| 摘要 |
A projector control method for a projector in a standby mode is disclosed. The projector is connected to an active video source for image projecting, and the projector comprises at least one input port. The method comprises the follow steps of: connecting electronically the projector and the video source via a video signal cable; detecting whether a defining signal is produced from the input port of the projector, wherein the defining signal is selected from one of the following: a current variation, a voltage variation, an encoded signal, a clock signal, and a synchronous signal; and supplying power to the projector and igniting a lamp when the defining signal is detected, such that the projector enters an active mode.
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