SHP-R80 - How to change the master PIN code

1. Unlock and open the door. 

2. Take off the internal cover below the manual thumbturn.

3. Press the [REG] button to start the registration.

4. Enter the current master PIN code (default is 1234) + *

5. Press 0 + *

6. Enter the new master PIN code (4-12 digits) + *