BenQ PU9730 - Connect to Screen Trigger

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Connect to screen trigger
You may connect a projector screen or other 12V trigger device to the projector and turn on
trigger output in OSD Control->Trigger. The trigger port supplys the 12 V signal after the projector
is powered on. After the projector is powered on it outputs 12V signal be adhere to current aspect
ratio and screen control settings for projector screen control.
Screen