Introduction - If you have any usage issues, please Google them yourself
7. For the key to enter a password lock, assuming that reset after the seven lamp displays " 0" , and the use of sw5, sw6 2, then press and release as long as the sw5 after seven lamps on the display " 5" , while the As long as sw6 press and release, the seven lamps on the correct display value of " 6."