Dell 4320 Projector - Manual (Page 74)

Enable Wireless or LAN on the Projector
1 Connect the power cable and turn on the projector by pressing the power
button.
2.1 If you choose the LAN connection mode, follow these steps to enable Wireless
and LAN function (default is Enabled): Advanced Settings LAN Settings
Wireless and LAN Enabled.
2.2 If you choose the wireless connection mode, follow these steps to enable
wireless connection (default is Connected): Advanced Settings Wireless
Settings Wireless Connected.
NOTE: If your want to use the wireless connection for 4220 or 4320 projector,
need installed the optional wireless dongle. See "Installing the Optional
Wireless Dongle" on page 11.
Using Your Projector 74