15NXDNNXDN is a general term for the NXDN wireless communicationprotocol which uses 4 Level FSK. Various data communications,including individual and group voice communications, Statuscalls, and GPS data transmission, are possible.INDIVIDUAL/GROUP CALLSEach channel is set up with an individual or group ID list number.To make a call, select the channel with the ID list number youwish to call, then press the PTT switch to start the call.• Your dealer may also have set Selcall on PTT for Individual orGroup calls, allowing you to make an Individual or Group call whenpressing the PTT switch.• To page the target transceiver instead of initiating a voice call,press the key programmed as [Paging Call].• If PTT Proceed tone is enabled, the Proceed tone will sound. Afterthe tone ends, you can being the call.■ ReceivingWhen you receive an individual call, a ringing tone willsound. Respond to the call by pressing the PTT switch.• If the auto reset timer expires before you respond to the call,the call will end. Your dealer can set the duration for the autoreset timer (default is 10 seconds).When you receive a group call and the received group IDmatches the ID set up on your transceiver, a ringing tonewill sound and you can hear the caller’s voice.STATUS CALLYou can transmit your status (preset by your dealer) to thetarget transceiver by pressing the key programmed as [Call 1]or [Call 2], if they have been set up with an NXDN Status.• Channels are set up with ID list numbers by your dealer. Select thedesired channel before sending the status call.