Garmin GPSMAP 4008 - Marine GPS Receiver Technical Reference - Page 25

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Also for Garmin GPSMAP 4008 - Marine GPS Receiver: Important Information (2 pages), Owner's Manual (2 pages), Quick Reference Manual (2 pages), Installation Instructions Manual (19 pages), Installation Instructions Manual (25 pages), Installation Instructions Manual (25 pages), Quick Reference Manual (2 pages), Important Safety Information (48 pages), Declaration Of Conformity (1 pages), Supplement Manual (24 pages)

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Garmin GPSMAP 4008 - Marine GPS Receiver Technical Reference
Intelliducer (Intelligent Depth Transducer–Transom Mount and Thru-Hull)

Setting the Keel Offset

Adjust the Keel offset to display a depth reading from the water line or from the lowest point of the boat (keel) rather than the actual location
of the Intelliducer.
To adjust the keel offset:
1. While viewing the NMEA 2000 device configuration menu, select a specific Intelliducer and select
2. Enter the measured distance from the Intelliducer location to the water line or to the keel of the boat.
•
If you are measuring down to the keel (Intelliducer installed at the water line), enter a (+) positive number.
•
If you are measuring up to the water line (Intelliducer installed on the keel), enter a (-) negative number.
Technical Reference for Garmin NMEA 2000 Products
Intelliducer at the water line
Enter a (+) positive number
to show depth at the
bottom of the keel.
Intelliducer at the bottom
of the keel
Enter a (-) negative
number to show depth at
the surface.
Keel Offset
NMEA 2000-Certified Sensor Configuration Information
Config
>
Keel
Offset.
2