When is reached an alert time set before, the relative sticky appears in the center of the screen. You can add a sound to the event, sound that you can set as single or continuous.

Sounds are enabled through the appropriate window, that can be opened by the menu.

You can replace the 4 default sounds with any sound you want in ".wav" format. The default files (sound1.wav, sound2.wav, sound3.wav, sound4, wav) are located in the program folder (admin privileges required). Rename the new sound with the same name of the sound that you want to replace.