Kenwood nx-720h Instruction Manual

Also see for Nexedge NX-720H: Instruction manual Service manual Instruction manual

Contents

18BACKGROUND OPERATIONSTIME-OUT TIMER (TOT)The Time-out Timer prevents you from using a channel for an extended duration. If youcontinuously transmit for a preset time, the transceiver will stop transmitting and an alerttone will sound. Release the PTT switch.AUXILIARY PORTPress the key programmed as [AUX A] or [AUX B] to activate the auxiliary port. Theauxiliary port is used with external devices.• The icon appears on the display when the auxiliary A port is active.• The icon appears on the display when the auxiliary B port is active.BUSY CHANNEL LOCKOUT (BCL)If BCL is set up by your dealer, you will be unable to transmit if the channel is already inuse.• “BUSY” appears on the display when you press the PTT switch. Use a differentchannel or wait until the channel becomes free.If your dealer has programmed BCL Override for your transceiver, you can override theBCL by pressing the PTT switch again, immediately after releasing it, when the channel isbusy.CONTROL CHANNEL HUNTOn digital Trunking channels, the transceiver automatically searches for a control channel.• While searching for a control channel, the antenna icon will fl ash and no signals can bereceived.PTT IDPTT ID is the transceiver unique ID code which is sent each time the PTT switch is pressedand/or released. (PTT ID can be made only in analog operation.)COMPANDERIf programmed by your dealer for a channel, the compander will remove excessive noisefrom transmitted signals, providing higher clarity of signals. (The compander is used only inanalog operation.)• Your dealer must set the compander for both the transmit side and the receive side inorder for the compander to operate.TRANSMIT POWERYour dealer has programmed a transmit power level for each channel. Power levels can behigh, medium (available only for NX-720H/ NX-720HG/ NX-820H/ NX-820HG), or low.