Canon REALiS LCOS 4K500ST User Manual - Page 19

Before Installation Before Installation ■ 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 (P67), 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) (P107, P168). ■ Install at a Sufficient Distance from Walls and Other Obstructions If the air intake or exhaust vent Air intake vent is blocked, heat will accumulate inside the projector, possibly resulting in a shortened projector lifetime or a malfunction. Do not install in a closet, on a bookshelf, or in other narrow spaces with poor Exhaust vent ventilation. Install in a well- ventilated location. (Ensure a minimum clearance of 50 cm (1.6 ft.) above, on both sides, and behind the projector, as shown below.) 50 cm (1.6') 50 cm (1.6') 50 cm 50 cm (1.6') (1.6') ■ Be Careful of Condensation If the temperature of the room rises suddenly, moisture in the air may condense on the projector lens and mirror, causing the image to become blurred. Wait until the condensation has evaporated for the image projected to return to normal. ■ At Altitudes above 2,300 m (7,545.8'), Adjust the Settings Projector settings must be adjusted when using the projector at altitudes of 2,300 m (7,545.8') or higher. Specifically, refer to instructions for [High altitude] (P102) in the [Install settings] menu. 19