25VOICE SCRAMBLERNote: There are 2 options for using the scrambler. Your dealer can activate or deactivate the built-inscrambler function of the transceiver, or they can add a more secure optional scrambler board to yourtransceiver. Ask your dealer for details.Although the built-in scrambler function does not offer complete privacy with yourcalls, it does prevent others from easily listening in on your calls. Whenactivated, the transceiver distorts your voice so that anybody listening to yourconversation will not be able to clearly hear what you are saying.In order for members of your own group to clearly hear your call while you areusing the scrambler, all other members must also activate the scramblerfunctions on their transceivers. This distorts everybodyís voice while transmittingand corrects the voice message on your own transceiver when you receive thecall.Press the key programmed as Scrambler to activate the Scrambler.ï The icon appears on the display while the scrambler is active.Press the Scrambler key again to deactivate the Scrambler.On the optional scrambler board, you can change the scrambler code set up onyour transceiver using the Scrambler key:1 Press and hold the key programmed as Scrambler for 2 seconds.ï The current scrambler code appears on the display.2 Press the and C> keys to select the desired scrambler code.3 Press the Scrambler or key to store the new setting and exit ScramblerCode Select mode.ï After changing your scrambler code, be sure to inform all members of your groupof the new code so they can reset their transceivers as well. The scramblerfunction will not perform correctly between transceivers that are set up withdifferent scrambler codes.KEY L OCKPress the key programmed as Key Lock to lock the keys of the transceiver.Locking the transceiver keys prevents you from accidentally changing thechannel and channel settings.While Key Lock is active, you can still use the microphone PTT switch, the (power)switch, and the Emergency, Monitor, and Squelch Off keys. If set up by yourdealer, you can also use the Volume Up and Volume Down keys ( / ).ï ìLOCKEDî momentarily appears on the display when the Key Lock function isactivated or when a key is pressed while the Key Lock function is ON.Press the Key Lock key again to turn this function OFF.