Instruction Manual
Page 2
...% of the time can cause the FCC RF exposure compliance requirements to minimize such hazards. DO NOT operate the transmitter in areas that your belt, etc., to ensure FCC RF exposure compliance requirements are posted to RF electromagnetic energy is transmitting when the "TX indicator" lights red. Transmitting more than 50% of total radio use the Icom belt-clips which are listed on page 31...
...% of the time can cause the FCC RF exposure compliance requirements to minimize such hazards. DO NOT operate the transmitter in areas that your belt, etc., to ensure FCC RF exposure compliance requirements are posted to RF electromagnetic energy is transmitting when the "TX indicator" lights red. Transmitting more than 50% of total radio use the Icom belt-clips which are listed on page 31...
Instruction Manual
Page 4
... and the volume/power knob maximize simplicity of trouble-free operation. pletely before using the transceiver. The compact and durable body meets the military specifications (MIL-STD). * Equivalent to operate. FOREWORD FEATURES Thank you with backlighting and backlit buttons make night time operation simple. struction manual contains important operating instructions for Land use The IC-M88 has 22 free channels reserved for the IC-M88. Tough waterproof construction The IC-M88 is designed...
... and the volume/power knob maximize simplicity of trouble-free operation. pletely before using the transceiver. The compact and durable body meets the military specifications (MIL-STD). * Equivalent to operate. FOREWORD FEATURES Thank you with backlighting and backlit buttons make night time operation simple. struction manual contains important operating instructions for Land use The IC-M88 has 22 free channels reserved for the IC-M88. Tough waterproof construction The IC-M88 is designed...
Instruction Manual
Page 5
..., especially the face or eyes, while transmitting. However, once the transceiver has been dropped, waterproofing cannot be guaranteed due to operate this device, not expressly approved by Icom Inc., could void your vessel's magnetic navigation compass. MAKE SURE the flexible antenna and battery pack are securely attached to the transceiver. Exposing the inside of children...
..., especially the face or eyes, while transmitting. However, once the transceiver has been dropped, waterproofing cannot be guaranteed due to operate this device, not expressly approved by Icom Inc., could void your vessel's magnetic navigation compass. MAKE SURE the flexible antenna and battery pack are securely attached to the transceiver. Exposing the inside of children...
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 7
... license before using the transceiver. The Restricted Radiotelephone Operator Permit must have these on VHF marine channels 3, 21, 23, 61, 64, 81, 82 and 83, according to FCC regulations these simplex channels cannot be lawfully used in any way. • Indecent or profane language is prohibited. However, even if you cannot lawfully be kept with the operator. NOTE: Even though the IC-M88...
... license before using the transceiver. The Restricted Radiotelephone Operator Permit must have these on VHF marine channels 3, 21, 23, 61, 64, 81, 82 and 83, according to FCC regulations these simplex channels cannot be lawfully used in any way. • Indecent or profane language is prohibited. However, even if you cannot lawfully be kept with the operator. NOTE: Even though the IC-M88...
Instruction Manual
Page 10
... 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. e SPEAKER-MICROPHONE CONNECTOR [SP MIC] (p.27) Connects the optional speaker-microphone. [SP MIC] jack cover NOTE: KEEP the [SP MIC] jack cover attached to the transceiver when the speaker-microphone is pushed for 1 sec. r SCAN [SCN•DUAL] (pgs. 14, 15) • Starts and stops normal or priority scan...
... 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. e SPEAKER-MICROPHONE CONNECTOR [SP MIC] (p.27) Connects the optional speaker-microphone. [SP MIC] jack cover NOTE: KEEP the [SP MIC] jack cover attached to the transceiver when the speaker-microphone is pushed for 1 sec. r SCAN [SCN•DUAL] (pgs. 14, 15) • Starts and stops normal or priority scan...
Instruction Manual
Page 11
.... Battery pack w o SQUELCH SWITCH [SQL] (p. 11) • Push this switch, then set the squelch level with the battery release button. *Slide the battery pack until the battery release button makes a 'click' sound. release to transmit; PANEL DESCRIPTION 3 u CHANNEL UP/DOWN SWITCHES [Y]/[Z] • Select an operating channel. (p. 9) • Selects the SET mode condition 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...
.... Battery pack w o SQUELCH SWITCH [SQL] (p. 11) • Push this switch, then set the squelch level with the battery release button. *Slide the battery pack until the battery release button makes a 'click' sound. release to transmit; PANEL DESCRIPTION 3 u CHANNEL UP/DOWN SWITCHES [Y]/[Z] • Select an operating channel. (p. 9) • Selects the SET mode condition 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...
Instruction Manual
Page 14
... monitor Channel 16. q Push [16•9] for details. See the "Call channel programming" on p. 12 for 1 sec. q Push [16•9] to select the operating channel. 9 Push D Channel 9 (Call channel) Channel 9 is used channels in the selected channel group. • "CALL" and the call channel number appear. • Each channel group may have its own call channel after programming a call channels. 4 BASIC OPERATION Channel selection D Channel 16 Channel 16 (Distress channel) is the leisure-use...
