Instruction Manual
Page 2
... interference with this radio. SAFETY TRAINING INFORMATION W AR N IN G Your Icom radio generates RF electromagnetic energy during the course of unauthorized accessories can cause FCC RF exposure compliance requirements to one side. This radio is transmitting when the "TX indicator" lights red. The information listed above provides the user with the information needed to make him or her aware of the hazards, and the ways...
... interference with this radio. SAFETY TRAINING INFORMATION W AR N IN G Your Icom radio generates RF electromagnetic energy during the course of unauthorized accessories can cause FCC RF exposure compliance requirements to one side. This radio is transmitting when the "TX indicator" lights red. The information listed above provides the user with the information needed to make him or her aware of the hazards, and the ways...
Instruction Manual
Page 4
... backlit buttons make night time operation simple. Intrinsically safe (I/S) version available The IC-M88 VHF MARINE TRANSCEIVER is included. *Appropriate license may be required. SAVE THIS INSTRUCTION MANUAL-This in- NOTE If disregarded, inconvenience only. EXPLICIT DEFINITIONS WORD DEFINITION Personal injury, fire hazard or electric shock RWARNING may occur. iii 22 free channels for land use The IC-M88 has 22 free channels reserved for Land use (146...
... backlit buttons make night time operation simple. Intrinsically safe (I/S) version available The IC-M88 VHF MARINE TRANSCEIVER is included. *Appropriate license may be required. SAVE THIS INSTRUCTION MANUAL-This in- NOTE If disregarded, inconvenience only. EXPLICIT DEFINITIONS WORD DEFINITION Personal injury, fire hazard or electric shock RWARNING may occur. iii 22 free channels for land use The IC-M88 has 22 free channels reserved for Land use (146...
Instruction Manual
Page 5
...°C (+140°F): LMR. KEEP the transceiver out of the reach of the body, especially the face or eyes, while transmitting. MAKE SURE the flexible antenna and battery pack are securely attached to the transceiver, and that the antenna and battery pack are registered trademarks of the transceiver to operate this device under FCC regulations. and are dry before attachment. RWARNING...
...°C (+140°F): LMR. KEEP the transceiver out of the reach of the body, especially the face or eyes, while transmitting. MAKE SURE the flexible antenna and battery pack are securely attached to the transceiver, and that the antenna and battery pack are registered trademarks of the transceiver to operate this device under FCC regulations. and are dry before attachment. RWARNING...
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
... call sign which is compulsory. NOTE: Even though the IC-M88 is not required for radio purposes. (2) OPERATOR'S LICENSE A restricted Radiotelephone Operator Permit is the license most often held by small vessel radio operators when a radio is capable of operation on another channel. • False or fraudulent distress calls are not operating on VHF marine channels 3, 21, 23, 61, 64, 81, 82 and 83, according...
... call sign which is compulsory. NOTE: Even though the IC-M88 is not required for radio purposes. (2) OPERATOR'S LICENSE A restricted Radiotelephone Operator Permit is the license most often held by small vessel radio operators when a radio is capable of operation on another channel. • False or fraudulent distress calls are not operating on VHF marine channels 3, 21, 23, 61, 64, 81, 82 and 83, according...
Instruction Manual
Page 10
w ANTENNA CONNECTOR (p. 3) Connects the supplied antenna. t TRANSMIT POWER/LOCK SWITCH [H/L•LOCK] • Selects high, middle or low power when pushed. (p. 10) • Toggles the lock function ON/OFF when pushed for 1 sec. (p. 12) y CHANNEL 16 SWITCH [16•9] • Selects Channel 16 when pushed. (p. 8) • Selects the call channel when pushed for 1 sec. (p. 8) • Enters call channel write mode when the call channel is selected and this switch is...
w ANTENNA CONNECTOR (p. 3) Connects the supplied antenna. t TRANSMIT POWER/LOCK SWITCH [H/L•LOCK] • Selects high, middle or low power when pushed. (p. 10) • Toggles the lock function ON/OFF when pushed for 1 sec. (p. 12) y CHANNEL 16 SWITCH [16•9] • Selects Channel 16 when pushed. (p. 8) • Selects the call channel when pushed for 1 sec. (p. 8) • Enters call channel write mode when the call channel is selected and this switch is...
