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If your device is equipped with a supported internal compass (currently only iOS and Android).
Note: The compass only works when the screen orientation is in the normal portrait orientation.
The position indicator has a red triangle that points in the direction the phone is pointing. This is a very useful feature for navigation on foot, as you can determine directions while you are standing still.
When using the compass, you may find it gives wildly inaccurate results. First make sure you are away from any magnets or steel objects (it does not work reliably in a car). Follow the directions for the phone to calibrate the compass - on some devices you can simply rotate the phone in a slow tumbling motion, about all three axes, to expose it to the field from all directions. Most phones do not need to be in any special mode to do the calibration.
There are two ways you can use the compass feature. First, point the Phone in an intended direction of travel, or in the direction of a feature you want to identify on the map. The indicator triangle then shows that direction on the map.
Another way you can use it, is to hold the phone in a horizontal plane and rotate it so that the indicator triangle points to the top of the screen. When it is pointing straight up, the map is now oriented geographically, so that directions on the map are the same as directions on the ground.
The compass uses quite a lot of battery power due to the high update rate. You can disable the compass in the Main menu, Settings, GPS Settings.
Next: Using Marks
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