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12
4
BASIC OPERATION
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 [
r
∫
](CH)/[
√
](CH) to select a channel. (pp. 9, 10)
•Pushing[
Y
]/[
Z
]
on the microphone also selects a channel.
•Whenreceivingasignal,“
” appears and audio is heard.
•Furtheradjustmentofthevolumelevelmaybenecessary.
Push [LO/DX] to turn the receive Attenuator function ON
t
or OFF, if necessary.
•OnlyU.S.A.andAustralianversiontransceivers.
•“LOCAL”appearswhenthereceiveAttenuatorfunctionisON.
Push [HI/LO] to select the output power, if necessary.
y
•“25W”appearswhenhighpowerisselected,and“1W”appears
when low power is selected.
•Chooselowpowerforshortrangecommunications,choosehigh
power for longer distance communications.
•Somechannelsareforonlylowpower.
Hold down [PTT] to transmit, then speak at your normal
u
voice level.
•“
” appears.
•Channel70cannotbeusedfortransmissionotherthanDSC.
Release [PTT] to receive.
i
Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CANNOT
be lawfully used by the general public in U.S.A. waters.
IMPORTANT:
To maximize the readability of your transmit-
ted signal, pause a few seconds after pushing [PTT], hold
the microphone 5 to 10 cm (2 to 4 inches) 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” ap-
pears in the channel name field. Transmission is not possible
for 10 seconds after this shut down.
Microphone
t
y
q
w
i
u
r
y
r