Optoma TW766W User Manual page 96

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 Media Sender:
When you select Media Sender function, MobiShow client will
automatically open Explorer for you to select a media file. Select a file
(videos in mpeg or wmv9 format, or MP3 music files) to play. The file will
be streamed to MobiShow device. It may take a few seconds to buffer
before the playback begins, depending on the wireless signal and media
bit rate.
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