- Running light： flicker—work； not bright—Not working（check the cable if it is
reversed connected.）； Press the remote control and it will flash.
- Remote control receiver： the remote control is for switching on and off screen, program
selection, brightness adjustment, screen test, etc.
- Temp/humidity： Sensing the temperature/humidity of the environment.
- Brightness sensing： Sensing the brightness of the environment automatically adjusts
the brightness of the display. The daytime light is strong, the screen is brighter; the
night light is weak, and the screen is dark.