Acer X1223H User Manual - Page 21
Turning the Projector On/Off, Turning On the Projector
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English 11 Turning the Projector On/Off Turning On the Projector 1 Ensure that the power cord and signal cable are securely connected. The Power LED will light red. 2 Turn on the projector by pressing (POWER) on the control panel or remote control, and the Power indicator LED will turn blue. 3 Turn on your source (computer, notebook, video player, etc.). The projector will detect your source automatically (when it is the first time you turn on the projector or the Source Selection function is "Auto"). • If the screen displays "No Signal", please make sure the signal cables are securely connected. • If you connect to multiple sources at the same time, use "SOURCE" on the control panel or remote control, or the direct source key on the remote control to switch between inputs.