Vivitek DH976 Series User Manual page 15

Note:

To use this feature, you must plug in the connector before turn on/off the projector.

Screen controllers are supplied and supported by screen manufacturers.

Do not use this jack for anything other than intended use.
Note:
If your video equipment has both S-VIDEO and RCA jacks (composite video) connect to the
S-VIDEO connector. S-VIDEO provides a better quality signal.
Warning:
As a safety precaution, disconnect all power to the projector and connecting devices before making
connections.
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