EF2 Setting app for iPhone and iPad
If you select the type of switch to register the applicable program switch in the lighting network, the image of the switch appears.
At this time, register the address by entering the address corresponding to the button of the switch using the smartphone.
Alternate Address can also be registered, which is used to perform more diverse lighting controls by giving a switch multiple functions.
All of this is done using NFC, a short-range wireless communication technology between smartphones and program switches.