US Patent 8199109 Control system for a remote vehicle

A system for controlling a remote vehicle, the system comprising: a hand-held controller having a plurality of buttons; a display including a graphical user interface having soft buttons; and a processor in communication with the hand-held controller and the display. Buttons of the hand-held controller are mapped to soft buttons of the graphical user interface to allow actuation of soft buttons of the graphical user interface, and the hand-held controller is capable of switching between two or more button function modes, wherein each button function mode assigns different functions to one or more of the buttons of the hand-held controller.