Home Cinema Projector with 4K UHD,HDR,Rec.709 | W1700
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How do I use a RS232 cable to control the volume and sound on the projector?
How do I use a RS232 cable to power on or power off the projector?
When projector is in operation, why is the power LED not lit up?
My remote control is not working. What can be done to fix it?
How to upgrade GS1 software through USB menory stick
How to make i500 to connect to the internet