PORTABLE INFORMATION PROCESSING DEVICE AND ITS VIDEO SIGNAL ADJUSTING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a portable information processing device in which an output picture is simply adjusted when a video signal is sent out to the outside display device to output a picture.

SOLUTION: The device is provided with a keyboard 19 and a built-in liquid crystal display 15. The devices is also provided with: a graphics device driver 103 performing color adjustment of display information; and a graphics adapter 16 converting display information color-adjusted by the graphics device driver 103 to output it to a projector 3. When the video signal is outputted to the projector 3 from the graphics adapter 16, the graphics device driver 103 performs color adjustment of display information in accordance with operation of a hot key 19a of the keyboard 19 (Fn+Home (Δ)/Fn+End(upside-down triangle)).

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