Icom iM423, Инструкция по эксплуатации

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11
4
BASIC OPERATION
New2001
Weather channels D
(U.S.A. and Australian version transceiver only)
The transceiver has 10 weather channels. These are used for
monitoring broadcasts from NOAA (National Oceanographic
and Atmospheric Administration.)
The transceiver can automatically detect a weather alert tone
on the selected weather channel or while scanning. (p. 17)
Push [CH/WX] once or twice to select a weather channel.
q
• “WX” appears when a weather channel is selected.
• “WX
” appears when the Weather Alert function is in turned
ON. (p. 78)
Push [
w
∫ •CH] or [ √ •CH] to select a channel.
• Pushing [
Y
]/[
Z
] on the microphone also selects a channel.
When weather alert is OFF.
When weather alert is ON.
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. 15)
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 [
r
∫
](CH) or [
√
](CH) to select a channel. (pp. 9, 10)
• Pushing [ Y ]/[ Z ] on the microphone also selects a channel.
• When receiving a signal, “ ” appears and audio is heard.
• Further adjustment of the volume level may be necessary.
Push [LO/DX] to turn the receive Attenuator function ON
t
or OFF, if necessary.
• Only U.S.A. and Australian version transceivers.
• “LOCAL” appears when the receive Attenuator function is ON.
Push [HI/LO] to select the output power, if necessary.
y
• “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
u
voice level.
• “ ” appears.
• Channel 70 cannot be used for transmission other than DSC.
Release [PTT] to receive.
i