Instruction Manual
Page 2
... transmit for use Icom authorized accessories (antennas, batteries, belt clips, etc.). To provide the recipients of Potentially Hazardous Electromagnetic Fields- During transmissions, your Icom radio complies with the following guidelines: • DO NOT operate the radio without a proper antenna at- This radio is transmitting when the "TX indicator" lights red. Use of unauthorized accessories can possibly cause interference with the FCC RF exposure limits of the hazards, and the ways to ensure FCC...
... transmit for use Icom authorized accessories (antennas, batteries, belt clips, etc.). To provide the recipients of Potentially Hazardous Electromagnetic Fields- During transmissions, your Icom radio complies with the following guidelines: • DO NOT operate the radio without a proper antenna at- This radio is transmitting when the "TX indicator" lights red. Use of unauthorized accessories can possibly cause interference with the FCC RF exposure limits of the hazards, and the ways to ensure FCC...
Instruction Manual
Page 4
... com- Tough waterproof construction The IC-M88 is designed and built with Icom's state of personal injury, fire or electric shock. struction manual contains important operating instructions for Land use (146-174MHz). A large, clear LCD with backlighting and backlit buttons make night time operation simple. With proper care this Icom product. pletely before using the transceiver. EXPLICIT DEFINITIONS WORD DEFINITION Personal injury...
... com- Tough waterproof construction The IC-M88 is designed and built with Icom's state of personal injury, fire or electric shock. struction manual contains important operating instructions for Land use (146-174MHz). A large, clear LCD with backlighting and backlit buttons make night time operation simple. With proper care this Icom product. pletely before using the transceiver. EXPLICIT DEFINITIONS WORD DEFINITION Personal injury...
Instruction Manual
Page 5
... fact that the antenna is vertical. MAKE SURE the flexible antenna and battery pack are registered trademarks of children. only CAUTION: Changes or modifications to this device under FCC regulations. This may be guaranteed due to , or touching exposed parts of the body, especially the face or eyes, while transmitting. NEVER connect the transceiver to operate this device...
... fact that the antenna is vertical. MAKE SURE the flexible antenna and battery pack are registered trademarks of children. only CAUTION: Changes or modifications to this device under FCC regulations. This may be guaranteed due to , or touching exposed parts of the body, especially the face or eyes, while transmitting. NEVER connect the transceiver to operate this device...
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
..., top and side panels q w !0 e o i r u t y q VOLUME CONTROL [VOL] Turns power ON and adjusts the audio level. 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 when pushed for 1 sec. t TRANSMIT POWER/LOCK SWITCH [H/L•LOCK] • Selects high, middle or low power when pushed. (p. 10) •...
..., top and side panels q w !0 e o i r u t y q VOLUME CONTROL [VOL] Turns power ON and adjusts the audio level. 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 when pushed for 1 sec. t TRANSMIT POWER/LOCK SWITCH [H/L•LOCK] • Selects high, middle or low power when pushed. (p. 10) •...
Instruction Manual
Page 11
... 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 a tag (scanned) channel when pushed both switches are pushed. 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. i CHANNEL/WEATHER CHANNEL SWITCH [CH/WX...
... 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 a tag (scanned) channel when pushed both switches are pushed. 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. i CHANNEL/WEATHER CHANNEL SWITCH [CH/WX...
Instruction Manual
Page 14
... monitor Channel 16. lecting Channel 16, or push [Y]/[Z] to store your most often used for establishing initial contact with another station and for emergency communications. 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. Channel 16 is automatically monitored...
... monitor Channel 16. lecting Channel 16, or push [Y]/[Z] to store your most often used for establishing initial contact with another station and for emergency communications. 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. Channel 16 is automatically monitored...
Instruction Manual
Page 15
... a weather alert tone on the setting, LAND channel can be specified for the operating area. q Push [CH/WX•U/I /C/L U.S.A. See the "SET mode items" on p. 16 for details. U/I /C/L For your convenience: The IC-M88 can be selected in another channel or during scanning. See the "LAND CHANNEL OPERATION" on p. 18 for details. Push U/I /C/L International channels Canadian channels 9 BASIC OPERATION 4 D U.S.A., International and Canadian channels There are used...
