XR12 Troubleshooting Manual
Issue 3.0 2009-07-28 Page ix
About this manual
This manual provides troubleshooting information for the XR12 transmitter. It is intended for use by
field technicians. This manual allows the troubleshooting technician to diagnose a fault to the system
level, using alarm response procedures, parts lists, wiring lists, and electrical schematics. Electrical
schematics and mechanical drawings are included at the end of the manual.
Performing procedures
When using procedures in this manual, perform each step in sequence.
• If you are asked to see another section of this manual, or another document, refer to that
section or document for additional information, then continue the procedure.
• If you are asked to go to another step within the procedure, jump directly to that step with-
out performing the intervening steps.
• If you are asked to go to another section or document, stop the procedure and perform the
tasks described in the other section or document.
• If you are asked to check a voltage, use a digital voltmeter and test the voltage relative to
ground (unless otherwise instructed).
• If you are asked to check a signal, use an oscilloscope and test the signal relative to ground
(unless otherwise instructed).
Technical support
Nautel offers technical support to customers over the Internet and by telephone. Nautel’s customer
support team will answer your questions and work with you to identify and resolve problems.
For technical support, call the Customer Support Team at 902-823-3900 or - in U.S.A. and Canada
only - call toll free at 1-877-6NAUTEL (662-8835). Or find us on the Internet at http://
www.nautel.com.
For parts and tools information, see “Parts and tools” on page 12-1 of the XR12 Pre-Installation
Manual.
For accessories or spares, see “Accessories” on page 10-1 of the XR12 Pre-Installation Manual.
