![Icom IC-M1V Instruction Manual Download Page 14](http://html.mh-extra.com/html/icom/ic-m1v/ic-m1v_instruction-manual_612737014.webp)
10
4
BASIC OPERATION
■
Lock function
This function electronically locks all keys and switches to pre-
vent accidental frequency changes and function access.
➥
Push [H/L•LOCK] for 2 sec. to turn the lock function ON
and OFF.
• Only [PTT], [H/L] and [MONI] are functional.
■
Automatic backlighting
This function is convenient for nighttime operation. The auto-
matic backlighting can be activated in SET mode. (p. 18)
➥
Push any key except for [PTT] to turn the backlighting ON.
• The backlighting is automatically turned OFF 5 sec. after opera-
tion.
• Push [MONI] to turn the backlighting ON without changing the
operating condition.
■
Optional voice scrambler
operation
×
Activating the scrambler
The optional voice scrambler provides private communica-
tions. In order to receive or send scrambled transmissions,
you must first activate the scrambler function. To activate the
function, either an optional UT-98 or UT-112 is necessary. Ask
your dealer for details.
q
Select an operating channel except
channel 16 or weather channels.
w
Push [SCN] while pushing and
holding [MONI].
• “SCRM” appears.
e
To turn the scrambler function
OFF, repeat step
w
.
• “SCRM” disappears.
× P
rogramming scramble codes
There are 128 codes
(00 to 127)
available with UT-98 or 32
codes
(01 to 32)
available with UT-112 for programming. In order
to understand one another, all transceivers in your group must
have the same scramble code, as well as the same scrambler
unit. See page 19 for scrambling code setting details.
RECOMMENDATION: Use the optional speaker-micro-
phone during voice scrambling operation for much clearer
audio readability.
USA
SCRM
Appears when the voice
scrambler function is in use.
Appears when the
lock function is in use.
USA