... a weather alert tone on the setting, LAND channel can be specified for the operating area. q Push [CH/WX•U/I /C/L U.S.A. See the "SET mode items" on p. 16 for details. U/I /C/L For your convenience: The IC-M88 can be selected in another channel or during scanning. See the "LAND CHANNEL OPERATION" on p. 18 for details. Push U/I /C/L International channels Canadian channels 9 BASIC OPERATION 4 D U.S.A., International and Canadian channels There are used...
Instruction Manual
Page 16
... the transceiver. w Use the squelch function to select the output power if necessary. - "LOW" appears when low power is selected. - "TX" appears. - q Rotate [VOL] clockwise to receive. u Release [PTT] to turn power ON. y Push and hold the microphone 5 to 10 cm (2 to receive q Power ON e Set volume w Opening the squelch r Set channel t Set output power 10 no signal is released. (default) e Push [SQL] for 1 sec. (see the SET mode on p. 19), and rotate volume to conserve battery power, choose high power...
... the transceiver. w Use the squelch function to select the output power if necessary. - "LOW" appears when low power is selected. - "TX" appears. - q Rotate [VOL] clockwise to receive. u Release [PTT] to turn power ON. y Push and hold the microphone 5 to 10 cm (2 to receive q Power ON e Set volume w Opening the squelch r Set channel t Set output power 10 no signal is released. (default) e Push [SQL] for 1 sec. (see the SET mode on p. 19), and rotate volume to conserve battery power, choose high power...
Instruction Manual
Page 17
... an operating channel except Channel 16, 70 or weather channels. In order to receive signals properly, as well as the same scrambler unit. The automatic backlighting can be adjusted to turn the scrambler function OFF, repeat step w. • "SCRM" disappears. BASIC OPERATION 4 Adjusting the squelch level The IC-M88 has a squelch even though there is no key is pushed for 5 sec., the transceiver returns to receive...
... an operating channel except Channel 16, 70 or weather channels. In order to receive signals properly, as well as the same scrambler unit. The automatic backlighting can be adjusted to turn the scrambler function OFF, repeat step w. • "SCRM" disappears. BASIC OPERATION 4 Adjusting the squelch level The IC-M88 has a squelch even though there is no key is pushed for 5 sec., the transceiver returns to receive...
Instruction Manual
Page 18
... [Y]/[Z] to turn the lock function ON and OFF. e Push [16•9] again for 1 sec. to select the desired channel. 4 BASIC OPERATION Call channel programming The call channel key is used channels in each channel group for quick recall. q Push [CH/WX•U/I/C/L] for 3 sec. (until a long beep changes to 2 short beeps) to enter call channel programming condition. • Call channel number to be programmed flashes. several times to...
... [Y]/[Z] to turn the lock function ON and OFF. e Push [16•9] again for 1 sec. to select the desired channel. 4 BASIC OPERATION Call channel programming The call channel key is used channels in each channel group for quick recall. q Push [CH/WX•U/I/C/L] for 3 sec. (until a long beep changes to 2 short beeps) to enter call channel programming condition. • Call channel number to be programmed flashes. several times to...
Instruction Manual
Page 19
... frequency range. The transceiver has priority scan and normal scan. Normal scan, like priority scan, searches through all tag channels in sequence. Choose priority or normal scan in SET mode. (p. 18) NORMAL SCAN CH 01 CH 02 WX* CH 16 CH 03 WX* CH 03 CH 05 CH 04 CH 05 CH 04 * Previously selected weather channel when weather alert function is ON * Previously selected weather channel when weather alert...
... frequency range. The transceiver has priority scan and normal scan. Normal scan, like priority scan, searches through all tag channels in sequence. Choose priority or normal scan in SET mode. (p. 18) NORMAL SCAN CH 01 CH 02 WX* CH 16 CH 03 WX* CH 03 CH 05 CH 04 CH 05 CH 04 * Previously selected weather channel when weather alert function is ON * Previously selected weather channel when weather alert...
