9
4
BASIC OPERATION
4
■ Receiving and transmitting
q Rotate [VOL] clockwise to turn power ON.
• Opening comment scrolls across the function display. (p. 13)
• Push [16•9] to skip the opening comment indication.
w Set 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.
e Push [
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.
r Push [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.
t Push and hold [PTT] to transmit, and speak into the mi-
crophone.
-
The transmit indicator appears while transmitting.
- Channel 70 cannot be used for transmission.
y Release [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.
