BASIC OPERATION 3

Optional voice scrambler operation

D Activating the scrambler

 

 

D Programming scrambler codes

 

 

The optional voice scrambler provides private communica-

There are 32 codes (1 to 32) or 128 codes (0 to 127)* avail-

3

tions. In order to receive or send scrambled transmissions

able for programming when an optional scrambler unit is in-

 

 

you must first activate the scrambler function. To activate the

stalled. In order to understand one another, all transceivers

 

 

function, an optional scrambler unit is necessary. See pgs.

in your group must have the same scramble code. This func-

 

 

57, 62 for setting the scrambler unit. Ask your dealer for de-

tion may not be available depending on dealer setting.

 

 

tails.

 

 

 

 

*Depends on the installed scrambler unit.

 

 

The scrambler function automatically turns OFF when

q Turn power OFF.

 

 

 

 

Channel 16 or 70 is selected.

 

 

w While pushing [16•9], turn power ON to enter set mode.

 

 

 

 

 

 

 

e After the display appears, release [16•9].

 

 

q Rotate [DIAL] to select an operating channel other than

r Rotate [DIAL] to select the “Scrambler Code,” push

 

 

Channel 16 and 70.

 

 

[DIAL•ENTER].

 

 

 

 

 

w While pushing and holding [H/L], push [LO/DX•IC•SCRM]

t Rotate [DIAL] to select the desired scrambler code.

 

 

to turn the optional scrambler function ON.

 

 

y Push [DIAL•ENTER] to set and exit the scrambler code

 

 

• “SCRAM” appears.

 

 

item.

 

 

 

 

 

e To turn the scrambler function OFF, repeat step w.

 

u Push [CLR], or rotate [DIAL] to select “Exit,” push

 

 

• “SCRAM” disappears.

 

 

[DIAL•ENTER] to exit set mode.

 

 

 

 

 

 

 

 

 

 

 

[Example]: Programming scrambler code 5.

 

 

 

 

 

 

 

 

 

 

--Set Mode--

Rotate

 

--Set Mode--

Rotate

--Set Mode--

 

 

 

Push

+

˘Scan Type

 

Dual/Tri

Scrambler Code

 

 

 

Scan Timer

 

 

Beep

 

˘5 Select

 

 

 

to enter set mode.

WX Alert

 

 

Contrast

 

4

 

 

 

Dual/Tri

 

 

Foghorn Frequency

 

3

 

 

 

 

 

Beep

 

 

Radio Power

 

2

 

 

 

 

 

Contrast

 

 

Scrambler Type

 

1

 

 

 

 

 

Foghorn Frequency

to select item,

˘Scrambler Code

to select code,

<ENT˘OK>

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

then push.

 

Select

then push.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

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Icom IC-M504 Optional voice scrambler operation, Activating the scrambler Programming scrambler codes, Dialenter