7
3
BASIC OPERATION
3
■Receiving and transmittingCAUTION:Transmitting without an antenna will damage
the transceiver.
qRotate [VOL] to turn power ON.
wSet 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.
ePush [U/I/C] (both [Y] and [Z]) on the transceiver several
times to select the desired channel group. (p. 6)
rPush [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.
tPush [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.
yPush and hold [PTT] to transmit, then speak into the mi-
crophone.
•“ ” appears.
•Channel 70 cannot be used for transmission other than DSC.
uRelease [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 TOTfunction inhibits continuous transmission over a pre-
set time period after the transmission starts.
u
rt
yq Microphone