If the Java applet does not display, please read the following page: Java Settings
Si l'applet ne s'affiche pas, veuillez consulter la page suivante: Configuration du module Java

[Web archive. This is the 1997 version of these online tests]

If you do not hear anything, make sure Java and Javascript are activated.
Also, please check your speakers and set the volume.
You might also try to click the icon again.