Troubleshooting

Phenomena that may be easy to be mistaken for machine defects (continued)

 

 

Refer-

Phenomenon

Cases not involving a machine defect

ence

 

 

page

 

 

 

 

The brightness and/or contrast are adjusted to an

 

 

extremely low level.

24, 25,

 

Adjust BRIGHTNESS and/or CONTRAST settings to a high-

26

 

er level using the menu function.

 

Pictures appear

The WHISPER function is working.

25, 36

dark.

Select NORMAL for the WHISPER item in the SETUP

 

menu.

 

 

The lamp is approaching the end of its product life-

 

 

time.

56, 57

 

Replace the lamp.

 

 

Either the focus and/or horizontal phase settings are

 

 

not properly adjusted.

19, 30

Pictures appear

Adjust the focus using the focus ring, and/or H PHASE us-

 

blurry.

ing the menu function.

 

 

The lens is dirty or misty.

61

 

Clean the lens referring to the section “Caring for the lens”.

 

 

Pictures are

The exhaust ventilation holes at front is blocked by

 

some objects.

4

trembling.

Remove any objects from front side of the projector.

 

 

 

NOTE • Although bright spots or dark spots may appear on the screen, this is a unique characteristic of liquid crystal displays, and it does not constitute or imply a machine defect.

ViewSonic

PJ1158

104

Page 109
Image 109
ViewSonic PJ1158 Whisper function is working, Lamp is approaching the end of its product life Time, Not properly adjusted

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.