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Installation
considerations
Choosing a
mounting
location
490 INSTALLATION MANUAL, Revision B2
To purchase a single transducer, contact GEM Electronics at:
GEM Electronics Company
110 South Acline Avenue
Lake City, South Carolina 29560
Phone 843/394-3565
If you are a dealer and want to purchase multiple transducers,
you can reach Airmar Technology Corporation at:
Airmar Technology Corporation (www.airmar.com)
35 Meadowbrook Drive
Milford, New Hampshire 03055-4613
Phone 603/673-9570
For a list of transducers that are compatible with the Northstar
490, visit Northstar's website at:
www.NorthstarNav.com
The following basic setup information isn't a substitute for the
installation instructions provided by the transducer's
manufacturer. To ensure that you meet all critical installation
parameters, be sure to read and follow all of the requirements
in their instructions. Northstar assumes no responsibility for
improper installation.
CAUTION!
Do not mount the transducer:
•
behind strakes, fittings, or hull irregularities
(mounting in those locations may increase
turbulence, aeration, and cavitation) or near the
keel
•
near openings for water intake or discharge
•
where it might be loosened by the vessel's
vibration
•
less than four feet away from the Northstar 961/
962 processor to minimize interference
SECTION TWO Installing the transducer
Fax 843/394-3736
Fax 603/673-4624
Page 7
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