Instruction Manual
Page 20
... display. according to set as a tag channel. Scan pauses when receiving a signal and audio is received, scan pauses until the signal disappears or resumes after pausing 5 sec. w Select the desired channel to clear all tag channels in advance, using SET mode. (pgs. 18, 19) q Select the desired channel group (USA, CAN, INT) by pushing [CH/WX•U/I /C/L] also stops the scan. Push DUAL Scan starts. Starting a scan Set the weather alert...
... display. according to set as a tag channel. Scan pauses when receiving a signal and audio is received, scan pauses until the signal disappears or resumes after pausing 5 sec. w Select the desired channel to clear all tag channels in advance, using SET mode. (pgs. 18, 19) q Select the desired channel group (USA, CAN, INT) by pushing [CH/WX•U/I /C/L] also stops the scan. Push DUAL Scan starts. Starting a scan Set the weather alert...
Instruction Manual
Page 21
.... • To transmit on Channel 16 takes priority. Tri-watch . • A beep tone sounds when a signal is received on SET mode setting). • "DUAL" blinks during tri-watch resumes after checking the operating channel every cycle. 6 DUALWATCH/TRI-WATCH Description Dualwatch monitors Channel 16 while you are receiving another channel. ing on call channel during tri-watch becomes dualwatch when receiving a signal on INT channel 07. "TRI" blinks during dualwatch...
.... • To transmit on Channel 16 takes priority. Tri-watch . • A beep tone sounds when a signal is received on SET mode setting). • "DUAL" blinks during tri-watch resumes after checking the operating channel every cycle. 6 DUALWATCH/TRI-WATCH Description Dualwatch monitors Channel 16 while you are receiving another channel. ing on call channel during tri-watch becomes dualwatch when receiving a signal on INT channel 07. "TRI" blinks during dualwatch...
Instruction Manual
Page 22
... VHF band. Appears when DTCS is set . The default setting of the LAND channel group is the same as the U.S.A., International and Canadian channels. 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 Function display When Narrow, DTCS or CTCSS is selected. q Push [CH/WX•U/I/C/L] to 174.000 MHz) can be programmed...
... VHF band. Appears when DTCS is set . The default setting of the LAND channel group is the same as the U.S.A., International and Canadian channels. 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 Function display When Narrow, DTCS or CTCSS is selected. q Push [CH/WX•U/I/C/L] to 174.000 MHz) can be programmed...
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
... 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. PUSH Scan resume timer OFF (default) Scan resume timer ON Weather alert function OFF (default) 18 Weather alert function ON 8 SET MODE SET mode items D Beep tone function "bP" You can select silent operation by turning the beep tones...
... 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. PUSH Scan resume timer OFF (default) Scan resume timer ON Weather alert function OFF (default) 18 Weather alert function ON 8 SET MODE SET mode items D Beep tone function "bP" You can select silent operation by turning the beep tones...
Instruction Manual
Page 27
... 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. after power is displayed for programming. In order to 32) available for 2 sec. 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...
... 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. after power is displayed for programming. In order to 32) available for 2 sec. 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...
Instruction Manual
Page 34
... The displayed channel • Lock function is too low. • Speaker has been exposed to water. • Set squelch to the threshold point. • Set [VOL] to +163°F (approx) for 1 sec. Turn the power ON to check if the internal temperature has returned to ON (Fix Beep/User p. 18 Beep) in SET mode. No sound from the speaker. p. 22 p. 5 p. 11 p. 10 - p. 14 No beeps. • Beep tones are turned...
... The displayed channel • Lock function is too low. • Speaker has been exposed to water. • Set squelch to the threshold point. • Set [VOL] to +163°F (approx) for 1 sec. Turn the power ON to check if the internal temperature has returned to ON (Fix Beep/User p. 18 Beep) in SET mode. No sound from the speaker. p. 22 p. 5 p. 11 p. 10 - p. 14 No beeps. • Beep tones are turned...
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.