| 摘要 |
PURPOSE: A method for controlling resolution of a graphic image is provided to display a graphic image in an effective area of picture of an external connection equipment. CONSTITUTION: A CPU sets up a display control mode according to a request of a user(S10). The user selects a television as a display equipment(S11). The CPU displays a user menu for selecting a plurality of main horizontal and vertical resolution values corresponding to horizontal and vertical frequencies receivable by the television(S13). If one of the resolution values is selected, the selected resolution value is confirmed(S14). The CPU displays a menu for selecting sub horizontal and vertical resolution values to normally display a graphic image within an effective area of picture of the television(S15). The CPU confirms sub horizontal and vertical resolution values which are additionally set(S16). A graphic card variably controls resolution of the graphic image(S17). The CPU detects a source type of the graphic image or a video image(S18). If the video image of a DVD is output, the CPU automatically stops controlling resolution(S19,S20).
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