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Routing Settings
The available routing settings vary based on the activity selected.
Select Setup > Routing.
Activity: Sets an activity used for transportation while routing. The device calculates routes optimized for the
type of activity you are doing.
Calculation Method: Sets the method used to calculate your route.
Route Transitions: Sets how the device routes from one point on the route to the next. This setting is available
only for some activities. Distance routes you to the next point on the route when you are within a specified
distance of your current point.
Lock On Road: Locks the blue triangle, which represents your position on the map, onto the nearest road. This
is most useful when driving or navigating on roads.
Off Route Recalculation: Sets recalculation preferences when navigating away from an active route.
Avoidance Setup: Sets the types of roads, terrain, and transportation methods to avoid while navigating.
Heading Settings
You can customize the compass settings.
Select Setup > Heading.
Display: Sets the type of directional heading shown on the compass.
North Reference: Sets the north reference used on the compass.
Go To Line (Pointer): Allows you to use the bearing pointer that points in the direction of your destination, or
use the course pointer that shows your relationship to the course line leading to the destination.
Compass: Automatically switches from an electronic compass to a GPS compass when you are traveling at a
higher rate of speed for a period of time.
Calibrate Compass: Allows you to calibrate the compass if you experience irregular compass behavior, for
example, after moving long distances or after extreme temperature changes. See
page
11.
Altimeter Settings
Select Setup > Altimeter.
Auto Calibration: Automatically calibrates the altimeter each time the device is turned on. The device continues
to automatically calibrate the altimeter as long as the device has GPS signals acquired.
Barometer Mode: Variable Elevation allows the barometer to measure changes in elevation while you are
moving. Fixed Elevation assumes the device is stationary at a fixed elevation, so the barometric pressure
should only change due to weather.
Pressure Trending: Sets how the device records pressure data. Save Always can be useful when you are
watching for pressure fronts.
Plot Type: Records elevation changes over a period of time or distance, records barometric pressure over a
period of time, or records ambient pressure changes over a period of time.
Calibrate Altimeter: Allows you to calibrate the barometric altimeter if you know the correct elevation or the
correct barometric pressure. See
Position Format Settings
NOTE: You should not change the position format or the map datum coordinate system unless you are using a
map or chart that specifies a different position format.
Select Setup > Position Format.
Position Format: Sets the position format in which a location reading appears.
Map Datum: Sets the coordinate system on which the map is structured.
Map Spheroid: Shows the coordinate system the device is using. The default coordinate system is WGS 84.
Customizing the Device
Calibrating the Barometric Altimeter, page
Calibrating the Compass,
12.
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