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True 4K UHD Home Entertainment Projector for Sports Fans in Bright Room | TK800M

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Why does the projector not respond to any command when powering on or turning off?
How to resolve the "Illegal Format" message that popped up when I was inputting RS232 commands?
Which reminder messages will stop being displayed after "Reminder Message" is switched off?
Is it possible to enable silence mode as default on projector?
Can I control the BenQ projector with a remote control designed by other manufacturers?
How do I use a RS232 cable to power on or power off the projector?
How do I use a RS232 cable to control the volume and sound on the projector?
Does the projector support changing slides on PowerPoint using a remote which emulates page up and page down commands for both Windows PC and MacOS?
How should I choose a projection screen?
How to change the lamp and reset the lamp timer?
How do I clean my projector lens?
Can I change the projector lamp myself?
How can I eliminate the grey areas around a projected image?
My remote control is not working. What can be done to fix it?
When projector is in operation, why is the power LED not lit up?
How to fix the shaky 2D image displayed through my projector?
How to fix the left-right asymmetry that caused half of the projected image to be brighter than the other?
Some items in OSD are greyed out in HDR mode, how can I fix it?
Why can’t I use a QR code to log in to the AMS system when the projector is turned on?
Why doesn't the projector accept content formatted in 3D?
Which 3D glasses are recommended for BenQ projectors with 3D features?
Is the baud rate of the projector changeable?
Which types of BenQ projectors require a power cycling process?
Compatible Signals of the TK800M
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