NEC NP2250 - Manual (Page 35)

2. Installation and Connections
To enable direct communication (i.e., peer-to-peer) between personal computers and projectors, you need to
select the Ad Hoc mode.
From the menu, select [SETUP]
→ [INSTALLATION(2)] → [NETWORK SETTINGS] → [WIRELESS] → [AD-
VANCED] → [CONNECTION] → [NETWORK TYPE] → [AD HOC].
The Ad Hoc mode complies with IEEE802.11 standard.
PC with wireless
LAN card inserted PC with built-in wireless
LAN function
USB Wireless LAN Unit
(C) Example of wireless LAN connection (Network Type → Ad Hoc)