GPS mode
Open GPS will lead you to 'GPS mode' in MapKing 3D which contains the following displays.

Close Map--- Close GPS, switch to 'Map View' mode
Rerouting--- Activate the Rerouting based on actual position
Switch Map--- Switch to other Map file.
Destination--- Change destination or Stop GPS and routing options.
Day/Night--- Switch Day/Night mode
Exit--- Close MapKing 3D
2D/3D view--- Switch between 2D and 3D
GPS view Mute--- Disable vocal assistance
M.O.B.--- Mark point of GPS position, only work when GPS is on.
GPS Status--- View the GPS signal status
Start/Stop Simulation--- Re-start simulation from the beginning
Option--- Enter the general setting.