SHP-DP609 - How to enable/disable the welcome mode

1. Unlock and open the door
2. Take the battery cover off
3. Press the [REG] button once to start the registration
4. Enter the Security (home symbol) button on the key pad
5. Enter 1 + *
6. Enter 1 + * to enable welcome mode and security mode
   Enter 2 + * to enable welcome mode 
   Enter 3 + * to disable welcome mode
   Enter 4 + * to set detection distance
                   1 + * for short distance
                   2 + * for middle distance
                   3 + * for long distance