Channel comments, Microphone lock function, Display backlight – Icom IC-M504 User Manual
Page 16: Basic operation
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BASIC OPERATION
■ Channel comments
Memory channels can be labelled with a unique alphanumeric
ID of up to 10 characters.
Capital letters, small letters, 0 to 9, some symbols (– . /) and
space can be used.
q Select the desired channel.
• Cancel Dualwatch, Tri-watch or Scan in advance.
w While pushing and holding [H/L], push [16•9] to edit the
channel comment.
• A cursor and the first char-
acter start blinking alter-
nately.
e Select the desired charac-
ter by rotating [DIAL].
• Push [16•9] or [CH/WX•
DUAL•U/I/C] to move the
cursor forward or backward, respectively.
r Repeat step e to input all characters.
t Push [DIAL•ENTER] to input and set the comment.
• Push [CLR] to cancel.
• The cursor and the character stop blinking.
y Repeat steps q to t to program other channel com-
ments, if desired.
■ 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 Lock function ON and OFF.
■ Display backlight
The function display and keys can be backlit for better visibil-
ity under low light conditions.
➥ While pushing and holding [H/L], rotate [DIAL] to adjust
the brightness of the LCD and key backlight.
• The backlight is adjustable in 7 levels and OFF.
[HI/LO]
[Y]/[Z]
25W
25W
INT
INT
34
34°34.506N
34.506N
123
123°23.236W
23.236W
UTC
UTC 12
12:00
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