SHP-DS510 - How to change the volume

  1. Unlock and open the door
  2. Take the battery cover off
  3. Press the [SETTINGS] button once to start the settings mode
  4. Enter 1 + * to enter volume setting mode 
  5. Enter 1 + * for silent mode
    Enter 2 + * for low volume
    Enter 3 + * for high volume