Icom IC-M502 Instruction Manual

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Icom IC-M502 Instruction Manual Manual pdf 14 page image

3 BASIC OPERATION10n Optional voice scrambler operationActivating the scramblerThe 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 UT-98 or UT-112 is necessary. See p. 33for selecting the unit. Ask your dealer for details.The scrambler function automatically turns OFF whenchannel 16 or 70 is selected.q Select an operating channel other than channel 16 and 70.w While pushing [HI/LO], push [LO/DX•IC/SCR] to toggle anoptional scrambler function ON or OFF.• “SC” appears.e To turn the scrambler function OFF, repeat step w.• “SC” disappears.Programming scrambler codesThere are 128 or 32 codes (0 to 127 or 1 to 32) available forprogramming when the optional UT-98 or UT-112 is installed.In order to understand one another, all transceivers in yourgroup must have the same scramble code. This function maynot be available depending 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 Push [16•9] one or more times to select the scramblercode 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.Set modeBeepSet modeScramblercodeSet modeScramblercodeEnter set modePOWER+916 916Select codePush one ormore times.Set mode Scrambler code item[Example]: Programming scrambler code 127.