To project on the screen while simultaneously going elsewhere on your tablet, say entering grades or googling, simply go to the icon on the lower right, the tiny projector, and hit STOP SENDING. This keeps the original image on the projector while you are free to browse. Alternatively, use the FREEZE button on the lower left corner of the NEC projector's remote to do the same thing.
If the screen being projected freezes and the LCD does not respond to the Off button from the remote, if it was being used in wireless (LAN) mode, switch to Computer 1 and then power down the LCD.
In case another teacher's screen is appearing in your classroom, an easy way to find out whose it is, is to open ATTENDANT (you must close PRESENTER first) and check the list. You should see the culprit listed next to your room number.
And finally, when projecting multimedia files such as movies, do not use the LAN wireless mode. Rather, hardwire (attach your laptop to the wall plug using a monitor cable) and then hit Computer 1 on your remote to make the connection.
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