![Wireless Devices AF-21 Operation Manual Download Page 6](http://html.mh-extra.com/html/wireless-devices/af-21/af-21_operation-manual_988494006.webp)
6
The Programming Tool for PC.
1: Capcode for receiver.
2: enable to transmitter(input trigger).
3: enable to send message when input being trigger.
4: enable IoT receiver when receive message and send it to smart phone
5: Preprogrammed messages for 8 dry conduct trigger.
6: Manual Wi-Fi preprogram, leave it blank for set up by smart phone or computer.
While programming, the AF-21 DC plug must be off and disconnected.
(Just use the DC power source from the PC USB.)