Icom IC-M602, Instruction Manual, Page: 19 / 78

13
3
BASIC OPERATION
■
Optional voice scrambler operation
D 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
function, an optional UT-112 is necessary. See p. 47 for set-
ting the scrambler unit. Ask your dealer for details.
The scrambler function automatically turns OFF when
Channel 16 or 70 is selected.
q
Select an operating channel other than Channel 16 and 70.
w
Push [
F
], then push [0
SCRM
] to turn the optional scram-
bler function ON.
• “SCRAM” appears.
e
To turn the scrambler function OFF, repeat step
w
.
• “SCRAM” disappears.
D D
Programming scrambler codes
There are 32 codes (1 to 32) available for programming when
the optional UT-112 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 depend-
ing on dealer setting.
q
Turn power OFF.
w
While pushing [16•9], turn power ON to enter set mode.
e
After the display appears, release [16•9].
r
Rotate [CHANNEL] to select the “
Scrambler Code
,”
push [ENT].
t
Rotate [CHANNEL] to select the desired scrambler code.
y
Push [ENT] to set and exit the scrambler code item.
u
Rotate [CHANNEL] to select “
Exit
,” then push [ENT] to
exit set mode.
Enter set mode
POWER
+
9
16
ENT ENT
Select item
then push
Select code
then push
Scrambler Code
˘ 9
˘ 7
--Set Mode--
˘ 5
˘ 6
˘8
˘ <ENT˘OK>
˘Scan Type
˘ Scan Timer
--Set Mode--
˘ Internal Speaker
˘ Contrast
˘ Beep
˘ Dual/Tri COMMANDMIC
˘ WX Alert
˘ Internal Speaker
˘ Contrast
--Set Mode--
˘Scrambler Code
˘ Exit
˘ Scrambler Type
˘ Foghorn Frequency
˘ RF Attenuator
[Example]: Programming scrambler code 8.
3