Icom IC-M73 Instruction Manual page 35

D Auto scan function
The auto scan function starts the desired scan automatically
when no signal is received, and no operation is performed
for 30 seconds
Auto scan OFF (default)
D Dual/Tri-watch function
This item selects dual or tri-watch as desired. See p. 16 for
details.
Push
Dualwatch (default)
"
Push
Auto scan ON
"
Tri-watch
" D Monitor key action
The monitor key action cuts off the squelch function
temporarily. This key action contains PUSH (Pu) or HOLD
(Ho) settings as shown below.
• Pu (PUSH): After pushing [
and emits audio. The squelch is held open while
continuously holding down [
• Ho (HOLD): After pushing [
and emits audio even [
squelch, push any key.
"
Push setting (default)
D Backlight function
This function is convenient for nighttime operation. The
backlight can be selected from ON and OFF.
• The backlight is automatically activated when any key except for
[PTT] is pushed.
• The backlight is automatically turned OFF after 5 seconds of
inactivity.
Backlight ON
(default)
SET MODE
"
] for 1 second, the squelch opens
] . (default)
] for 1 second, the squelch opens
] is released. To close the
Push
Hold setting
"
Push
Backlight OFF
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