Why does RP02 will enter power save mode after using the HDMI signal for 30 minutes?

BenQ Board will power save mode after using the HDMI signal for 30 minutes

Behavior:

Using the HDMI signal for 30 minutes, BenQ Board will enter power save mode, and it can wake up if someone is detected by the motion sensor.

Answer: 

It's a feature of the PIR extension, if nobody is detected by PIR after 30 minutes, the system will enter the save mode.

 

If you want to disable this function, you can go to the debug menu:

Debug menu > Other setting > PIR Wake up from sleep mode > Set Off