SHP-R80 - How to enable/disable the random security mode

1. Unlock and open the door. 

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

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

4. Enter the Security (home symbol) button on the keypad.

5. Enter 2 + *

6. Enter 1 + * to enable random security mode
    Enter 3 + * to disable random security mode