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7
3
BASIC OPERATION
3
■ Receiving and transmitting
CAUTION: Transmitting without an antenna will damage
the transceiver.
q Rotate [VOL] to turn power ON.
w Set the audio and squelch levels.
➥ Rotate [SQL] fully counterclockwise in advance.
➥ Rotate [VOL] to adjust the audio output level.
➥ Rotate [SQL] clockwise until the noise disappears.
e Push [U/I/C] (both [Y] and [Z]) on the transceiver several
times to select the desired channel group. (p. 6)
r Push [Y] or [Z] to select a channel. (p. 5)
• When receiving a signal, “ ” appears and audio is emitted
from the speaker.
• Further adjustment of [VOL] may be necessary.
t Push [HI/LO] on the microphone to select the output
power if necessary.
•“LOW” appears when low power is selected.
• Choose low power for short range communications, choose high
power for longer distance communications.
• Some channels are for low power only.
y Push and hold [PTT] to transmit, then speak into the mi-
crophone.
• “ ” appears.
• Channel 70 cannot be used for transmission other than DSC.
u Release [PTT] to receive.
Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CAN-
NOT be lawfully used by the general public in U.S.A. wa-
ters.
IMPORTANT: To maximize the readability of your trans-
mitted signal, pause a few sec. after pushing [PTT], hold
the microphone 2 to 4 inches (5 to 10 cm) from your mouth
and speak into the microphone at a normal voice level.
✔ NOTE for TOT (Time-out Timer) function
The TOT function inhibits continuous transmission over a pre-
set time period after the transmission starts.
u
rt
yq
Microphone
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re