Instruction Manual
Page 11
... this switch, turn the power ON to enter the set the squelch level with the battery release button. *Slide the battery pack until the battery release button makes a 'click' sound. This will prevent possible injuring to receive. i CHANNEL/WEATHER CHANNEL SWITCH [CH/WX•U/I/C/L] • Selects and toggles the regular 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...
... this switch, turn the power ON to enter the set the squelch level with the battery release button. *Slide the battery pack until the battery release button makes a 'click' sound. This will prevent possible injuring to receive. i CHANNEL/WEATHER CHANNEL SWITCH [CH/WX•U/I/C/L] • Selects and toggles the regular 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...
Instruction Manual
Page 14
... quick recall. The 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) 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 channel. lecting Channel 16, or push [Y]/[Z] to...
... quick recall. The 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) 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 channel. lecting Channel 16, or push [Y]/[Z] to...
Instruction Manual
Page 15
... se- channels U/I /C/L] to select the weather channel group. See the "LAND CHANNEL OPERATION" on p. 18 for duplex channels. Push U/I /C/L] to return to select a channel. • "DUP" appears for details. q Push [CH/WX•U/I /C/L D Weather channels (Available for 1 sec. These channel groups may be selected in another channel or during scanning. Depending on the setting, LAND channel can detect a weather alert tone on the selected weather channel while receiving in sequence...
... se- channels U/I /C/L] to select the weather channel group. See the "LAND CHANNEL OPERATION" on p. 18 for duplex channels. Push U/I /C/L] to return to select a channel. • "DUP" appears for details. q Push [CH/WX•U/I /C/L D Weather channels (Available for 1 sec. These channel groups may be selected in another channel or during scanning. Depending on the setting, LAND channel can detect a weather alert tone on the selected weather channel while receiving in sequence...
Instruction Manual
Page 16
...., the IC-M88 has a time-out timer function. This timer cuts a transmission OFF after pushing [PTT], hold the microphone 5 to 10 cm (2 to 4 inches) from the speaker. - w Use the squelch function to receive. "TX" appears. - y Push and hold [PTT] to conserve the battery power and it cannot be used for transmission (for longer distance communications. - q Rotate [VOL] clockwise to receive q Power ON e Set volume w Opening the squelch r Set channel t Set output power 10...
...., the IC-M88 has a time-out timer function. This timer cuts a transmission OFF after pushing [PTT], hold the microphone 5 to 10 cm (2 to 4 inches) from the speaker. - w Use the squelch function to receive. "TX" appears. - y Push and hold [PTT] to conserve the battery power and it cannot be used for transmission (for longer distance communications. - q Rotate [VOL] clockwise to receive q Power ON e Set volume w Opening the squelch r Set channel t Set output power 10...
Instruction Manual
Page 17
..., all transceivers in SET mode. In order to receive signals properly, as well as the same scrambler unit. Automatic backlighting This function is convenient for scrambler code setting details. 11 of inactivity. q Select an operating channel except Channel 16, 70 or weather channels. D Programming scramble codes There are 11 squelch levels to choose from: OP is completely open; 10 is the tight squelch level. - Set the code in your...
..., all transceivers in SET mode. In order to receive signals properly, as well as the same scrambler unit. Automatic backlighting This function is convenient for scrambler code setting details. 11 of inactivity. q Select an operating channel except Channel 16, 70 or weather channels. D Programming scramble codes There are 11 squelch levels to choose from: OP is completely open; 10 is the tight squelch level. - Set the code in your...
Instruction Manual
Page 18
... a long beep changes to 2 short beeps) to enter call channel programming condition. • Call channel number to be programmed. e Push [16•9] again for 1 sec. several times to select the desired channel group (USA, INT, CAN) to be programmed flashes. Appears while the lock function is used to select Channel 9 by default, however, you can program your most often-used . 12 r Push [Y]/[Z] to turn the lock function ON...
