NEC NP1250 User Manual page 175

3. Slowly remove the dummy case or the current attached USB Wireless LAN Unit.
Attaching the USB Wireless LAN Unit
A Phillips-head screw driver is needed.
1. Slowly remove the dummy case or the Wireless LAN module from the joint module. (if using the optional
USB Wireless LAN Unit)
2. Slowly insert the USB Wireless LAN module into the joint module. (if using the optional USB Wireless
LAN Unit)
3. Insert the USB Wireless LAN Unit slowly into the USB port on the rear panel of the projector.
NOTE: After inserting, make sure the bottom of the USB Wireless LAN unit is firmly seated against the cabinet.

9. Appendix