Optoma EP1690 User Manual - Page 41

Appendices Ceiling Mount Installation Please note that damage resulting from incorrect installation will invalidate the warranty. 1. To prevent damaging your projector, please use the ceiling mount package for installation. 2. If you wish to use a third party ceiling mount kit, please ensure the screws used to attached a mount to the projector meet the following specifications:  Screw type: M3  Maximum screw length: 10mm  Minimum screw length: 7.5mm 79.50 1.00 82.00 47.00 124.29 246.2 Warning: 1. If you buy the ceiling mount from another manufacturer, please ensure that there is at least 10cm distance between the bottom cover of the projector and the ceiling. 2. Avoid placing the projector near sources of heat such as air-conditioning units and heaters otherwise it may overheat and shut down automatically. 347.3 67.08 15.6 Max. / Min. 204.50/ 254.50 53.33 94.7 41 English