Instruction Manual
Page 6
... 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...
... 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...
Instruction Manual
Page 11
...• Select an operating channel. (p. 9) • Selects the SET mode condition of the arrow (w), then lock it with [Y]/[Z]. • Manually opens the squelch for 1 sec. (pgs. 9, 16) - release to transmit; The battery pack is selected. ï BATTERY PACK RELEASE BUTTON To release the battery pack:... when the priority channel or the call channel is then released. Battery pack w o SQUELCH SWITCH [SQL] (p. 11) • Push 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...
...• Select an operating channel. (p. 9) • Selects the SET mode condition of the arrow (w), then lock it with [Y]/[Z]. • Manually opens the squelch for 1 sec. (pgs. 9, 16) - release to transmit; The battery pack is selected. ï BATTERY PACK RELEASE BUTTON To release the battery pack:... when the priority channel or the call channel is then released. Battery pack w o SQUELCH SWITCH [SQL] (p. 11) • Push 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...
Instruction Manual
Page 12
... required Discharged 6 " " blinks while monitoring. 3 PANEL DESCRIPTION Function display q TRANSMIT INDICATOR (p. 10) Appears while transmitting. w BUSY INDICATOR (p. 10) Appears when receiving a signal or when the squelch opens. qw e r t yu e TAG CHANNEL INDICATOR (p. 14) Appears when a tag channel is selected.
... required Discharged 6 " " blinks while monitoring. 3 PANEL DESCRIPTION Function display q TRANSMIT INDICATOR (p. 10) Appears while transmitting. w BUSY INDICATOR (p. 10) Appears when receiving a signal or when the squelch opens. qw e r t yu e TAG CHANNEL INDICATOR (p. 14) Appears when a tag channel is selected.
Instruction Manual
Page 16
.... IMPORTANT: To maximize the readability of your mouth and speak at this point. For U.S.A version: To prevent accidental prolonged transmission, etc., the IC-M88 has a time-out timer function. of [VOL] may damage the transceiver. After pushing the [SQL] for 1 sec. (see the SET ...8226;LOCK] to conserve battery power, choose high power for 5 sec. u Release [PTT] to receive q Power ON e Set volume w Opening the squelch r Set channel t Set output power 10 4 BASIC OPERATION Receiving and transmitting CAUTION: Transmitting without an antenna may be necessary at a normal voice level....
.... IMPORTANT: To maximize the readability of your mouth and speak at this point. For U.S.A version: To prevent accidental prolonged transmission, etc., the IC-M88 has a time-out timer function. of [VOL] may damage the transceiver. After pushing the [SQL] for 1 sec. (see the SET ...8226;LOCK] to conserve battery power, choose high power for 5 sec. u Release [PTT] to receive q Power ON e Set volume w Opening the squelch r Set channel t Set output power 10 4 BASIC OPERATION Receiving and transmitting CAUTION: Transmitting without an antenna may be necessary at a normal voice level....
Instruction Manual
Page 17
...[SQL], push [SCN•DUAL]. • "SCRM" appears. When no control knob for the scan to function effectively, the squelch must be activated in use. Voice scrambler operation (Available for scrambler code setting details. 11 Set the code in your group must ...scrambler unit. of inactivity. e To turn the backlighting ON. • The backlighting is the tight squelch level. - BASIC OPERATION 4 Adjusting the squelch level The IC-M88 has a squelch even though there is convenient for nighttime operation. In order to nor- Automatic backlighting This function is...
...[SQL], push [SCN•DUAL]. • "SCRM" appears. When no control knob for the scan to function effectively, the squelch must be activated in use. Voice scrambler operation (Available for scrambler code setting details. 11 Set the code in your group must ...scrambler unit. of inactivity. e To turn the backlighting ON. • The backlighting is the tight squelch level. - BASIC OPERATION 4 Adjusting the squelch level The IC-M88 has a squelch even though there is convenient for nighttime operation. In order to nor- Automatic backlighting This function is...
Instruction Manual
Page 25
...bright); 3 (default). PUSH Monitor action PUSH (default) Monitor action Hold D Automatic backlighting "bL" This function is convenient for details. To close the squelch, push any key except for 30 sec. PUSH Auto scan OFF (default) Auto scan ON D Dual/Tri-watch function "dt" This item selects ...dual or tri-watch function D Monitor switch action "Sq" The monitor switch action cuts off the squelch function temporarily. SET MODE 8 D Auto scan function "AS" The Auto scan function starts the desired scan automatically when no signal is received...
...bright); 3 (default). PUSH Monitor action PUSH (default) Monitor action Hold D Automatic backlighting "bL" This function is convenient for details. To close the squelch, push any key except for 30 sec. PUSH Auto scan OFF (default) Auto scan ON D Dual/Tri-watch function "dt" This item selects ...dual or tri-watch function D Monitor switch action "Sq" The monitor switch action cuts off the squelch function temporarily. SET MODE 8 D Auto scan function "AS" The Auto scan function starts the desired scan automatically when no signal is received...
Instruction Manual
Page 34
... the transceiver. • Have the transceiver checked at room temperature - +73°C; -31°F to a suitable level. • Drain water from speaker. • Squelch level is too deep. • Volume level is correct. - (Battery voltage) more than 8.8 V. p. 22 p. 5 p. 11 p. 10 - Self check error. ...The connected battery pack's voltage is • Verify the battery voltage is too low. • Speaker has been exposed to water. • Set squelch to the threshold point. • Set [VOL] to +163°F (approx) for 1 sec. distributor or dealer to cancel the p. 12 ...
... the transceiver. • Have the transceiver checked at room temperature - +73°C; -31°F to a suitable level. • Drain water from speaker. • Squelch level is too deep. • Volume level is correct. - (Battery voltage) more than 8.8 V. p. 22 p. 5 p. 11 p. 10 - Self check error. ...The connected battery pack's voltage is • Verify the battery voltage is too low. • Speaker has been exposed to water. • Set squelch to the threshold point. • Set [VOL] to +163°F (approx) for 1 sec. distributor or dealer to cancel the p. 12 ...
Instruction Manual
Page 36
... 10% (at 60% mod.) : Less than -70 dBc typical RECEIVER • Receive system : Double-conversion superheterodyne • Sensitivity (12 dB SINAD) : 0.25 µV typical • Squelch sensitivity : Less than 34 dB (Narrow; LMR only) • Current drain (at threshold) • Intermodulation rejection ratio : 70 dB typical • Spurious response rejection ratio...
... 10% (at 60% mod.) : Less than -70 dBc typical RECEIVER • Receive system : Double-conversion superheterodyne • Sensitivity (12 dB SINAD) : 0.25 µV typical • Squelch sensitivity : Less than 34 dB (Narrow; LMR only) • Current drain (at threshold) • Intermodulation rejection ratio : 70 dB typical • Spurious response rejection ratio...