9
4
BASIC OPERATION
New2001
4
■Receiving and transmitting
qRotate [VOL] clockwise to turn power ON.
•Opening comment scrolls across the function display. (p.13)
•Push [16•9]to skip the opening comment indication.
wSet the volume and squelch level.
➥Push [], and push [ZZ]to open the squelch.
➥Rotate [VOL] to set the volume level.
➥Push [], and push [YY]/[ZZ]to set the squelch level.
ePush [YY]/[ZZ]to select the desired channel.
- When receiving a signal, “” indicator appears while audio is
emitted from the speaker.
- Further adjustment of [VOL]may be necessary at this point.
rPush [H/L•LOCK]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 or mid. power to conserve battery power, choose
high power for longer distance communications.
- Some channels are for low power only.
tPush and hold [PTT] to transmit, and speak into the mi-
crophone.
- The transmit indicator appears while transmitting.
- Channel 70 cannot be used for transmission.
yRelease [PTT]to receive.
IMPORTANT: To maximize the readability of your trans-
mitted signal, pause a second after pushing [PTT], hold
the microphone 5 to 10 cm (2 to 4 inches)from your mouth,
and speak into the microphone using 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-
M72 has a time-out timer function. This timer cuts a trans-
mission OFF after 5 min. of continuous transmission.
Microphone
Speaker
r Set output power
t Push to transmit
y Release to receive q Power ON
w Set volume
w Set the squelch
level
w Set the squelch
level
e Select the
channel
CAUTION: Transmitting without an antenna may

damage the transceiver.

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