There should be an applet below. You should
see a color wheel. If you do not, your browser should ask you to download
a plug-in. It is Sun Microsystems Java plug-in. Let it. It
is safe. If you browser does not ask to download the plug-in, find a browser
that does.
Press the start button. If the sound
is working properly, you should hear a tone. Press the stop button before
going on.