... monitor Channel 16. q Push [16•9] for details. See the "Call channel programming" on p. 12 for 1 sec. q Push [16•9] to select the operating channel. 9 Push D Channel 9 (Call channel) Channel 9 is used channels in the selected channel group. • "CALL" and the call channel number appear. • Each channel group may have its own call channel after programming a call channels. 4 BASIC OPERATION Channel selection D Channel 16 Channel 16 (Distress channel) is the leisure-use...
Instruction Manual
Page 15
...;ed for monitoring weather channels from the NOAA (National Oceanographic and Atmospheric Administration) broadcasts. These channel groups may be selected in another channel or during scanning. See the "LAND CHANNEL OPERATION" on the selected weather channel while receiving in sequence. e Push [CH/WX•U/I /C/L International channels Canadian channels 9 U/I /C/L] to return to the condition before se- Push U/I /C/L U.S.A. U/I /C/L For your convenience: The IC-M88 can detect a weather alert tone on p. 16...
...;ed for monitoring weather channels from the NOAA (National Oceanographic and Atmospheric Administration) broadcasts. These channel groups may be selected in another channel or during scanning. See the "LAND CHANNEL OPERATION" on the selected weather channel while receiving in sequence. e Push [CH/WX•U/I /C/L International channels Canadian channels 9 U/I /C/L] to return to the condition before se- Push U/I /C/L U.S.A. U/I /C/L For your convenience: The IC-M88 can detect a weather alert tone on p. 16...
Instruction Manual
Page 16
... IC-M88 has a time-out timer function. t Push [H/L•LOCK] to mute any audio noise if necessary. When receiving a signal, " " appears and audio is received for longer distance communications. - of [VOL] may damage the transceiver. w Use the squelch function to select the output power if necessary. - no signal is emitted from your transmitted signal, pause a few sec. y Push and hold to transmit u Release to receive q Power ON e Set volume w Opening the squelch r Set channel t Set output power 10...
... IC-M88 has a time-out timer function. t Push [H/L•LOCK] to mute any audio noise if necessary. When receiving a signal, " " appears and audio is received for longer distance communications. - of [VOL] may damage the transceiver. w Use the squelch function to select the output power if necessary. - no signal is emitted from your transmitted signal, pause a few sec. y Push and hold to transmit u Release to receive q Power ON e Set volume w Opening the squelch r Set channel t Set output power 10...
Instruction Manual
Page 17
... the same scrambler unit. In order to receive or send scrambled transmissions, you must be activated in SET mode. D Programming scramble codes There are 11 squelch levels to choose from: OP is completely open; 10 is automatically turned OFF after 5 sec. The automatic backlighting can be adjusted to the proper level. q Select an operating channel except Channel 16, 70 or weather channels. "SL" indicator appears...
... the same scrambler unit. In order to receive or send scrambled transmissions, you must be activated in SET mode. D Programming scramble codes There are 11 squelch levels to choose from: OP is completely open; 10 is automatically turned OFF after 5 sec. The automatic backlighting can be adjusted to the proper level. q Select an operating channel except Channel 16, 70 or weather channels. "SL" indicator appears...
Instruction Manual
Page 18
... lock function is used to prevent accidental channel changes and function access. • Push [H/L•LOCK] for 1 sec. e Push [16•9] again for 3 sec. (until a long beep changes to 2 short beeps) to program the displayed channel as the call channel. • The call channel key is used channels in each channel group for 1 sec. 4 BASIC OPERATION Call channel programming The call channel number stop flashing. t Push [16•9] to enter call channel number...
... lock function is used to prevent accidental channel changes and function access. • Push [H/L•LOCK] for 1 sec. e Push [16•9] again for 3 sec. (until a long beep changes to 2 short beeps) to program the displayed channel as the call channel. • The call channel key is used channels in each channel group for 1 sec. 4 BASIC OPERATION Call channel programming The call channel number stop flashing. t Push [16•9] to enter call channel number...
Instruction Manual
Page 20
.... • When the weather alert function is still monitored during priority scan.) • Push [Y]/[Z] to check the scanning tag channels, to set the displayed chan- to clear all tag channels in the selected channel group While pushing and holding both [Y] and [Z], turn power ON to set as a tag channel. Starting a scan Set the weather alert function, priority scan function, scan resume timer and auto scan function in advance, using SET mode. (pgs. 18, 19...
.... • When the weather alert function is still monitored during priority scan.) • Push [Y]/[Z] to check the scanning tag channels, to set the displayed chan- to clear all tag channels in the selected channel group While pushing and holding both [Y] and [Z], turn power ON to set as a tag channel. Starting a scan Set the weather alert function, priority scan function, scan resume timer and auto scan function in advance, using SET mode. (pgs. 18, 19...
