JVC DLA-NZ8 Operation Manual - Page 20
Set up, Installing the Projector, Precautions during Installation
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Installing the Projector Set up Precautions during Installation Please read the following carefully before installing this unit. When carrying this unit This unit is heavy in weight. Please ensure that there are at least two persons carrying it. This unit weighs more than 20 kg. Using the unit Please refrain from projecting in the following circumstances. Otherwise, it may cause fire or malfunction. 0 Projection with the unit stood vertically Do not install at the following This unit is a precision device. Please refrain from installing or using it at the following locations. Otherwise, it may cause fire or malfunction. 0 Dusty, wet and humid places 0 Places subject to oily smoke or cigarette smoke 0 On top of a carpet or bedding, or other soft surfaces 0 Places exposed to direct sunlight 0 Places with a high or low temperature 0 Do not install this unit in a room that is oily or subject to cigarette smoke. Even a small quantity of smoke or oiliness can have a long-term impact on this unit. * This unit produces a great amount of heat, and is designed to take in cool air to cool its optical components. Using the unit at the above locations may cause dirt to attach to the light path, thereby resulting in dark images or dull colors. * Dirt that sticks to the optical components cannot be removed. Maintain clearance from the wall, etc. As the unit discharges a large amount of heat, install it with adequate clearance from the surroundings as shown below. 150 mm (6 in) and above 0 Projection with the unit inclined at an angle Angle to horizontal plane: within ±10° 10° 10° Vertical inclination: within ± 10 ° 10° 10° 10° 10° 0 Malfunction may occur if the angle is not set within the above-mentioned range. Installing the screen Install the unit and the screen such that they are perpendicular to each other. Screen 300 mm (12 in) and above 150 mm (6 in) and above Front 300 mm (12 in) and above 200 mm (8 in) and above Leave the front area of the unit unblocked. If there is any obstructing object in front of the exhaust vent, hot air will flow back to the unit and cause it to heat up. Hot air flowing out of the unit may cast shadows on the screen (heat haze phenomenon). Front 0 Please choose a screen material with non-uniform patterns. Uniform patterns such as checks may cause interference patterns to occur. 0 In this case, you can change the size of the screen to make the interference patterns less noticeable. Using the projector at a high altitude When using this unit at a location that is higher than 900 m (3,000 ft) above sea level (low air pressure), set the "High Altitude Mode" to "On". (P. 81) 20