Nautel NV7.5 User manual

NV10/NV7.5 Transmitter
Operations and Maintenance
Manual
Document:NHB-NV7.5-NV10-OPS-3.4
Issue: 3.4 2016-08-03
Status: Standard

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]
Customer Service (24 hour support)
+1.877.628.8353 (Canada & USA only)
+1.902.823.5100 (International)
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 2012 NAUTEL. All rights reserved.

NV10/NV7.5 Operations and Maintenance Manual Table of contents
Page v
Contents
Release control record vii
About this manual ix
About Safety xiii
Electrical Hazards 1-xiii
Lightning Hazards 1-xiv
RF Hazards 1-xiv
Toxic Hazards 1-xiv
Other Hazards 1-xiv
Safety Precautions xv
Personal Safety 1-xv
Site Safety 1-xvi
Equipment Safety 1-xviii
Description 1-1
Ac-dc power stage 1-2
Control/monitor stage 1-3
RF drive stage 1-4
RF power stage 1-6
Operating the transmitter 2-1
Using the AUI 2-2
Home page 2-15
Menu page - describing transmitter operations 2-16
Logs page - viewing transmitter log 2-17
Viewing tool menu panels 2-26

NV10/NV7.5 Operations and Maintenance Manual Table of contents
Page vi Issue 3.4 2016-08-03
Viewing real-time meters 2-45
Presets - editing operational settings 2-50
Viewing transmitter status 2-66
Factory Settings 2-69
System Settings 2-78
User accounts 2-88
Changeover page 2-92
User settings 2-94
Remote I/O page 2-115
Routine maintenance 3-1
Scheduled maintenance 3-1
Replacing an air filter 3-3
Performing on-air checks 3-5
Replacing the control/interface PWB battery 3-6
Replacing the NVE exciter PWB battery 3-7
Inspecting lightning protection systems 3-8
Non-standard maintenance 4-1
Upgrading software 4-1
Improving transmitter performance for IBOC presets 4-4
Changing the RF output connector 4-6
Bypassing the UPS interface option 4-11
List of terms 5-1

NV10/NV7.5 Operations and Maintenance Manual
Issue 3.4 2016-08-03 Page vii
Release control record
Issue Date Reason
3.0 2011-11-10 Release 3 of product (NARF51B)
3.1 2012-12-15 Section 2: updated to support software release 4.0
Section 3: expanded air filter descriptions to include
M7, MERV 7 filters as suitable replacements
3.2 2013-10-01 Added nautel Phone Home to user Settings
3.3 2014-12-10 Section 2: updated to support software release 4.2.7
or later, changed exciter TCXO screen to show dual
exciter option.
3.4 2016-08-03 Software release NV SW 4.3

NV10/NV7.5 Operations and Maintenance Manual
Page viii Issue 3.4 2016-08-03

NV10/NV7.5 Operations and Maintenance Manual
Issue 3.4 2016-08-03 Page ix
About this manual
This manual provides technical information needed when operating, maintaining and
troubleshooting an NV10/NV7.5 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
without 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).

NV10/NV7.5 Operations and Maintenance Manual
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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 24-hour technical support, call toll free at 1.877.628.8353 (in USA and Canada only) or call
1.902.823.5100 (international) 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 NV10/NV7.5 Pre-
Installation Manual.
For extended warranty information, see “Pre-installation assistance” on page 10-1 of the
NV10/NV7.5 Pre-Installation Manual.
NV10/NV7.5 transmitter manuals
The NV10/NV7.5 documentation suite includes the following documents:
NV10/NV7.5 Pre-installation Manual, NV10/NV7.5-PREINST. Provides instructions and
reference information needed when planning and preparing for the installation of an NV10/
NV7.5 transmitter.
Nautel Site Protection Manual. Provides detailed information about protecting your site
from lightning-related hazards.
NV10/NV7.5 Installation Manual, NV10/NV7.5-INST. Provides instructions and reference
information needed when installing an NV10/NV7.5 transmitter.
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.