Receiving And Transmitting - Icom IC-M323 Instruction Manual

Receiving and transmitting

■
CAUTION: Transmitting without an antenna will damage
the transceiver.
Hold down [PWR](Dial) to turn ON the power.
q
Set the audio and squelch levels. (p. 14)
w
First, open the squelch. Then, adjust the audio output
➥
level. After that, adjust the squelch level until the noise
just disappears.
Change the channel group. (p. 10)
e
Push [ ∫](CH) or [√](CH) to select a channel. (pp. 9, 10)
r
• Pushing [Y]/[Z] on the microphone also selects a channel.
• When receiving a signal, "
• Further adjustment of the volume level may be necessary.
Push [HI/LO] to select the output power, if necessary.
t
• Pushing [HI/LO] on the microphone also selects the output pow-
er.
• "25W" appears when high power is selected, and "1W" appears
when low power is selected.
• Choose low power for short range communications, choose high
power for longer distance communications.
• Some channels are for only low power.
Hold down [PTT] to transmit, then speak at your normal
y
voice level.
• " " appears.
• Channel 70 cannot be used for transmission other than DSC.
Release [PTT] to receive.
u
" appears and audio is heard.
IMPORTANT: To maximize the readability of your transmit-
ted signal, pause a few seconds after pushing [PTT], hold
the microphone 5 to 10 cm from your mouth and speak at
a normal voice level.
NOTE for the TOT (Time-out Timer) function
✓
The TOT function inhibits continuous transmission beyond a
preset time period after the transmission starts.
10 seconds before transmission is cutoff, a beep sounds to
indicate the transmission will be shut down and "TOT" appears
in the channel name field. Transmission is not possible for 10
seconds after this shut down.
r
t
BASIC OPERATION
Microphone
y u
w q r t
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
11 11