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
communications. In order to receive or send scrambled
transmissions you must first activate the scrambler function.
To activate the function, an optional scrambler unit is
necessary. See pages 49 and 54 for setting and installation
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•
scrambler function ON.
• "SCRAM" is displayed.
e To turn OFF the scrambler function, repeat step w.
• "SCRAM" disappears.
[Example]: Programming scrambler code 8.
Push
9 5ECP 6[RG
5ECP 6KOGT
16
+ POWER
9: #NGTV
$GGR
to enter
+PVGTPCN 5RGCMGT
%QPVTCUV
Set mode
4( #VVGPWCVQT
12
] to turn the Voice
SCRM
5GV /QFG
Rotate
to select item.
D Programming scrambler codes
There are 32 codes (1 to 32) or 128 codes (0 to 127)*
selectable 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 function may not be available depending on the
dealer setting.
*Depending on the installed scrambler unit.
q Push [POWER] to turn OFF the transceiver. Hold down
[16•9], and push [POWER] to enter Set mode.
w After the Set mode screen is displayed, release [16•9].
e Rotate [SELECTOR] to select the "Scrambler Code,"
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 "Exit,"
then push [ENT] to exit the Set mode.
5GV /QFG
+PVGTPCN 5RGCMGT
%QPVTCUV
4( #VVGPWCVQT
(QIJQTP (TGSWGPE[
4CFKQ 2QYGT
5ETCODNGT 6[RG
to select code.
5ETCODNGT %QFG
Select
Push
5GV /QFG
Rotate
5ETCODNGT %QFG
 Select



'06 1-
Push