NEC 4001-20B User Manual - Page 38
Fahrenheit 5 degrees Celsius and 104 degrees Fahrenheit 40 degrees
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Page 38 highlights
2. Installation and Connections CAUTION Ceiling installation must be done by a qualified professional. Contact your NEC dealer for more information. It is not recommended you install the projector yourself. Only use the projector on a solid, level surface. Serious injury and damage can occur if the projector falls to the ground. Do not use the projector in an environment where extreme temperature occurs. The projector must be used at temperatures between 41 degrees Fahrenheit (5 degrees Celsius) and 104 degrees Fahrenheit (40 degrees Celsius). Screen damage will occur if the projector is exposed to moisture, dust or smoke. Do not cover the vents on the projector. Proper ventilation is required to dissipate heat. Damage to the projector will occur if the vents are covered. 26
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