■ Receiving and transmitting
CAUTION: Transmitting without an antenna may dam-
age the transceiver.
q Push
[
[
POWER
POWER
]
] to turn power ON.
w Set the audio and squelch levels.
➥ Rotate
[
[
SQL
SQL
]
] fully counterclockwise in advance.
➥ Rotate
[
[
VOL
VOL
]
] to adjust the audio output level.
➥ Rotate
[
[
SQL
SQL
]
] clockwise until the noise disappears.
e To change the channel group, push
[
[
CH/WX
CH/WX
]
]
(
(
U/I/C)
U/I/C)
while pushing
[
[
HI/LO
HI/LO
]
]. (p. 7)
r Rotate
[
[
CHANNEL
CHANNEL
]
] or push
[
[
YY
YY
]
]
/
[
[
ZZ
ZZ
]
] on the microphone
to select the desired channel.
• When receiving a signal, “BUSY” appears and audio is emitted
from the speaker.
• Further adjustment of
[
[
VOL
VOL
]
] may be necessary.
• Use the optional Voice scrambler function for privacy. (p. 10)
t Push
[
[
LO/DX
LO/DX
]
] to turn the receive Attenuator function ON
or OFF, if necessary.
•“LOCAL” appears when the receive Attenuator is in use.
y Push
[
[
HI/LO
HI/LO
]
] to select the output power, if necessary.
•“25W” or “1W” appears when high or low power is selected, re-
spectively.
• Choose low power for short range communications, choose high
power for longer distance communications.
• Some channels are for selecting low power only.
u Push and hold
[
[
PTT
PTT
]
] to transmit, then speak into
∗
(Mi-
crophone).
•“TX” appears.
• Channel 70 cannot be used for transmission other than DSC.
Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83
CANNOT be lawfully used by the general public in
U.S.A. waters.
i Release
[
[
PTT
PTT
]
] to receive.
IMPORTANT: To maximize the readability of your trans-
mitted signal, pause a few sec. after pushing
[
[
PTT
PTT
]
], hold
the microphone 2 to 4 inches (5 to 10 cm) from your mouth
and speak into
∗
(Microphone) at a normal voice level.
