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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