6.
7.
1.
2.

Maintenance

Maintenance

Lamp

A lamp has finite product life. Using the lamp for long periods of time could cause the pictures darker or the color tone poor. Note that each lamp has a different lifetime, and some may burst or burn out soon after you start using them. Preparation of a new lamp and early replacement are recommended. To prepare a new lamp, contact your dealer and tell the lamp type number.

Type number = RLC-021

Replacing the lamp

Turn the projector off, and unplug the power cord. Allow the projector to cool for at least 45 minutes.

Prepare a new lamp.

If the projector is mounted on a ceiling, or if the lamp has broken, also ask the dealer to replace the lamp.

In case of replacement by yourself,

3. Loosen the screw (marked by arrow) of the lamp cover and then slide the lamp cover to the side to remove it.

4. Loosen the 3 screws (marked by arrow) of the lamp, and slowly pick up the lamp by the handles.

5. Insert the new lamp, and retighten firmly the 3 screws of the lamp that are loosened in the previ-

ous process to lock it in place.

Slide the lamp cover back in place and firmly fas- ten the screw of the lamp cover.

The lamp cover

The handles

Turn the projector on and reset the lamp time us- ing the LAMP TIME item in the OPTION menu.

(1) Press the MENU button to display a menu.

(2) Point at the “Go to Advanced Menu …” in the menu using the ▼/▲ button, then press the ► button.

(3) Point at the “OPTION” in the left column of the menu using the ▼/▲button, then press the ► but- ton.

(4)Point at the “LAMP TIME” using the ▼/▲ button, then press the ► button. A dialog will appear.

(5)Press the ▲ button to select “RESET” on the dialog. It performs resetting the lamp time.

NOTE • Please reset the lamp time only when you have replaced the lamp, for a suitable indication about the lamp.

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PJ1158

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ViewSonic PJ1158 manual Maintenance, Lamp, Type number = RLC-021 Replacing the lamp, Case of replacement by yourself

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.