Garmin Alpha 300 Руководство пользователя - Страница 29
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Compass
The handheld device has a 3-axis, tilt-compensated compass. You can use a bearing pointer or a course pointer
to navigate to your destination.
Calibrating the Compass
NOTICE
Calibrate the electronic compass outdoors. To improve heading accuracy, do not stand near objects that
influence magnetic fields, such as vehicles, buildings, and overhead power lines.
You should calibrate the compass after moving long distances, experiencing temperature changes, or removing
the battery.
1 Select
>
> Calibrate Compass > Start.
2 Follow the on-screen instructions.
Navigating with the Bearing Pointer
When navigating to a destination,
points to your destination, regardless of the direction you are moving.
1 While navigating to a destination, select
.
2 Turn until
points toward the top of the compass, and continue moving in that direction to the destination.
Where To? Menu
You can use the Where To? menu to find a destination to navigate to. Not all Where To? categories are available
in all areas and maps.
Finding a Waypoint by Name
1 Select Navigation > Where To? > Waypoints >
> Spell Search.
2 Enter the name.
3 Select
.
Navigating with Sight 'N Go
You can point the device at an object in the distance, lock in the direction, and navigate to the object.
1 Select Navigation > Compass >
> Sight 'N Go.
2 Point the device at an object.
3 Select Lock Direction > Set Course.
Elevation Plot
By default, the elevation plot displays the elevation for an elapsed time.
To open the elevation plot, select Track Manager > My Track >
.
Calibrating the Barometric Altimeter
You can calibrate the barometric altimeter manually if you know the correct elevation or the correct barometric
pressure.
1 Go to a location where the elevation or barometric pressure is known.
2 Select Track Manager > My Track >
>
> Altimeter Setup > Calibrate Altimeter.
3 Follow the on-screen instructions.
Navigation
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