MX842UST

MX842UST

Display
Setup
Casting & Mirroring
Apps & Firmware
External Devices
Power
Audio
How can I apply the bi-directional CEC function on the projector?
Why is some of the color only looks different with monitor output in high-brightness model?
3D is not working or getting lost sync on my projector. How can I fix it?
Apps sometimes quit unexpectedly on my Android TV and the system crashes to the home screen. How can I fix this?
How to set up HDR on my projector?
My projector is turned on without an image even if it is connected to my player. How can I fix it?
How do I clean my projector lens?
What HDMI cable version is compatible with 4K HDR?
The projector gets hot in standby mode. How can I fix that?
I can hear sound, but the screen always goes blank when connecting my mobile device to the projector using a cable or adapter and trying to stream content from Netflix, Disney+, Hulu, and others. How can I fix this?