Figure 5-17: Magnetic Declination Estimated Value Screen - Edgetech 2000-TVD User Hardware Manual

Combined sonar

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5-14

setDeclination <CR>

Help for command:

setDeclination, [D]

[D]: Declination angle (degrees), which is the correction between magnetic north and true

north. This value depends on geographic location.

Declination for your location can be found by going to the following website:

http://www.ngdc.noaa.gov/geomag-web/#declination

Here is an example of how using this website can help you to determine your angle of

deviation:

• Zipcode 02360 was inserted, then "Get & Add Lat/Lon" was selected:

Figure 5-17: Magnetic Declination Estimated Value Screen

2000-TVD COMBINED SONAR

5.0: MAINTENANCE

0017424_REV_B

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