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NX-800/800H
2
Document Copyrights
Copyright 2008 by Kenwood Corporation. All rights re-
served.
No part of this manual may be reproduced, translated,
distributed, or transmitted in any form or by any means,
electronic, mechanical, photocopying, recording, or other-
wise, for any purpose without the prior written permission
of Kenwood.
Disclaimer
While every precaution has been taken in the preparation
of this manual, Kenwood assumes no responsibility for er-
rors or omissions. Neither is any liability assumed for dam-
ages resulting from the use of the information contained
herein. Kenwood reserves the right to make changes to any
products herein at any time for improvement purposes.
Firmware Copyrights
The title to and ownership of copyrights for firmware
embedded in Kenwood product memories are reserved for
Kenwood Corporation. Any modifying, reverse engineer-
ing, copy, reproducing or disclosing on an Internet website
of the firmware is strictly prohibited without prior written
consent of Kenwood Corporation. Furthermore, any resell-
ing, assigning or transferring of the fi rmware is also strictly
prohibited without embedding the firmware in Kenwood
product memories.
NXDN Transceivers:
The AMBE+2(TM) voice coding technology is embedded
in the fi rmware under the license of Digital Voice Systems,
Inc.
INTRODUCTION
SCOPE OF THIS MANUAL
This manual is intended for use by experienced techni-
cians familiar with similar types of commercial grade com-
munications equipment. It contains all required service
information for the equipment and is current as of this pub-
lication date. Changes which may occur after publication
are covered by either Service Bulletins or Manual Revisions,
which are issued as required.
ORDERING REPLACEMENT PARTS
When ordering replacement parts or equipment informa-
tion, the full part identifi cation number should be included.
This applies to all parts: components, kits, and chassis. If
the part number is not known, include the chassis or kit
number of which it is a part and a suffi cient description of
the required component for proper identifi cation.
PERSONAL SAFETY
The following precautions are recommended for personal
safety :
• DO NOT transmit if someone is within two feet (0.6 me-
ter) of the antenna.
• DO NOT transmit until all RF connectors are secure and
any open connectors are properly terminated.
• SHUT OFF this equipment when near electrical blasting
caps or while in an explosive atmosphere.
• All equipment should be properly grounded before pow-
er-up for safe operation.
• This equipment should be serviced by only qualified
technicians.
PRE-INSTALLATION CONSIDERATIONS
1. UNPACKING
Unpack the radio from its shipping container and check
for accessory items. If any item is missing, please contact
KENWOOD immediately.
2. LICENSING REQUIREMENTS
Federal regulations require a station license for each
radio installation (mobile or base) be obtained by the equip-
ment owner. The licensee is responsible for ensuring trans-
mitter power, frequency, and deviation are within the limits
permitted by the station license.
Transmitter adjustments may be performed only by a
licensed technician holding an FCC fi rst, second or general
class commercial radiotelephone operator’s license. There is
no license required to install or operate the radio.
3. PRE-INSTALLATION CHECKOUT
3-1. Introduction
Each radio is adjusted and tested before shipment. How-
ever, it is recommended that receiver and transmitter opera-
tion be checked for proper operation before installation.
3-2. Testing
The radio should be tested complete with all cabling and
accessories as they will be connected in the fi nal installa-
tion. Transmitter frequency, deviation, and power output
should be checked, as should receiver sensitivity, squelch
operation, and audio output. Signaling equipment operation
should be verifi ed.
4. PLANNING THE INSTALLATION
4-1. General
Inspect the vehicle and determine how and where the
radio antenna and accessories will be mounted.
Plan cable runs for protection against pinching or crush-
ing wiring, and radio installation to prevent overheating.
GENERAL