Canon REALiS WX450ST Pro AV User Manual - Page 127

Installation and Maintenance Installation Before Installation ■ Do Not Use in the Following Environments • Do not install the projector in a location that is damp, or where there is a lot of dust, oily smoke or tobacco smoke. Optical parts such as the lens and mirror may be stained, resulting in poor picture quality. • Do not install the projector near high-voltage electrical power lines or an electrical power source. The projector may not operate correctly. • Do not use the projector on a soft surface such as carpet or sponge mat, etc. Heat may accumulate inside the projector, causing a malfunction. • Do not use the projector in a location that is subject to very high temperatures, very low temperatures, or high levels of humidity. Doing so may cause a malfunction. The temperature and humidity ranges for operation and the temperature range for storage are shown below. Operating temperature Operating humidity Storage temperature 0°C (32°F) - 40°C (104°F) Up to 85% -10°C (14°F) - 60°C (140°F) ■ Do Not Touch the Lens with Bare Hands Do not touch the lens with bare hands. Doing so may adversely affect picture quality. ■ Allow a 30 Min. Warm Up before Focus Adjustment (P59), if Possible The focus position may not stabilize immediately after startup, due to lamp heat. When adjusting focus, it is also helpful to use the test pattern (10) (P291). ■ Install at a Sufficient Distance from Walls and Other Obstructions If the air intake or exhaust vent is blocked, heat will accumulate Air intake vent inside the projector, possibly resulting in a shortened projector lifetime or a malfunction. Do not install in a Warmed closet, on a bookshelf, or in airflow other narrow spaces with poor ventilation. Install in a well- Exhaust vent ventilated location. (Ensure a minimum clearance of 50 cm (1.6 ft.) above, on both sides, and behind the projector.) 50 cm (1.6') 50 cm (1.6') 50 cm 50 cm (1.6') (1.6') 127