Optional Voice Scrambler Operation; Basic Operation - Icom IC-M604A Instruction Manual

3

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•
bler function ON.
• " " appears.
e To turn the scrambler function OFF, repeat step w.
• " " disappears.
[Example]: Programming scrambler code 8.
Push
5ECP 5ECP 6[RG
9
5ECP 6KOGT 5ECP
16
9: #NGTV 9:
+ POWER
$GGR $GGR
+PVGTPCN +PVGTPCN 5RGCMGT
to enter
%QPVTCUV %QPVTCUV
Set mode
4( 4( #VVGPWCVQT
12
] to turn the Voice scram-
SCRM
5GV /QFG 5GV /QFG
6[RG
Rotate
6KOGT
#NGTV
5RGCMGT
to select item.
#VVGPWCVQT
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 "
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 "
then push [ENT] to exit the Set mode.
5GV /QFG 5GV /QFG
+PVGTPCN +PVGTPCN 5RGCMGT 5RGCMGT
Rotate
%QPVTCUV %QPVTCUV
4( 4( #VVGPWCVQT #VVGPWCVQT
(QIJQTP (TGSWGPE[ (QIJQTP (TGSWGPE[
4CFKQ 4CFKQ 2QYGT 2QYGT
5ETCODNGT 5ETCODNGT 6[RG 6[RG
to select code.
5ETCODNGT 5ETCODNGT %QFG %QFG
Select
Push
,"
,"
5GV /QFG 5GV /QFG
5ETCODNGT 5ETCODNGT %QFG %QFG

Select



'06 1- '06 1-
Push