![background image](http://html.mh-extra.com/html/icom/ic-m504/ic-m504_instruction-manual_612818016.webp)
10
3
BASIC OPERATION
■
Channel comments
The 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 char-
acter 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 or OFF.
[HI/LO]
[
Y
]/[
Z
]
■
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. After adjust-
ing, push
[DIAL•ENTER]
.
• The backlight is adjustable in 7 levels and OFF.
25W
INT
34°34.506N
123°23.236W
UTC 12:00PLEASURE__
Summary of Contents for IC-M504
Page 1: ...INSTRUCTION MANUAL iM504 VHF MARINE TRANSCEIVER ...
Page 78: ......