MAINTENANCE (continued)

Air Filters

Cleaning Air Filters

This projector uses 2 air filters. These air filters should be cleaned as described below at intervals of approximately 100 hours.

1.Switch the projector power supply OFF, and remove the power cord from the power outlet.

2.Remove the filter cover and the air filter.

3.Clean the air filter with a vacuum cleaner.

4.Set the air filter and the filter cover.

Replacing the Air Filter

filter cover

filters

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Replace the air filter if contamination cannot be removed, or if it is damaged.

1.Switch the projector power supply OFF, and remove the power cord from the power outlet.

2.Remove the filter cover and the old filter.

3.Set the new filter and the filter cover.

CAUTION • Switch power OFF and remove the power cord from the power outlet before beginning maintenance work. Please read the separate “SAFETY

INSTRUCTIONS” thoroughly to ensure that maintenance is performed correctly.

Replace the air filter if contamination cannot be removed, or if it is damaged. Contact your dealer in such case. For the optional air filter, see the item “Optional Parts” of the Table 12.

Do not use the equipment with the air filter removed.

When the air filter is clogged with dust etc. the power supply is switched OFF automatically to prevent the temperature rising inside the projector.

Other Maintenance

Maintenance Inside the Equipment

For safety reasons, ensure that the equipment is cleaned and checked by the dealer once every two years. Maintaining the equipment by yourself is dangerous.

Cleaning the Lens

Gently wipe the lens with lens cleaning paper. Do not touch the lens with your hands.

Cleaning the Cabinet and Remote control transmitter

Gently wipe with a soft cloth. If dirt and stains etc. are not easily removed, use a soft cloth dampened with water, or water and a neutral detergent, and wipe dry with a soft, dry cloth.

CAUTION • Switch power OFF and remove the power cord from the power outlet before beginning maintenance work. Please read the separate “SAFETY

INSTRUCTIONS” thoroughly to ensure that maintenance is performed correctly.

Do not use detergents or chemicals other than those noted above (e.g. benzene or thinners).

Do not use cleaning sprays.

Do not rub with hard materials, or tap the equipment.

NOTE When this projector is brought into a warm room from a cold outdoor, condensation can take place on the projection lens and mirror inside, blurring the screen and reducing your eyesight, but do not worry. The condensation will disappear and the screen will return to a normal condition no sooner than the projector acclimates to the surrounding temperature.

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Hitachi CP-X990W user manual Air Filters, Other Maintenance

CP-X990W specifications

The Hitachi CP-X990W is a versatile and robust multimedia projector designed to meet the needs of various environments, including classrooms, conference rooms, and large auditoriums. This model stands out with its high brightness and resolution, making it ideal for presentations that require clear and vibrant visuals.

One of the key features of the Hitachi CP-X990W is its impressive brightness rating of 5000 ANSI lumens. This high level of brightness ensures that images remain clear and visible even in well-lit environments, eliminating the need for dim lighting during presentations. The WXGA resolution of 1280 x 800 pixels provides a great level of detail, allowing users to showcase intricate graphics and text without sacrificing quality.

The projector's advanced DLP technology offers excellent color accuracy and contrast, ensuring that images appear vibrant and engaging. With a contrast ratio of 5000:1, the CP-X990W delivers deep blacks and bright whites, enhancing the overall viewing experience. This makes it suitable for displaying multimedia content such as videos, images, and detailed presentations.

Connectivity is another strong point of the Hitachi CP-X990W. It comes equipped with a wide range of input options, including HDMI, VGA, USB, and composite video, allowing users to connect various devices such as laptops, Blu-ray players, and document cameras without hassle. Additionally, its integrated speakers provide decent sound quality for small to medium-sized presentations, eliminating the need for external audio equipment.

Another notable characteristic of the CP-X990W is its long lamp life, which can last up to 5000 hours in normal mode and 7000 hours in eco mode. This extended lifespan reduces maintenance costs and the frequency of replacement, making it an economical choice for institutions and businesses.

The projector is also designed with portability in mind. Weighing approximately 3.5 kilograms, it features a compact form factor that allows for easy transport between different locations. Its user-friendly interface and simple setup procedures make it suitable for users of all technical backgrounds.

In summary, the Hitachi CP-X990W is an exceptional multimedia projector that combines high brightness, excellent resolution, and versatile connectivity options. Its advanced technologies and user-friendly features make it a reliable choice for a variety of presentation environments. Whether for educational purposes or corporate use, the CP-X990W stands out as a valuable tool for effective communication and engagement.