I Channel Comments; I Microphone Lock Function; I Display Backlighting - Icom IC-M421 Instruction Manual

3
BASIC OPERATION

I Channel comments

Memory channels can be labelled with alphanumeric com-
ments of up to 10 characters each for easy channel recogni-
tion.
More than 9 characters comment scrolls automatically at the
channel comment indicator after the channel selection.
Capital letters, small letters, numerals, some symbols (- . /)
and space can be used.
q Select the desired memory channel.
• Cancel dualwatch, tri-watch or scan in advance.
w While pushing [CH•DUAL], push [16•C] to edit the channel
comment.
• A cursor and the first character start blinking alternately.
e Select the desired character by pushing [L] or [M].
• Push [CH•DUAL] or [16•C] to move the cursor forward or back-
ward, respectively.
r Repeat step e to input all characters.
t Push [ENT] to set the comment.
• Push [CLR] to cancel.
• The cursor disappears.
y Repeat steps q to t to program other channel com-
ments, if desired.
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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 [HI/LO] on the microphone, turn power ON
to toggle the lock function ON and OFF.
[J]/[K]

I Display backlighting

The function display and keys can be backlit for better visibil-
ity under low light conditions.
➥ While pushing [SCAN•TAG], push [Y] or [Z] to adjust the
brightness of the LCD and key backlight.
• The backlight is selectable in 3 levels and OFF.
[HI/LO]