See also:

Zone variation change procedure
The difference between magnetic north and geographical north is known as variance. In some areas, this difference can sometimes be great enough to cause false compass readings. Follow these instructi ...

Clearing the programmed information
Individual buttons cannot be cleared. However, to clear all programming, press and hold the two outside buttons and release when the indicator light begins to flash (approximately 20 seconds). ...

SENSE AND STYLE
Family Friendly (Not Really, Fair, Great, Excellent): Excellent Fun-Factor (None, Some, Good Times, Groove-On): Good Times ...