Introduction - If you have any usage issues, please Google them yourself
6. For the key to enter a password lock, assuming that reset after the seven lamp displays " 0" , and the use of sw1, sw2 2, then press and release as long as the sw2, the seven lamps on the show " 2" , while the As long as sw1 press and release, the seven lamps on the correct display value of " 1."