Operation Manual

BASIC OPERATION

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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. 11) 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 ∫]/[√] to select a channel. (pp. 9, 10)

 •Pushing[Y]/[Z] on the microphone also selects a channel.

 •When receiving a signal, “ ” is displayed 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.

 •ForonlyU.S.A.andAustralianversiontransceivers.

 •“LOCAL” is displayed when the receive Attenuator function is

ON.

Push [HI/LO] to select the output power, if necessary. y

 •“25W” is displayed when high power is selected, and “1W” is

displayed 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.

 •“ ” is displayed.

 •Channel70cannotbeusedfortransmissionotherthanDSC.

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 your 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” is dis-

played in the channel name ﬁeld. Transmission is not possible

for 10 seconds after this shut down.

Microphone

t y