3Group Call Initiating a CallIn standby mode, hold the PTT key to transmit a group call to the group call contact preset for the current channel. Receiving a Call or Calling BackWhen a group call is received, you can listen to it without any operation, and you may hold the PTT key within the preset time period to call back.Calls on Analog Channels To transmit on an analog channel, hold down the PTT key and speak into the microphone. To receive, release the PTT key.Time-out Timer (TOT)TOT aims to prevent any user from occupying a channel for an extended period. If the preset time expires, the radio will automatically terminate the transmission and keep beeping. To stop beeping, please release the PTT key. You must wait for a certain time period (preset by your dealer) to initiate another transmission.
