Dell S510 Interactive Projector - Manual (Page 99)

Using Your Projector 99
Login
Login with the Access Code provided in Step 4 of Audio Projection
Installation, then click Connect.
11 You are now logged into the S510 Wireless Application. Click "Play"
button in the application to starting the wireless or LAN projection.
12 Click “Audio Projection” button in the application to toggle audio
projection On/Off.
NOTE: Audio projection function needs installed extra driver in Mac
operating system. If your Mac computer does not have the driver
installed, a pop-up message will appear on-screen prompting you to
install the required driver. You can download the "Soundflower”
driver from the some search engine sites (ex. Yahoo, MSN...). The
"Soundflower” driver is a free application. See "Install the
Soundflower Driver" on page 100.
13 Executing the audio player software on your computer.