| 摘要 |
A display control method in display device and display device are provided to determine analog and digital and to switch analog and digital even the DVI-I type connector is not used as the analog interface for the analog RGB signal. If the power supply of the display device is turned on(#11), the power on flag is 1 or not is judged(#12). If the flag is 1, the existence of analog RGB signal is checked for setting the initial setting to the display control(#13). If the analog RGB signal exists, the set power save mode is released(#17). The switched information is stored in the switch memory(#19). If the analog RGB signal does not exist, the existence of the digital signal is checked(#14). If the digital signals exist, the set power save mode is released(#20). The switched information is stored in the switch memory(#22). If the analog RGB signal and the digital signals do not exist, the power save signal is outputted and the digital mode is set(#16). If the power on flag is 0, the switch memory is read and is switched to one of the analog RGB signal or the digital signal(#23).
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