When viewing a map, both online and offline, parts are being cached locally to reduce the need for repeated download or recreation. This speeds up map loading and saves battery. (All profiles)
This device lacksdoes not have an ambient temperature sensor, but itrough values can be derived using other sensors. Please read more in Helpinternal sensors (such as CPU temperature).
(All profiles) Render terrain elevation shades. Map will look more realistic, but probably slower. Requires DEM (.hgt) files present in the map folder.