Ideum MT-50, Building Instructions

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MT-50 Multitouch Table DIY Building Instructions–Version 1.2 - 4/5/11 - Page 25
Press the menu button, press select on the Basic Picture option, and scroll
down to Keystone. Try starting at a keystone of about 54, and then adjust
the mirror from there.
Installing the Cameras
Three PT Grey Firefly MV (Firewire version) cameras are used in the MT-
50 to track the finger movements on the table surface. The cameras come
in a small plastic case with a mount assembly. Before mounting the
cameras, they need to be taken apart to install the band pass filter.
Remove the case of the cameras to reveal a small circuit board.