Icom IC-M503 Optional voice scrambler operation, ï Activating the scrambler, Set mode

3 BASIC OPERATION

■Optional voice scrambler operation

ïActivating 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-98 or UT-112 is necessary. See p. 16 for selecting the unit. Ask your dealer for details.

qSelect an operating channel other than Channel 16 and

70.

wWhile pushing and holding [HI/LO], push [DIMMER] to tog- gle an optional scrambler function ON or OFF.

• “SC” appears.

eTo turn the scrambler function OFF, repeat step w.

• “SC” disappears.

ïProgramming scrambler codes

There are 128 or 32 codes (0 to 127 or 1 to 32) available for programming. In order to understand one another, all trans- ceivers in your group must have the same scramble code.

This function may not be available depending on dealer set- ting.

qTurn power OFF.

wWhile pushing and holding [16], turn power ON to enter

set mode.

eAfter the display appears, release [16].

rPush [16] one or more times to select the scrambler code item.

• “Scrambler code” appears.

t Rotate the channel selector to select the desired scram- bler code.

y Turn power OFF, then ON again to exit set mode.

[Example]: Programming scrambler code 127.

16 + POWER Set mode		16	Set mode	Set mode
Enter set mode	Beep	Push one or	Scrambler	Scrambler
		more times.
			code	Select code code
	Set mode		Scrambler code item

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