Pin D2 is LOW, pin D3 is HIGH and pin D4 is LOW. This Mode is ideal for turning ON the Sockets with an automated text.
A short number of rings is sufficient to turn ON the socket, under 20 second back light time.
The socket only stays ON for approximately 1 second.
This Mode is ideal for turning ON the socket with an automated text
See Mode 1 for explanation of backlight timings.
See AUTOMATIC OPERATION OF SOCKETS.