![background image](http://html.mh-extra.com/html/icom/ic-m422/ic-m422_instruction-manual_612797053.webp)
47
12
COMMANDMIC II™ HM-157
New2001
12
■
Display backlight
The function display and keys can be backlit for better visibil-
ity under low light conditions. The backlighting condition can
also be adjusted independently from the transceiver.
q
Push
[VOL•
PA/RX
]
for
1 sec. to enter the backlight
adjusting mode.
• “
” with the number of the
backlight level appears in the
channel comment indicator.
w
Push
[
Y
Y
]
or
[
Z
Z
]
to adjust the
backlight level.
• The backlight is adjustable in 7
levels and OFF.
■
Monitor function
The monitor function releases the noise squelch mute of the
microphone only. (An independent noise squelch system is
employed.)
➥
Push
[SQL•
L
]
for 1 sec.
to activate the Monitor function.
• “
” blinks and audio is
emitted.
• Any key cancels the Monitor
function.
■
Dualwatch/Tri-watch
operation
q
Select Dualwatch or Tri-watch in Set mode. (P. 33)
w
Push
[
Y
Y
]
or
[
Z
Z
]
to select the desired channel.
• While pushing
[H/L]
, push
[CH/WX• U/I/C]
several times to
select the channel group (USA, INT, CAN), if desired.
e
Push
[CH/WX•
U/I/C
]
for
1 sec. to start Dualwatch or
Tri-watch.
• “
” or “
” blinks at the chan-
nel comment indicator during
Dualwatch or Tri-watch, respec-
tively.
• A beep tone sounds when a sig-
nal is received on Channel 16.
• Tri-watch becomes Dualwatch
when receiving a signal on the
call channel.
r
To cancel Dualwatch or Tri-watch, push
[CH/WX•
U/I/C
]
again.
DW
DW
DW
MONI
DIM
Blinks when the dualwatch
function is in use.
Appears
Blinks
!IC-M422.qxd 05.2.23 2:21 PM Page 47 (1,1)