I Call Channel Programming; I Microphone Lock Function; I Display Backlight - Icom IC-M603 Instruction Manual

3
BASIC OPERATION

I Call channel programming

You can program the call channel with your most often-used
channels in each channel group for quick recall.
q While pushing and holding [H/L], push [DIAL] several
times to select the desired channel group (INT, USA, ATIS
or DSC) to be programmed.
w Push and hold [!6 • C] for 1 sec. to select the call channel of
the selected channel group.
• "C C A A L L L L " and call channel number appear.
e Push and hold [!6 • C] again
for 3 sec. (until a long beep
changes to 2 short beeps)
to enter call channel pro-
gramming condition.
• Channel number starts blink-
ing.
r Rotate [SELECTOR] to se-
lect the desired channel.
t Push [!6 • C] to program the
displayed channel as the
call channel.
• Push [CLR] to cancel.
• The channel number stops
blinking.
10
25W 25W INT INT CALL CALL
TAG TAG
34 34°34.506N 34.506N
123°23.236W 123 23.236W
UTC UTC 12 12:00 :00 CALLING CALLING
25W 25W INT INT CALL CALL
DUP DUP
TAG TAG
34 34°34.506N 34.506N
123°23.236W 123 23.236W
UTC UTC 12 12:00 :00 INTL INTL

I Microphone lock function

The Microphone lock function electrically locks [Y]/[Z] and
[HI/LO] keys on the supplied microphone. This prevents ac-
cidental channel changes and function access.
➥ While pushing and holding [HI/LO] on the microphone,
turn power ON to toggle the Microphone lock function ON
and OFF.
[Y]/[Z]

I Display backlight

The function display and keys can be backlit for better visibil-
ity under low light conditions.
➥ After pushing [F], push [3•
to adjust the brightness of the LCD and key backlight.
Then push [ENT].
• The backlight is adjustable in 7 levels and OFF.
[HI/LO]
DIM ] then rotate [SELECTOR]