How to stop TCL Smart Projector from frequent auto focusing?

If you notice frequent auto focusing, you can try one of these options to reduce the frequency:

1. Update the firmware to the latest version:

Go to “Settings” > “System” > “About” > “System Update”.

2. Go to “Settings” > “Projector” > “Focus” > “Advanced” >turn off these features: “Auto Focus at Startup” and “Auto Focus When Moving”.