Instruction Manual
Page 6
... 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...
... 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...
Instruction Manual
Page 11
... the squelch level with the battery release button. *Slide the battery pack until the battery release button makes a 'click' sound. Battery pack w o SQUELCH SWITCH [SQL] (p. 11) • Push this switch, turn the power ON to enter the set mode. !0 PTT SWITCH [PTT] Push and hold to your fingers or nails...
... the squelch level with the battery release button. *Slide the battery pack until the battery release button makes a 'click' sound. Battery pack w o SQUELCH SWITCH [SQL] (p. 11) • Push this switch, turn the power ON to enter the set mode. !0 PTT SWITCH [PTT] Push and hold to your fingers or nails...
Instruction Manual
Page 13
"I /S version only) Appears when the optional voice scrambler is activated. (pgs. 11, 21) !2 DUPLEX INDICATOR Appears when a duplex channel is selected. !3 SUB CHANNEL READOUT • Indicates Channel 16 during priority scan, dualwatch or tri-watch . !1 SCRAMBLER INDICATOR (...
"I /S version only) Appears when the optional voice scrambler is activated. (pgs. 11, 21) !2 DUPLEX INDICATOR Appears when a duplex channel is selected. !3 SUB CHANNEL READOUT • Indicates Channel 16 during priority scan, dualwatch or tri-watch . !1 SCRAMBLER INDICATOR (...
Instruction Manual
Page 17
...SET mode. (p. 19) ➥ Push any key except 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 receive or send scrambled transmissions, you must have the same scramble code, ..."SCRM" appears. e To turn the backlighting ON. • The backlighting is automatically turned OFF after 5 sec. BASIC OPERATION 4 Adjusting the squelch level The IC-M88 has a squelch even though there is no key is pushed for programming. In order to normal condition.
...SET mode. (p. 19) ➥ Push any key except 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 receive or send scrambled transmissions, you must have the same scramble code, ..."SCRM" appears. e To turn the backlighting ON. • The backlighting is automatically turned OFF after 5 sec. BASIC OPERATION 4 Adjusting the squelch level The IC-M88 has a squelch even though there is no key is pushed for programming. In order to normal condition.
Instruction Manual
Page 34
... intrusion) • Water has entered the transceiver. • Have the transceiver checked at room temperature - +73°C; -31°F to normal. REF. 11 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION. No sound from the speaker. not be changed. • Push [H/L•LOCK] for a while. p. 22... p. 5 p. 11 p. 10 - p. 14 No beeps. • Beep tones are turned OFF. • Set the beep tones to select high power. Self check error. (...
... intrusion) • Water has entered the transceiver. • Have the transceiver checked at room temperature - +73°C; -31°F to normal. REF. 11 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION. No sound from the speaker. not be changed. • Push [H/L•LOCK] for a while. p. 22... p. 5 p. 11 p. 10 - p. 14 No beeps. • Beep tones are turned OFF. • Set the beep tones to select high power. Self check error. (...
Instruction Manual
Page 35
... 162.000 60 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 80 157.025 161.625 1 RX only 162.550 12 12 12 156.600 156.600...
... 162.000 60 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 80 157.025 161.625 1 RX only 162.550 12 12 12 156.600 156.600...
Instruction Manual
Page 38
... select the desired channel. to select the desired channel. w Select WX channel; or start /stop scanning. LOCK FUNCTION (p. 12) LOCK Push for 1 sec. VOICE SCRAMBLER (p. 11) (Available for 1 sec. w Push both [Y] and [Z] for the I/S version only) q Set a scram- TAG CHANNELS (p. 14) q Push [Y]/[Z] to regular operating mode. SET MODE (pgs. 17-21...
... select the desired channel. to select the desired channel. w Select WX channel; or start /stop scanning. LOCK FUNCTION (p. 12) LOCK Push for 1 sec. VOICE SCRAMBLER (p. 11) (Available for 1 sec. w Push both [Y] and [Z] for the I/S version only) q Set a scram- TAG CHANNELS (p. 14) q Push [Y]/[Z] to regular operating mode. SET MODE (pgs. 17-21...