Optoma HD8600 User's Manual - Page 56

Appendices Ceiling Mount Installation 1. To prevent damage to your projector, please use the Optoma ceiling mount. 2. If you wish to use a third party ceiling mount kit, please ensure the screws used to attached a mount to the projector met the following specifications: Noottee Please note that damage resulting from incorrect installation will invalidate the warranty.  Screw type: M4  Maximum screw length: 11mm  Minimum screw length: 9mm 430.97 ( 1.697" ) 260.00 ( 1.024" ) 240.00 ( 0.945" ) 130.00 ( 0.512" ) 20.00 ( 0.079" ) 85.49 ( 0.337" ) 88.00 ( 0.346" ) 165.00 ( 0.650" ) 26.50 ( 0.104" ) 354.41( 1.395" ) Warning: 1. If you buy ceiling mount from other company, please be sure to use the correct screw size. Screw size will be different on different mounts. It depends on the plate thickness. 2. B e sure to keep at least 10cm gap between the ceiling and the bottom of the projector. 3. Avoid installing the projector near a heat source. 68.50 100.00 ( 0.270" ) ( 0.394" ) 141.50( 0.557" ) 160.50( 0.632" ) 141.50 ( 0.557" ) 160.50( 0.632" ) 56