Casio XJ-A235 - Manual (Page 40)

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The projectors come with wireless adapters YW-3 (either built-in or supplied separately). You can
install and remove the wireless adapter as required.
Important!
 Keep the wireless adapter in a safe place when it is not installed on the projector.
 Never try to use the wireless adapter that comes with the projector with any other type of
device.
 Never try to connect any other type of device to the special YW-3 port located under the
wireless adapter cover of the projector. Doing so can result in malfunction and other trouble
with the projector and/or connected device.
To install the wireless adapter on the projector
1.
Turn off the projector and unplug its power cord from the power outlet.
2.
Loosen the two screws  that secure the wireless adapter cover, and then pull
the top of the cover towards you to remove it.
3.
Plug the wireless adapter into the special YW-3 port  inside the cover.
4.
Replace the cover and secure it with the two screws.
Installing and Removing the Wireless Adapter
*
Caution
Keep the wireless adapter that comes with the projector out of the reach of
small children. Accidental swallowing of the product can interfere with proper
breathing and create a life-threatening situation.
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