1313131313When programmed Pressing the assigned function keyforAudible indicators Turns audible indicators on and off.Backlighting* Turns backlighting on. Backlighting will turn offafter a preprogrammed time.Clear* Trunking mode only. Clears the last request to thetrunking system.Do not disturb* Trunking mode only. Turns the do not disturbfunction on and off.Dynamic power control* Turns dynamic power control on and off.Handset mode* Turns handset mode on and off.Keypad lock* Locks the keypad so the keys cannot be activatedaccidentally. Pressing the clear/monitor key ( )turns off keypad lock.Low power transmit* Changes the transmit power from mid or high tolow. Pressing the key again returns the transmitpower to the preprogrammed level.Monitor* Conventional mode only. Turns monitor onand off.Night use* Turns night operation mode on and off.Preset calls Sends a trunking preset call, changes to anothertrunking network or to a conventional channel. Ifthe radio is in conventional mode when a trunkingpreset call is selected, the call will proceed. Oncethe call is complete and has been cleared down,the radio will return to conventional mode if aconventional channel is selected on the 16-wayselector.Volume control* Controls volume in handset mode.Programmable function key settingsUnless stated otherwise, functions operate in both trunkingand conventional modes. Some functions are not permittedin some countries.Functions marked * are described more fully in the ìOtherfeaturesî section (pages 44 to 46).