Graco 450T GPS Receiver User Manual


 
10 Oregon Series Owner’s Manual
Basic Navigation

Calibrate the electronic compass
outdoors. Do not stand near objects
that inuence magnetic elds, such
as cars, buildings, or overhead power
lines.
Calibrate the compass after moving
long distances, experiencing
temperature changes greater than
20°F (11°C), or changing the
batteries.


1. Touch  >  > 
.
OR
From the Compass page, touch
and hold the middle of the
compass.
2. Touch  and follow the on-
screen directions.
“Too Fast” or “Too Slow” may
appear, notifying you to adjust your
turning speed. If “Calibration Failed”
appears, touch OK, and repeat the
process.