NPX136D Series Panel Mount P25 VHF TransceiverSM68 Installation and Operation ManualSection 3 Rev: 1.00 Issue 4 Page 3-19ENG-FORM: 806-0114.DOTCONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.3.8.2.6 Sidetone VolumeConfig Menu...Sidetone Vol: 00 - 64The level of the sidetone volume can be adjusted from 00 (off) to 64 (max).3.8.2.7 Transmit Time-out TimerConfig Menu...Tx Time-out: 30,60...300The transmit time-out timer sets the duration, in seconds, for which the transmitter is allowed to transmit.3.8.2.8 Priority Scan PeriodConfig Menu...Pri Scan: 1, 2, 3When priority scanning, and stopped on a list channel, the period (in seconds) at which the prioritychannel is checked for a valid RF signal.3.8.2.9 Number of ChannelsConfig Menu...Num of Chans: 032 - 255The number of channels available on the main transceiver may be set from 32 to 255. Only the availablechannels, as set from this field, are written during data transfer.3.8.3 Data Transfer MenuAllows copying of channel and configuration data from the source transceiver to the destinationtransceiver over a data transfer cable connected to another NPX136D.To use this feature connect the data transfer cable to a +28 Vdc power supply. Connect one of the cable's25-pin dmin connectors to the source transceiver's J1 connector and the cable's other 25-pin dminconnector to the destination transceiver's J1 connector.Turn on both transceivers. Leave the destination transceiver in the help screen. On the sourcetransceiver, enter the Data Transfer mode from the maintenance menu.When Data Xfer? is shown, data transfer starts immediately after the Enter button is pressed. Thedestination transceiver screen will change to display the messages shown below in response to themessages displayed on the source transceiver.Source Transceiver Destination TransceiverMaint. Menu: Help=InstructionData Xfer? Enter=OperationSource Xcvr -–-> --->DestinationConnecting... Connecting...Connected ConnectedWriting XXX Reading...Finished WritingPlease Press EscFinished ReadingPlease restartOn the destination transceiver, turn the transceiver off and then on to exit data transfer mode.