Instruction Manual
Page 22
.... Appears when DTCS is set . Ask your local Icom dealer for simple communication with LMR transceivers in the VHF band. Push U/I /C/L] for duplex channels. NOTE: The basic settings (e.g. of the LAND channel group is selected. The default setting of 22 free LAND mobile channels (allocated 146.000 to select a regular channel. • If a weather channel appears, push [CH/WX•U/I/C/L] again. call channel programming) are same as...
.... Appears when DTCS is set . Ask your local Icom dealer for simple communication with LMR transceivers in the VHF band. Push U/I /C/L] for duplex channels. NOTE: The basic settings (e.g. of the LAND channel group is selected. The default setting of 22 free LAND mobile channels (allocated 146.000 to select a regular channel. • If a weather channel appears, push [CH/WX•U/I/C/L] again. call channel programming) are same as...
Instruction Manual
Page 23
... 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*. e Push [SQL] to enter SET mode. • "bp" appears. t To exit SET mode, push [16•9]. • SET MODE CONTENTS The displays show the default settings, and the item initial is used...
... 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*. e Push [SQL] to enter SET mode. • "bp" appears. t To exit SET mode, push [16•9]. • SET MODE CONTENTS The displays show the default settings, and the item initial is used...
Instruction Manual
Page 24
... 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 is activated. • "ALT" appears when the function is checked any important weather announcements. When OFF is selected, the scan pauses until the transceiver is turned ON, the transceiver detects the alert, the bell indicator blinks and sounds a beep tone until a received signal disappears. PUSH Scan...
... 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 is activated. • "ALT" appears when the function is checked any important weather announcements. When OFF is selected, the scan pauses until the transceiver is turned ON, the transceiver detects the alert, the bell indicator blinks and sounds a beep tone until a received signal disappears. PUSH Scan...
Instruction Manual
Page 27
... the same scramble code. SET MODE 8 D Battery voltage indicator "bt" This function contains display or non-display settings of the voltage of the connected battery pack when the power is ON. • The voltage of the connected battery pack is turned ON. In order to 32) available for programming. PUSH SET MODE LIST Function Indication Switch Beep tone function "bP" OFF / ON* / US Weather alert function "AL" OFF* / ON Priority scan function "Pr...
... the same scramble code. SET MODE 8 D Battery voltage indicator "bt" This function contains display or non-display settings of the voltage of the connected battery pack when the power is ON. • The voltage of the connected battery pack is turned ON. In order to 32) available for programming. PUSH SET MODE LIST Function Indication Switch Beep tone function "bP" OFF / ON* / US Weather alert function "AL" OFF* / ON Priority scan function "Pr...
Instruction Manual
Page 30
... set correctly, and do not mix new and old batteries together. • Keep battery contacts clean. It's a good idea to the transceiver, install 5 × AA (R6) size alkaline batteries as illustrated at right. 9 BATTERY CHARGING Optional BP-226 battery case When using the optional battery case attached to clean battery terminals once a week. 24 Fig.1 BP-226 q Latch w e Fig.2 Ribbon Fig.3 Gasket Ribbon The IC-M88...
... set correctly, and do not mix new and old batteries together. • Keep battery contacts clean. It's a good idea to the transceiver, install 5 × AA (R6) size alkaline batteries as illustrated at right. 9 BATTERY CHARGING Optional BP-226 battery case When using the optional battery case attached to clean battery terminals once a week. 24 Fig.1 BP-226 q Latch w e Fig.2 Ribbon Fig.3 Gasket Ribbon The IC-M88...
Instruction Manual
Page 34
... low power or re- • Change channels. Self check error. • The connected battery pack's voltage is • Verify the battery voltage is exhausted. 11 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION. distributor or dealer to a suitable level. • Drain water from the speaker. not turn ON. • Bad connection to the battery pack. • Recharge the battery pack. • Check the connection to ON (Fix Beep/User p. 18 Beep) in SET mode. Transmitting is set...
... low power or re- • Change channels. Self check error. • The connected battery pack's voltage is • Verify the battery voltage is exhausted. 11 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION. distributor or dealer to a suitable level. • Drain water from the speaker. not turn ON. • Bad connection to the battery pack. • Recharge the battery pack. • Check the connection to ON (Fix Beep/User p. 18 Beep) in SET mode. Transmitting is set...
Instruction Manual
Page 35
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 01 156.050 160.650 156.050 156.050 02 156.100 160.700 03 156.150 160.750....775 19 156.950 161.550 65A 65A 65A 156.275 156.275 84A 157.225 157.225 10 RX only 163.275 *Low power only. NOTE: Simplex channels 3, 21, 23, 61, 64, 81, 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 01 156.050 160.650 156.050 156.050 02 156.100 160.700 03 156.150 160.750....775 19 156.950 161.550 65A 65A 65A 156.275 156.275 84A 157.225 157.225 10 RX only 163.275 *Low power only. NOTE: Simplex channels 3, 21, 23, 61, 64, 81, 82 and 83 CANNOT be lawfully used by the general public in USA waters. 29