PNI VP850 Manuel Utilisateur page 13

For each playback source you have additional image and sound settings:
iOS Cast
Note: The projector must be connected to the Internet before using Apple Airplay
for the first time.
In Home interface, select iOS Cast.
The iOS device and the projector must be connected to the same router
or connect the iOS device to the network generated by the projector (AP
mode).
Open your iOS device and select the option Screen Mirroring.
Then select the name of your projector.
13 User manual