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8

4

BASIC OPERATION

Power ON

Push [PWR] for 1sec. to turn the
power ON.

• “ ” and operating channel num-

ber appear on the display.

Adjusting the volume

q

Push and hold [MODE] for
1sec. to open the squelch.

• “

” indicator appears on the

display while the squelch is
open.

w

Adjust the audio to a suitable
level using [

VOL

].

e

Push and hold [MODE] for
1sec. to close the squelch.

What is squelch

?

A squelch circuit allows muting of undesired noise while receiving
no signal and emit audio while receiving signals.
This provides quiet standby. The [MODE] key changes the
squelch setting. This is useful to listen to weak signals that do
not open the squelch.

[PWR]

[MODE]

Appears

[VOL]

IC-4088SR.qxd  03.9.2 20:45  Page 8 (1,1)

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