Computer input device and method of using the device

A hand-held device comprising:

• a display;
• a position sensor;
• a communication port operable to receive screen image data;
• and
• a processor operable to determine a new cursor position in response to a change of position detected by the position sensor, the processor being additionally operable to display on the display a window of an image positionally referenced to the new cursor position in response to screen image data when the hand-held device is operated in a remote mode and to display on the display a local image in response to local image data and a cursor icon overlaid on the local image when the hand-held device is operated in a local mode, the local image displayed representing a fractional portion of the local image data that is selected in response to the new cursor position,
• wherein the display, the position sensor, the communication port and the processor of the hand-held device are connected together over a bus.

A machine-readable medium comprising sets of instructions operable in a machine comprising a processor, a display, a position sensor and a communication port, a first collection of the sets of instructions being operable to cause the processor to perform operations comprising:

• determining a new cursor position in response to a change of position of the machine;
• determining screen image data representing a window of an image, the window being positionally referenced to the new cursor position;
• displaying the window of the image on the display of the machine in response to the screen image data when the machine is operated in a remote mode, wherein the display of the machine is connected to a bus along with the processor of the machine;
• and
• displaying on the display of the machine a local image in response to local image data and a cursor icon overlaid on the image when the machine is operated in a local mode, the local image displayed representing a fractional portion of the local image data that is selected in response to the new cursor position.