Nautel XR12 Installation Manual

Also see for XR12: Troubleshooting manual Operation and maintenance manual Preinstallation manual

XR12 Installation Manual Commissioning tasksPage 11-6 Issue 3.0 2009-07-15Going on-airImportant: Before going on the air, if you want the safety interlocks to operate properly, the shortingjumpers installed in “Turning on the transmitter” on page 11-3, Step 3 should be removed.When the commissioning tests are successfully completed, connect the studio audio to thetransmitter's audio input terminals, connect the RF output to its antenna system, and complete anyemission tests that are required.1. Turn off the power using the ac disconnect switch, if one is being used, or else at the acsource.2. Connect the transmitter's RF output to an antenna system (or verify that the currentconnection is intact).3. Turn the transmitter’s ac power back on.4. Use the transmitter controls and graphic user interface to begin transmitter operations. Fordetailed instructions, refer to the XR12 Operating and Maintenance Guide.WARNING:If a jumper is placed between interlock inputs TB1-1/TB1-2 on theremote interface pwb, safety features controlled by the externalinterlocks will be disabled. A fail safe method of alerting personnel tothis fact should be implemented. Voltages which are dangerous to lifewill be present on the RF output stages and the antenna system if thetransmitter is turned on.