APT 860C - USB Port Power Control; Light Sensor Configuration; Advanced Settings Access

8.12 USB Port：press UP/DOWN level, select press OFF/ON，Will be no Voltage/Current
output after switching off.
8.13 Light sensor：Light sensor item，press MENU Button , enter into Light sensor
interface ，Press UP/DOWN button select OFF/ON；select Sensitivity，press
UP/Down Select sensitivity of light sensation HI/MID/LO.
8.14 Advance setting: Press POWER button can get into the advance setting menu,
default password is ‘1919’.