Garmin GMR 21/41 - Manual (Page 3)

GMR 21/41 Owner’s Manual 
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This manual covers the features and operation of the GMR 21/41
marine radar when viewed on a Garmin marine network chartplotter.
Installing Your GMR 21/41
To install your GMR 21/41, refer to the GMR 21/41 Installation
Instructions included in this box. If you experience difficulty
installing the radar, contact Garmin Product Support or an installation
professional in your area.
About This Manual
To get the most out of your GMR 21/41, take time to read this manual
and learn the operating procedures in detail. This manual is organized
into the following sections.
The Introduction sections contains the Table of Contents, Product
Registration, and Software License Agreement.
The Basic Operation section describes the features and operation of
the GMR 21/41.
The Appendix contains specifications, regulatory information, and
maintenance information. You can also find warranty, European
Licensing Requirements, and FCC information in the Appendix.
An Index is provided at the end of the manual for reference.
Manual Conventions
This manual uses the term Warning to indicate a potentially
hazardous situation, which, if not avoided, could result in
death or serious injury.
This manual uses the term Caution to indicate a potentially
hazardous situation, which, if not avoided, may result
in minor injury or property damage. It may also be used
without the symbol to alert you to avoid unsafe practices.