17 LTR TRUNKING66 Function Reference Version: 1.1117.5.1 System Search for VoiceChannelsTwo types of System Search is available: Manual andAuto.! Transceiver Operation# Manual1. Press [S] while the Intercept Tone sounds.The System Search Mode Tone sounds afterthe Intercept Tone stops.2. Release the PTT switch or the PF Ext. PTT(Voice) port.System Search starts from the next availablesystem from where the connection failed.The transceiver stop searching when it finds anavailable system.If no system is available, the Search ends andthe Search End Tone sounds.3. Press the PTT switch or activate the PF Ext.PTT (Voice) port.# Auto1. Release the PTT switch or activate the PF Ext.PTT (Voice) port while the Intercept Tonesounds.The System Search Mode Tone sounds afterthe Intercept Tone stops sounding.The transceiver starts the System Search.The transceiver stops searching when it findsan available System.If no system is available, the Search ends andthe Search End Tone sounds.2. Press the PTT switch or activate the PF Ext.PTT (Voice) port.Note:" The Voice Channel System Search starts from the nextSystem from where the transceiver failed to connect." During System Search, the System Search Tone istransmitted when performing the System Up." The PF Ext. PTT port does not operate during SystemSearch.17.5.2 System Search for DataChannelsYou can select “Auto” from the System Search pulldownmenu. The System Search does not work when “Manual”or “Disable” is selected.Follow the procedures below to activate the SystemSearch.1. The transceiver starts System Search when it failsconnecting to the repeater.The transceiver starts System Search when the PFExt. PTT (Data) port and the PF DTC port are disabledwhile using the PF Ext. PTT (Data) port and the PFDTC port connected to an external device.The transceiver starts System Search when the PFData PTT port is disabled while using the PF DataPTT only.2. System Search starts from the next Zone from wherethe transceiver failed to connect. The transceiverstops searching when it finds an available System. Ifno system is available in all Zones configured usingKPG-89D, the Search ends.3. The external device enables PF Ext. PTT (Data) port +PF DTC port, and the PF Data PTT port. Thetransceiver moves to the data channel to transmit.Note:" The System Search for data channels is disabled for theData CH/GID Dwell Time." The System Search operates even if “GTC” is configured forFleetSync data communication.17.6 Clear to TalkThis function emits the Delay Tone when accessing therepeater more than 3 times after pressing the PTT switch.The Delay Tone sounds when the "Clear to Talk"checkbox is not checked. A user recognizes that it isdifficult to access the repeater since the Delay Tonesounds.Note: The TK-280/ 780 emits the PTT Proceed Tone when theClear to Talk function is enabled. You can configure the PTTProceed Tone separately in the TK-2180/ 7180.