Nautel XR12 User manual

XR12 Transmitter
Operations and Maintenance
Manual
Document:NHB-XR12-OPS
Issue: 3.1 2013-03-14
Status: Standard

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Nautel Limited
10089 Peggy’s Cove Road
Hackett’s Cove, NS Canada B3Z 3J4
Phone: [phone] or
Toll Free: +1.877.6NAUTEL (6628835) (Canada & USA only)
Fax: [phone]
Nautel Inc.
201 Target Industrial Circle
Bangor, Maine USA 04401
Phone: [phone]
Fax: [phone]
Email: [email protected]
Web: www.nautel.com
The comparisons and other information provided in this document
have been prepared in good faith based on publicly available
information. The reader is encouraged to consult the respective
manufacturer's most recent published data for verification.
© Copyright 2009 NAUTEL. All rights reserved.

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XR12 Operations and Maintenance Manual Table of contents
Page v
Contents
About this manual vii
About Safety xi
Electrical Hazards 3-xi
Lightning Hazards 3-xii
RF Hazards 3-xii
Toxic Hazards 3-xii
Other Hazards 3-xii
Safety Precautions xiii
Personal Safety 3-xiii
Site Safety 3-xiv
Equipment Safety 3-xvi
Description 1-1
Ac/dc power stage 1-1
Exciter stage 1-2
RF power stage 1-4
RF output filter 1-5
Control/monitor stage 1-6
Operating the transmitter 2-1
Graphic user interface 2-2
XR12 GUI 2-2
Viewing alarm status 2-7
Controlling power modules 2-8
Changing automation settings 2-9
Changing general settings 2-10

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Viewing digital meters 2-14
Setting the clock 2-16
Viewing software version information 2-19
Adjusting screen contrast 2-20
Changing hardware settings 2-20
Using the event log 3-1
Viewing the event log 3-1
Clearing the event log 3-6
Event log messages 3-7
Routine maintenance 4-1
Scheduled maintenance 4-1
Replacing air filter 4-2
Performing on-air checks 4-3
Replacing the control/display PWB battery 4-3
Inspecting lightning protection systems 4-4
Test and adjustment 5-1
Test equipment required 5-1
Test prerequisites 5-1
Standard adjustments 5-2
Non-standard adjustments 5-4
List of terms 6-1
Index IX-1

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About this manual
This manual provides technical information needed when operating, maintaining and
troubleshooting an XR12 transmitter. This manual is intended for use by transmitter operators and
field technicians.
Using this manual
If you are responsible for configuring or operating a transmitter, see Section 2, “Operating the
transmitter” on page 2-1 and Section 3, “Using the event log” on page 3-1.
If you are performing scheduled maintenance, or planning your maintenance schedule, see Section 4,
“Routine maintenance” on page 4-1.
If you are performing a test or adjustment, as instructed during a troubleshooting task, see Section 5,
“Test and adjustment” on page 5-1.
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).

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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 9-1 of the XR12 Pre-Installation Manual.
For accessories or spares, see “Accessories” on page 10-1 of the XR12 Pre-Installation Manual.
For standard warranty information, see “Pre-installation assistance” on page 11-1 of the
XR12 Pre-Installation Manual.
For extended warranty information, see “Pre-installation assistance” on page 11-1 of the
XR12 Pre-Installation Manual.
XR12 transmitter manuals
The XR12 documentation suite includes the following documents:
XR12 Pre-installation Manual, XR12-PREINST. The Pre-installation Manual provides
instructions and reference information needed when planning and preparing for the installation of an
XR12 transmitter.
Nautel Site Protection Manual. The Site Protection Manual provides detailed information
about protecting your site from lightning-related hazards.
CAUTION: FAILURE TO COMPLY WITH RECOMMENDATIONS MAY VOID YOUR
MANUFACTURER'S WARRANTY. FOR MORE INFORMATION, REVIEW YOUR
WARRANTY DOCUMENTS.
Tip: When you have completed a task or a step, put a checkmark beside the step number.

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XR12 Installation Manual, XR12-INST. The Installation Manual provides instructions and
reference information needed when installing an XR12 transmitter.
XR12 Operating and Maintenance Manual, XR12-OPS-MAINT. The Operating and
Maintenance Manual provides instructions for operating, maintaining and troubleshooting
an XR12 transmitter. It also provides reference information needed when performing diagnostic
procedures.
XR12 Troubleshooting Manual, XR12-TROUBLE. The Troubleshooting Manual provides
detailed technical information about the XR12 transmitter, including electrical schematics and
mechanical drawings.
Nautel website / Online resources
The Nautel website provides useful resources to keep you up to date on your XR12.
Nautel User Group (NUG)
The website includes a special section that customers can log into in order to access the Nautel
customer newsletter, product manuals, frequently asked questions (FAQ), information sheets, and
information about field upgrades. Registration is available online and is required.
Documentation: online and printed
The website’s NUG section provides online access to all the documentation for your XR12.
Documentation is provided in Acrobat (PDF) format. You can use the documentation online or
print the sections that you need.
When using online documents:
• Click on blue text (hyperlinks) to jump to a related section, or to get additional information
(e.g., view a term’s definition).
• To search a document to find keywords, use Find in Acrobat Reader’s Edit menu.
• To quickly find a specific section, click the section in the PDF file’s Bookmarks list.
When using printed documents:
• To find keywords, go to the Index section at the end of the manual.
• To find a specific term, go to the List of Terms section near the end of the manual.

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