How to turn the buzzer on or off
The buzzer sounds a chord tone whenever any button is pressed. You can turn it off if you prefer silent operation.
Steps
1
Hold the 
and 
buttons together for 3 seconds to turn the buzzer off.
2
Hold and together for 3 seconds again to turn it back on.
Video guide
Video coming soon
Note: You will hear a confirmation sound when the buzzer is turned back on.