IR Backlight turns on when the camera is on and the illumination level is below 10%. Every 10 minutes Backlight turns off and update illumination level. If illumination level upper 10% backlight stay off, else turns on. | IR Backlight turns on when the camera is on and the illumination level is below 10%. Every 10 minutes Backlight turns off and update illumination level. If illumination level upper 10% backlight stay off, else turns on. |