... a long beep changes to 2 short beeps) to enter call channel programming condition. • Call channel number to be programmed. e Push [16•9] again for 1 sec. several times to select the desired channel group (USA, INT, CAN) to be programmed flashes. Appears while the lock function is used to select Channel 9 by default, however, you can program your most often-used . 12 r Push [Y]/[Z] to turn the lock function ON...
Instruction Manual
Page 20
... channels. w Push [SCN•DUAL] to change the scanning direction or resume the scan manually. according to SET mode setting. (Channel 16 is still monitored during priority scan.) • Push [Y]/[Z] to check the scanning tag channels, to start priority or normal scan. • "SCAN" blinks in the function display. • "16" appears during scanning. Push DUAL Scan starts. Starting a scan Set the weather alert function, priority scan function, scan resume timer and auto scan function in advance, using SET mode...
... channels. w Push [SCN•DUAL] to change the scanning direction or resume the scan manually. according to SET mode setting. (Channel 16 is still monitored during priority scan.) • Push [Y]/[Z] to check the scanning tag channels, to start priority or normal scan. • "SCAN" blinks in the function display. • "16" appears during scanning. Push DUAL Scan starts. Starting a scan Set the weather alert function, priority scan function, scan resume timer and auto scan function in advance, using SET mode...
Instruction Manual
Page 22
... U/I /C/L] again. 7 LAND CHANNEL OPERATION LAND Channel Group A max. Appears when CTCSS set . q Push [CH/WX•U/I/C/L] to 174.000 MHz) can be programmed. Ask your local Icom dealer for duplex channels. Refer to select a channel. • "DUP" appears for the LAND channel group setting and LMR frequency programming details. The default setting of the INT channel group. NOTE: The basic settings (e.g. of the marine channels in the VHF band. Appears when...
... U/I /C/L] again. 7 LAND CHANNEL OPERATION LAND Channel Group A max. Appears when CTCSS set . q Push [CH/WX•U/I/C/L] to 174.000 MHz) can be programmed. Ask your local Icom dealer for duplex channels. Refer to select a channel. • "DUP" appears for the LAND channel group setting and LMR frequency programming details. The default setting of the INT channel group. NOTE: The basic settings (e.g. of the marine channels in the VHF band. Appears when...
Instruction Manual
Page 23
...;9]. • SET MODE CONTENTS The displays show the default settings, and the item initial is used 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*. e Push [SQL] to enter SET mode. •...
...;9]. • SET MODE CONTENTS The displays show the default settings, and the item initial is used 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*. e Push [SQL] to enter SET mode. •...
Instruction Manual
Page 24
... (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. D Priority scan function "Pr" The transceiver has 2 scan types-normal and priority scans. When the weather alert function is turned ON, the transceiver detects the alert, the bell indicator blinks and sounds a beep tone until a received...
... (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. D Priority scan function "Pr" The transceiver has 2 scan types-normal and priority scans. When the weather alert function is turned ON, the transceiver detects the alert, the bell indicator blinks and sounds a beep tone until a received...
Instruction Manual
Page 27
... the connected battery pack is turned ON. after power is displayed 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. 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 resume timer Auto scan function...
... the connected battery pack is turned ON. after power is displayed 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. 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 resume timer Auto scan function...
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
...; Change channels. pgs. 8, 9, 29 p. 22 p. 10 The displayed channel • Lock function is set to low. • Push [H/L•LOCK] to • Leave the transceiver at your local - p. 14 No beeps. • Beep tones are not programmed. • Set the desired channels as "TAG" channels. Self check error. • The connected battery pack's voltage is • Verify the battery voltage is outside of -35°C to select high power. 11 TROUBLESHOOTING PROBLEM POSSIBLE...
...; Change channels. pgs. 8, 9, 29 p. 22 p. 10 The displayed channel • Lock function is set to low. • Push [H/L•LOCK] to • Leave the transceiver at your local - p. 14 No beeps. • Beep tones are not programmed. • Set the desired channels as "TAG" channels. Self check error. • The connected battery pack's voltage is • Verify the battery voltage is outside of -35°C to select high power. 11 TROUBLESHOOTING PROBLEM POSSIBLE...
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.