Epson 7850p - PowerLite XGA LCD Projector Product Support Bulletin page 10

Notes
The Check Tool checks for communication conflict and whether it
can actually stop the utilities when both utilities--EMP Quick
Wireless Connection V1.00 and EMP NS Connection-- are both
installed on the users PC.
4. Checks wireless LAN switching
• Checks whether wireless LAN adapter is turned ON.
• Checks whether EMP Quick Wireless Connection
and EMP NS Connection's Quick Connection mode
can set the SSID on the user's PC when trying to
connect to a projector using EMP Quick Wireless
Connection and EMP NS Connection's Quick
Connection Mode.
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PSB.2009.01.006