If a voltage applies on the piezo buzzer a high signal is recognized and a sound regarding the configured operating mode is played.

Continuous Operation

Continuous Operation
The sound will be played continuously with the set frequency (f1) and for the set time (t3).

Pulse Operation

Pulse Operation
The sound will be played with the set frequency (f1).
The sound will be on for the set time (t1) and off (pause) for the set time (t2).
The sound will be switched on and off for the set time (t3).

Exchange Operation

Exchange Operation
The sound will be played with the set frequency (f1) for the set time (t1).
After the time (t1) is over the sound will be played with the set frequency (f2) for the set time (t2).
The sounds will change for the set time (t3).