Icom IC-M604A [18/68] Optional voice scrambler operation

Icom IC-M604A [18/68] Optional voice scrambler operation
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BASIC OPERATION
Optional Voice scrambler operation
D Activating the scrambler function
The optional Voice scrambler provides private communica-
tions. In order to receive or send scrambled transmissions
you must fi rst activate the scrambler function. To activate the
function, an optional scrambler unit is necessary. See pages
49 and 54 for setting and insatallation of the scrambler unit.
Ask your dealer for details.
The scrambler function automatically turns OFF when
Channel 16 or 70 is selected.
q Rotate [SELECTOR] to select the desired channel other
than Channel 16 and 70.
w Push [O], then push [0•
SCRM
] to turn the Voice scram-
bler function ON.
5%4#/ appears.
e To turn the scrambler function OFF, repeat step w.
5%4#/ disappears.
D Programming scrambler codes
There are 32 codes (1 to 32) or 128 codes (0 to 127)* se-
lectable for programming when an optional scrambler unit is
installed. In order to understand one another, all transceivers
in your group must have the same scramble code. This func-
tion may not be available depending on the dealer setting.
*Depending on the installed scrambler unit.
q Push [POWER] to turn OFF the power. Hold down [16•9],
and push [POWER] to enter Set mode.
w After the display appears, release [16•9].
e
Rotate [SELECTOR] to select the 5ETCODNGT%QFG,”
then push [ENT].
r Rotate [SELECTOR] to select the desired scrambler code.
t Push [ENT] to set and exit the scrambler code item.
y Push [CLR], or rotate [SELECTOR] to select 'ZKV,”
then push [ENT] to exit the Set mode.
5GV5GV /QFG/QFG
5ETCODNGT5ETCODNGT %QFG%QFG

'06'061- 1-
5GV5GV /QFG/QFG
+PVGTPCN+PVGTPCN 5RGCMGT5RGCMGT
%QPVTCUV%QPVTCUV
4(4( #VVGPWCVQT#VVGPWCVQT
(QIJQTP(QIJQTP (TGSWGPE[(TGSWGPE[
4CFKQ4CFKQ 2QYGT2QYGT
5ETCODNGT5ETCODNGT 6[RG6[RG
5ETCODNGT5ETCODNGT %QFG%QFG
5GV5GV /QFG/QFG
5ECP5ECP 6[RG6[RG
5ECP5ECP 6KOGT6KOGT
9:9: #NGTV#NGTV
$GGR$GGR
+PVGTPCN+PVGTPCN 5RGCMGT5RGCMGT
%QPVTCUV%QPVTCUV
4(4( #VVGPWCVQT#VVGPWCVQT
Select
Select
to enter
Set mode
POWER
+
Push
9
16
to select item.
Rotate
to select code.
Rotate
Push Push
[Example]: Programming scrambler code 8.

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