Compass Magnetic Variation Adjustment
NOTE:
Magnetic variation adjustments are required when compass displays a constant error in heading. Variation is difference between magnetic north and true north due to geographical location.
- Locate your geographic location. See Fig 1 .
- Turn ignition switch to RUN position, with engine off. Press MODE button in order to advance to COMP/TEMP mode.
- With DIC in COMP/TEMP mode, simultaneously depress and hold MODE and US/MET buttons until VAR CAL is displayed, in approximately 5 seconds. Release both buttons.
- Press US/MET button in order to advance to proper zone number.
- Press MODE button in order to enter and set zone number.