This function electronically locks all keys – Icom IC-M73 Plus User Manual

Page 20

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12

4

BASIC OPERATION

New2001

12

■

The Call channel key is used

to select Channel 9* by default.

However, you can program

your most often-used channel

in each channel group for quick

recall.

* The channel may differ, depending on the transceiver version.

q

Hold down for 1 second several
times to select the desired channel
group

(USA, INT, CAN, ATIS)

to be pro-

grammed.

e

w e

Hold down for 1 second to select
the Call channel.

• “CALL” and Call channel number ap-

pear.

e

Hold down again for 3 seconds

(un-

til a long beep changes to 2 short beeps)

to enter the Call channel program-
ming mode.

• The Call channel number to be pro-

grammed blinks.

e

r e

Push

YZ

to select the desired

channel.

t

Push to program the displayed
channel as the Call channel.

• The Call channel number stops blinking.

■

This function electronically

locks all keys

(except for , and )

to

prevent accidental channel

changes and function access.

➥

Push for 1 second to turn the lock function ON or OFF.

Hold down

for 1 second

Appears while the lock
function is in use.

■

The monitor function releases

the noise squelch mute to

check the volume level. See

page 27 for details of the

monitor switch action.

➥

Hold down for 1 second to activate the monitor func-

tion.

• “” and “” appear and audio is heard.

Appears while the
monitor function is
in use.

Hold down

for 1 second

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