Variance

Variance is defined as the angular difference between magnetic NORTH and geographic NORTH. In some areas of the country, the difference between magnetic and geographic NORTH is great enough to cause false readings.

To set the variance for the vehicle's particular location:

Magnetic Deviation Zones Across The North American Continent:

1. Determine your location on the zone map.
2. Note the zone number.
3. Press and hold both the "ON/OFF" and "US/MET" switches. The display will go off.
4. After 5 seconds, "VAR" will appear on the display. When it does, release both buttons.
5. Press "US/MET" until your zone number appears on the display.
6. Press "ON/OFF" to enter your geographical zone number. The compass is now adjusted for variance.