2.
3.

Maintenance

Air filter

Please check and clean the air filter periodically. If the air filter becomes clogged by dust or the like, internal temperatures rise, which could cause a fire, a burn or malfunction to the projector. When the indicators or a message prompts you to clean the air filter, comply with it as soon as possible. Note that the projector may shut down, when the projector heats too much.

Please replace the air filter when it is damaged or too soiled. Preparation of a new air filter is recommended. To prepare a new air filter, contact with your dealer and tell the air filter type number.

Cleaning the air filter

1. Turn the projector off, and unplug the power cord. Allow the projector to suffi-

ciently cool down.

Use a vacuum cleaner on and around the filter cover.

Hold the filter cover knobs while lifting it. The filter unit made up the filter cover and

others will come off.

4. Use a vacuum cleaner for the filter vent of the projector and the filter frame side of

the filter unit.

If the air filter is damaged or too soiled, re- place it according to the following procedure number 5 to 7. Otherwise, please jump to the procedure number 8.

5. To remove the filter frame, hold the filter cover while holding and pulling the filter

frame’s knob by another hand.

6. Replace the air filter with new one. It is recommended that the fluted surface of

the air filter faces the filter cover. 7. Put the filter frame back.

8. Put the filter unit back into the projector.

The front side of the projector

The filter cover

The filter cover knobs

The filter unit

The filter frame knob

The filter frame

The air filter

The fluted surface of the air filter

The filter cover

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ViewSonic

PJ1158

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ViewSonic PJ1158 manual Air filter, Cleaning the air filter

PJ1158 specifications

The ViewSonic PJ1158 is a versatile and powerful projector designed to meet the demands of both business and educational environments. Known for its impressive performance and user-friendly features, the PJ1158 stands out as a reliable tool for presentations, lectures, and multimedia presentations.

One of the main features of the PJ1158 is its high brightness capability. With a brightness level of up to 4,000 ANSI lumens, this projector ensures clear and vibrant images even in well-lit rooms. This is crucial for environments where ambient light cannot be completely controlled, making the PJ1158 an excellent choice for conference rooms, classrooms, and auditoriums.

The resolution of the ViewSonic PJ1158 is another highlight, as it supports native XGA (1024x768) resolution. This level of clarity allows for detailed images and text, ensuring that audiences can easily read and comprehend the information presented. Additionally, the PJ1158 supports various resolutions, including up to 1080p, making it compatible with a wide range of video sources and formats.

In terms of connectivity, the PJ1158 offers a comprehensive selection of ports to accommodate various devices. It includes HDMI, VGA, and composite inputs, making it versatile for connecting laptops, DVD players, and other multimedia devices. The inclusion of USB ports also allows for easy plug-and-play functionality, enabling users to present directly from USB drives with minimal setup time.

The PJ1158 utilizes advanced DLP technology, which enhances image quality by providing sharpness, saturation, and contrast. The DLP chip ensures that images are smooth and free from the pixelation that can occur with other projector types. Furthermore, the PJ1158 is equipped with a long-lasting lamp life of up to 15,000 hours, significantly reducing maintenance costs and downtime.

For ease of use, the PJ1158 features a remote control and an intuitive interface, allowing users to navigate menus quickly and adjust settings effortlessly. The integrated 10-watt speaker provides adequate sound output for smaller venues, eliminating the need for external audio systems in many cases.

Overall, the ViewSonic PJ1158 excels in providing a combination of high brightness, resolution, versatile connectivity, and robust build quality. These features make it a solid choice for professionals and educators looking for an efficient and dependable projector for their presentations.