DESCENT G1 SERIES Owner’s Manual

Setting the North Reference

You can set the directional reference used in calculating heading information.

  1. Hold MENU.
  2. Select Sensors & Accessories > Compass > North Ref..
  3. Select an option:
    • To set geographic north as the heading reference, select True.
    • To set the magnetic declination for your location automatically, select Magnetic.
    • To set grid north (000º) as the heading reference, select Grid.
    • To set the magnetic variation value manually, select User, enter the magnetic variance, and select Done.