK] for [PTT], [SQL] and [H/L•LOCK]) to be...
Instruction Manual
Page 19
In addition, the weather alert and auto scan function is an efficient way to locate signals quickly over a wide frequency range. when a signal is set as digital communications. The transceiver has priority scan and normal scan. Choose priority or normal scan in sequence while monitoring Channel 16. However, unlike priority scan, Channel 16 is not checked unless Channel 16 is detected on the settings in sequence...
In addition, the weather alert and auto scan function is an efficient way to locate signals quickly over a wide frequency range. when a signal is set as digital communications. The transceiver has priority scan and normal scan. Choose priority or normal scan in sequence while monitoring Channel 16. However, unlike priority scan, Channel 16 is not checked unless Channel 16 is detected on the settings in sequence...
Instruction Manual
Page 20
... stop the scan. 14 to clear all tag channels in the selected channel group While pushing and holding both [Y] and [Z] for 1 sec. Scan pauses when receiving a signal and audio is in use, select the desired weather channel with [CH/WX•U/I /C/L] for 1 sec., if desired. r To cancel the tag channel setting, push both [Y] and [Z], turn power ON to set as a tag channel. 5 SCAN OPERATION Setting tag channels For more efficient scanning...
... stop the scan. 14 to clear all tag channels in the selected channel group While pushing and holding both [Y] and [Z] for 1 sec. Scan pauses when receiving a signal and audio is in use, select the desired weather channel with [CH/WX•U/I /C/L] for 1 sec., if desired. r To cancel the tag channel setting, push both [Y] and [Z], turn power ON to set as a tag channel. 5 SCAN OPERATION Setting tag channels For more efficient scanning...
Instruction Manual
Page 21
... checking the operating channel every cycle. after the signal disappears. 15 Push for 0.5 sec. Tri-watch monitors Channel 16 and the call channel. "TRI" blinks during dualwatch; Signal is received on Channel 16. • Tri-watch becomes dualwatch when receiving a signal on INT channel 07. ing on SET mode setting). • "DUAL" blinks during tri-watch. • A beep tone sounds when a signal is received on call channel during tri...
... checking the operating channel every cycle. after the signal disappears. 15 Push for 0.5 sec. Tri-watch monitors Channel 16 and the call channel. "TRI" blinks during dualwatch; Signal is received on Channel 16. • Tri-watch becomes dualwatch when receiving a signal on INT channel 07. ing on SET mode setting). • "DUAL" blinks during tri-watch. • A beep tone sounds when a signal is received on call channel during tri...
Instruction Manual
Page 22
.... 7 LAND CHANNEL OPERATION LAND Channel Group A max. Appears when DTCS is set . Refer to 174.000 MHz) can be programmed into the LAND channel group for simple communication with LMR transceivers in the VHF band. call channel programming) are same as that of 22 free LAND mobile channels (allocated 146.000 to the appropriate pages for the LAND channel group setting and LMR frequency programming details. The default setting of...
.... 7 LAND CHANNEL OPERATION LAND Channel Group A max. Appears when DTCS is set . Refer to 174.000 MHz) can be programmed into the LAND channel group for simple communication with LMR transceivers in the VHF band. call channel programming) are same as that of 22 free LAND mobile channels (allocated 146.000 to the appropriate pages for the LAND channel group setting and LMR frequency programming details. The default setting of...
Instruction Manual
Page 23
... displays show the default settings, and the item initial is used to enter SET mode. • "bp" appears. e Push [SQL] to select the desired condition of 13 transceiver functions: beep tone function, weather alert function, priority scan function, scan resume timer, auto scan function, dual/triwatch function, monitor switch action, automatic backlighting, LCD contrast selection, auto power save function, self check function, battery voltage indicator and scrambler code*. 8 SET MODE SET mode programming SET mode is displayed...
... displays show the default settings, and the item initial is used to enter SET mode. • "bp" appears. e Push [SQL] to select the desired condition of 13 transceiver functions: beep tone function, weather alert function, priority scan function, scan resume timer, auto scan function, dual/triwatch function, monitor switch action, automatic backlighting, LCD contrast selection, auto power save function, self check function, battery voltage indicator and scrambler code*. 8 SET MODE SET mode programming SET mode is displayed...
