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4
BASIC OPERATION
I Receiving and transmitting
CAUTION:
Transmitting without an antenna may
damage the transceiver.
q Rotate [VOL] clockwise to turn power ON.
w Set the volume and squelch level.
➥ Push [SQL•
MONI
➥ Push [SQL•
MONI
rotate [VOL] to set the volume level.
➥ Push [SQL•
MONI
level.
e Push [Y]/[Z] to select the desired channel.
- When receiving a signal, the [TRANSMIT/RECEIVE] indicator
lights green while audio is emitted from the speaker.
- Further adjustment of [VOL] may be necessary at this point.
r Push [Hi/Lo•
] to select the output power if necessary.
- "LOW" appears when low power is selected; "MID" appears
when middle power is selected; no indication when high power is
selected.
- Choose low power to conserve battery power, choose high
power for longer distance communications.
t Push and hold [PTT] to transmit, then speak into the
microphone.
-
The [TRANSMIT/RECEIVE] indicator lights red while
transmitting.
- Channel 70 cannot be used for transmission.
y Release [PTT] to receive.
9
], and push [√] to open the squelch.
] to stop "SQL" indicator blinking, then
], and push [∫]/[√] to set the squelch
IMPORTANT: To maximize the readability of your trans-
mitted signal, pause a few sec. after pushing [PTT], hold
the microphone 5 to 10 cm from your mouth and speak
into the microphone at a normal voice level.
NOTE: The transceiver has a power save function to con-
serve the battery power. The power save function activates
automatically when no signal is received for 5 sec.
To prevent accidental prolonged transmission, etc., the IC-
M90E has a time-out-timer function. This timer cuts a
transmission OFF after 5 min. of continuous transmission.
t Push to transmit
y Release to receive
w Set the squelch level
w Set the squelch level
e Set channel
q Power ON
w Set volume
Speaker
Microphone
r Set output power
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