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The BX-AL133B lens system includes the UH480 Lens and ATH1 automated transport to provide the optimum performance when viewing all wide screen content. The ATH1 transport can be mounted to your ceiling, to an improvised ceiling structure, or to the pre-engineered AKPro Attachment Kit. However, due to the very simple Plug-and-Play procedure they offer, use of these kits will be the focus of this installation guide. UH480 BASIC PROJECTION PARAMETERS Throw Distance (distance from projector lens to