NEC NP2150 User Manual page 154

9. Appendix
3. Slowly remove the dummy case or the current attached USB Wireless LAN Unit.
4. Slowly remove the dummy case or the Wireless LAN module from the joint module.
5. Slowly insert the USB Wireless LAN module into the joint module.
6. 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.
7. Tighten the two screws.
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