K202 fingerprint control board and R303 fingerprint reader
1. System on working state, indicator light(LED) flash slowly
2. Press SET button, system in register state and indicator light flash fast
3. Fingerprint can be registered continuously when system in register state; if no need adding fingerprint more, waiting 5 seconds or exit by press SET button
4. When back to factory default, press RESET button until hear “Di”, release the button , hearing “Di” long beep means operation successful
5. Fingerprint verified or the door button closed(OPEN interface), the relay actuated and keep 5 seconds in closing state(NO COM NC interface); motor interface output DC5V and keep 0.5 seconds; stop 5 seconds, then minus voltage outputted and keep 0.5 seconds.