Dell 7700HD Projector - Manual (Page 74)

NOTE: If the LAN is used for audio projection, connect the LAN cable to the
projector and the computer.
Launch the Wireless Application
7 Once the installation is complete, the program will launch automatically. Or
you can double-click the icon on the desktop to start the application.
NOTE:
1 When you select the LAN for projection, click "Skip".
2 When you select the Wireless for projection, select the Dell 7700FullHD,
and the click "OK".
Using Your Projector 74