Calibration
Keel Offset
The ‘Keel Offset’ field allows the user to offset the depth reading for a keel or for the draw on a larger vessel .
To Set a Keel Offset:
1.Highlight the ‘Calibration’ tab on the Setup Menu.
2.Highlight the ‘Keel Offset’ field and press ENTER.
3.Using the arrow keys enter a new offset, press ENTER to accept.
Water Type
Since sound waves travel through fresh and salt water at different rates, it is necessary to select the ‘Water Type’ to ensure accurate depth readings.
To Change the Water Type:
1.Highlight the ‘Calibration’ tab on the Setup Menu.
2.Highlight the ‘Water Type’ selection field and press ENTER.
3.Choose ‘Fresh’ or ‘Salt’, press ENTER to accept the selection.
Speed Sensor
With a speed sensor installed, the ‘Calibrate Speed’ field will become available. This will allow you to calibrate the Fishfinder speed to your boats speedometer or your GPS speed.
To Calibrate the Speed:
1.Highlight the ‘Calibration’ tab on the Setup Menu.
2.Highlight the ‘Calibrate Speed’ button and press ENTER.
3.Run your boat, noting your top speed. Stop the boat and press ENTER.
4.With the speed field highlighted, press ENTER and input your top speed. Highlight ‘OK’ and press ENTER to finish the calibration.
Unit Operation
Setup Menu/Calibrations
Transducer at Surface
Enter (+) positive number to show
depth from bottom of keel | Transducer at Bottom of Keel | |
Enter | ||
| ||
| depth from surface | |
| 25 |