52PANEL DESCRIPTION2y SCRAMBLER INDICATORAppears when the voice scrambler function is activated.u BELL INDICATORAppears/blinks when the specific 2-tone code is received,according to the pre-programming.i KEY LOCK INDICATORAppears during the key lock function is ON.o BATTERY INDICATORAppears or blinks when the battery power decreases to aspecified level.!0 ALPHANUMERIC DISPLAYDisplays an operating channel number, channel name, Setmode contents, DTMF code, etc.■ Programmable function keysThe following functions can be assigned to [Emer], [Side1],[Side2], [Side3], [P0], [P1], [P2] and [P3] programmablefunction keys.Consult your Icom dealer or system operator for details con-cerning your transceivers programming.CH UP AND DOWN KEYS➥ Push to select an operating channel.➥ Push to select a transmit code channel after pushing [TXCode CH Select].➥ Push to select a DTMF channel after pushing [DTMF Au-todial].➥ Push to select a scan group after pushing and holding[Scan A Start/Stop]/[Scan B Start/Stop] for 1 sec.ZONE KEYPush this key, then push [CH Up] or [CH Down] to select thedesired zone.What is “zone”?— The desired channels are assignedinto a zone according to the intended use for grouping.For example, ‘Staff A’ and ‘Staff B’ are assigned into a“Business” zone, and ‘John’ and ‘Cindy’ are assigned intoa “Private” zone.