GPSMAP 5000 Series Owner’s Manual 39
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Keel Offset—offsets the surface reading for the depth of a keel. This makes it possible to measure
depth from the bottom of your keel instead of from the transducer’s location. Enter a positive
number to offset for a keel. You can enter a negative number to compensate for a large vessel that
may draw several feet of water.
To adjust the Keel Offset:
1. From the Home screen, touch Congure > My Boat > Keel Offset.
2. Use the touch screen keyboard to specify the offset.
3. Touch Done to accept the number.
NOTE: Touch Cancel to cancel your changes and return to the My Boat screen.
Enter a (+) positive number
to show depth from the
bottom of the keel.
Transducer at Surface
Enter a (-) negative
number to show depth
from the surface.
Transducer at Bottom of Keel
Keel Offset
Transducer—sets the temperature source, select sonar cone angles, and calibrate water speed.
Sonar Cone Angles
—sets the angle, in degrees, of the sonar cone so that it is accurately
depicted on the Fish Eye 3D screen when using a transducer other than the standard Garmin
transducer. Touch either 200kHz or 50kHz and use the touch screen keyboard to enter the
angle.
NOTE: The Sonar Cone Angles setting does not affect a standard Garmin transducer, and should
only be used to match the specications of a non-standard transducer.
Temperature Source—sets the temperature source (Transducer or NMEA).
Calibrate Water Speed—calibrates a speed sensing transducer. Follow the onscreen
directions for calibration. If you do not have a speed sensing transducer, this menu does not
appear.
NOTE: If the boat is not moving fast enough or the speed sensor is not registering a speed, a
“Speed Too Low” message appears. Touch OK and safely increase boat speed. If you get the
message again, stop the boat and make sure the speed sensor wheel is not stuck. If the wheel turns
freely, check the cable connections. If you continue to get the message, contact Garmin Product
Support.
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