Icom IC-M603 Instruction Manual

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Contents

123 BASIC OPERATION■ Optional Voice scrambler operationD Activating the scrambler functionThe optional Voice scrambler provides private communica-tions. In order to receive or send scrambled transmissionsyou must first activate the scrambler function. To activate thefunction, an optional scrambler unit is necessary. See pages45 and 50 for setting the scrambler unit. Ask your dealer fordetails.The scrambler function automatically turns OFF whenChannel 16 or 70 is selected.q Rotate [SELECTOR] to select the desired channel otherthan Channel 16 and 70.w Push [F], then push [0] to turn the Voice scrambler func-tion ON.• “SCRAM” appears.e To turn the scrambler function OFF, repeat step w.• “SCRAM” disappears.D Programming scrambler codesThere are 32 codes (1 to 32) or 128 codes (0 to 127)* avail-able for programming when an optional scrambler unit isinstalled. In order to understand one another, all transceiversin your group must have the same scramble code. This func-tion may not be available depending on dealer setting.*Depends on the installed scrambler unit.q While pushing and holding [16•C], push [POWER] toenter Set mode.• Turn power OFF in advance.w After the display appears, release [16•C].e Rotate [SELECTOR] to select the “ScramblerCode,” then push [ENT].r Rotate [SELECTOR] to select the desired scramblercode.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 Set mode.--Set Mode--Scrambler Code˘5 ≤432 ≥˘OK>--Set Mode--Beep ≤Internal SpeakerContrastFoghorn FrequencyRadio PowerScrambler Type˘Scrambler Code ≥--Set Mode--˘Scan TypeScan TimerBeepInternal SpeakerContrastFoghorn FrequencyRadio Power ≥SelectSelectto enterSet modePOWER+Push916to select item.Rotateto select code.RotatePush Push[Example]: Programming scrambler code 8.