Instruction Manual
Page 24
... preset beeps (e.g. do, re, mi) sound. When ON is set as a pause (OFF) or timer scan (ON). after receiving a signal and then resumes even if the signal has been received. Normal scan searches all tag channels in the selected channel group. PUSH PUSH Beep tone ON (default) User Beep D Weather alert function "AL" An NOAA broadcast station transmits a weather alert tone before any time during standby, or while scanning, when the power save function...
... preset beeps (e.g. do, re, mi) sound. When ON is set as a pause (OFF) or timer scan (ON). after receiving a signal and then resumes even if the signal has been received. Normal scan searches all tag channels in the selected channel group. PUSH PUSH Beep tone ON (default) User Beep D Weather alert function "AL" An NOAA broadcast station transmits a weather alert tone before any time during standby, or while scanning, when the power save function...
Instruction Manual
Page 27
... Scrambler code** "cd" 1* / 2 / / 32 * default setting ** Available for I /S version only) There are 32 codes (1 to understand each other, all transceivers in your group must have the same scramble code. after power is displayed for I /S version only 21 PUSH SET MODE LIST Function Indication Switch Beep tone function "bP" OFF / ON* / US Weather alert function "AL" OFF* / ON Priority scan function "Pr" OFF* / ON Battery voltage OFF (default) Battery voltage ON Scan...
... Scrambler code** "cd" 1* / 2 / / 32 * default setting ** Available for I /S version only) There are 32 codes (1 to understand each other, all transceivers in your group must have the same scramble code. after power is displayed for I /S version only 21 PUSH SET MODE LIST Function Indication Switch Beep tone function "bP" OFF / ON* / US Weather alert function "AL" OFF* / ON Priority scan function "Pr" OFF* / ON Battery voltage OFF (default) Battery voltage ON Scan...
Instruction Manual
Page 34
... error. (Temperature) • The temperature is outside of -35°C to • Leave the transceiver at your local - distributor or dealer to normal. Transmitting is set to low. • Push [H/L•LOCK] to ON (Fix Beep/User p. 18 Beep) in SET mode. No sound from speaker. • Squelch level is too deep. • Volume level is activated. not turn ON. • Bad connection to the battery pack. • Recharge...
... error. (Temperature) • The temperature is outside of -35°C to • Leave the transceiver at your local - distributor or dealer to normal. Transmitting is set to low. • Push [H/L•LOCK] to ON (Fix Beep/User p. 18 Beep) in SET mode. No sound from speaker. • Squelch level is too deep. • Volume level is activated. not turn ON. • Bad connection to the battery pack. • Recharge...
Instruction Manual
Page 35
..., 82 and 83 CANNOT be lawfully used by the general public in USA waters. 29 12 VHF MARINE CHANNEL LIST Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) USA INT CAN Transmit Receive USA INT CAN Transmit Receive USA INT CAN Transmit Receive USA INT CAN Transmit Receive 01 01A 02 03 03A 01 156... 60 156.025 160.625 79 156.975 161.575 79A 79A 156.975 156.975 Frequency (MHz) WX channel Transmit Receive 11 11 11 156.550 156.550 61 156.075 160.675 80 157.025 161.....225 157.225 10 RX only 163.275 *Low power only.
..., 82 and 83 CANNOT be lawfully used by the general public in USA waters. 29 12 VHF MARINE CHANNEL LIST Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) USA INT CAN Transmit Receive USA INT CAN Transmit Receive USA INT CAN Transmit Receive USA INT CAN Transmit Receive 01 01A 02 03 03A 01 156... 60 156.025 160.625 79 156.975 161.575 79A 79A 156.975 156.975 Frequency (MHz) WX channel Transmit Receive 11 11 11 156.550 156.550 61 156.075 160.675 80 157.025 161.....225 157.225 10 RX only 163.275 *Low power only.