Icom IC-M1 euro Instruction Manual - page 11
USA
Voice scrambler OFF
USA
SCRM
Voice scrambler activated
USA
SCRM
Set desired scramble code here
After “SCRM”
appears,
rotate:
[CH]
SCRM
SCN
Push and hold
2
BASIC OPERATION
8
D
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 func-
tion, an optional UT-98 is necessary. Ask your dealer for de-
tails.
1
Select an operating channel
except channel 16 or weather
channels.
2
Push [
SCN•
SCRM] for 1 sec.
- “SCRM” appears.
3
To turn the scrambler function
OFF, repeat step
2
.
- “SCRM” disappears.
D
Programming scramble codes
There are 128 codes (00 to 127) available for programming.
In order to understand one another, all transceivers in your
group must have the same scramble code.
1
Select an operating channel except channel 16 or weather
channels.
2
Make sure the scramble function is OFF, then push and
hold [
SCN•
SCRM] until step
4
.
- “SCRM” appears.
3
While continuing to push [
SCN•
SCRM], rotate the channel
selector to select the desired scramble code.
- The first click when rotating the channel selector shows the cur-
rently selected code.
4
Release [
SCN•
SCRM].
- The scramble code disappears from the function display but re-
mains in effect while the scramble function is activated.
■
Optional voice scrambler operation
USA
SCRM
[Example]: Programming scramble code 127.