Ram Trucks MEDIA CENTER 730N for Chrysler - Manual (Page 190)

Press the NAV hard-key again to toggle between Navi-
gation - Main Menu and navigation MAP.
The tip of the arrow in the circle in the center shows your
vehicle’s position on the map. The square soft-keys on
the left show the map zoom factor, the map orientation,
the display mode, and the current location soft-key.
Map Zoom Level
Press the Zoom soft-key to change the zoom level.
Touch the slider or the IN and OUT soft-keys to change
the zoom level. Roads with lower functional classification
are not shown in higher zoom levels. (E.g. residential
streets, lightly-traveled county roads.)
MEDIA CENTER 730N (RHR) 179