NEC NP-P401W User Manual page 209

• Operating the projector (connecting computer)
1 Connect a USB mouse that is commercially available to the projector.
USB
2 Turn on the power to the projector.
Set the LAN setting of the projector in advance.
3 Press the SOURCE button on the projector unit.
The Source list will be displayed.
In case of the remote control, press the NETWORK button.
The "network menu" screen will be displayed,proceed to step 5.
4 Press the SELECT ▼/▲ buttons to select [NETWORK], and then press the ENTER button.
The "network menu" screen will be displayed.
• The remaining operations can be performed using a USB mouse connected to the projector.
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8. User Supportware