We have a BenqW7500 projector hanging upside down, high up in our ceiling.
User manual (in Swedish) click the link to download: W7500_W7000+
An HDMI connection can be accessed in the controlbooth – if you disconnect our Apple iMac which is normally connected.
A VGA connection can be accessed from the stage-floor. It’s hidden below the sound stagebox upstage right.