SHS-3321 - How to change the volume

  1. Unlock and open the door
  2. Take the battery cover off
  3. Press the [REG] button once to start registration
  4. Enter 0 + * for Mute
    Enter 1 + * for low volume
    Enter 2 + * for medium volume
    Enter 3 + * for high volume

1-Oct-05-2020-04-47-06-71-AM