Troubleshooting

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

Phenomenon

Cases not involving a machine defect

Reference

page

 

 

 

The signal cables are not correctly connected.

12,13

 

Correctly connect the audio cables.

 

 

 

The MUTE function is working.

18

 

Restore the sound pressing the MUTE or VOLUME button

Sound does not

on the remote control.

 

come out.

The volume is adjusted to an extremely low level.

18

 

Adjust the volume to a higher level using the menu function

 

or the remote control.

 

 

The AUDIO setting is not correct.

36

 

Correctly set the AUDIO item in the SETUP menu.

 

 

 

The lens cap is attached.

17

 

Remove the lens cover.

 

 

 

The signal cables are not correctly connected.

12, 13

 

Correctly connect the connection cables.

 

 

 

The brightness is adjusted to an extremely low level.

25

No pictures are

Adjust BRIGHTNESS to a higher level using the menu

displayed.

function or the remote control.

 

The computer cannot detect the projector as a plug

 

 

 

 

and play monitor.

11

 

Make sure that the computer can detect a plug and play

 

 

 

monitor using another plug and play monitor.

 

 

 

 

 

The BLANK screen is displayed.

22

 

Press the BLANK button on the remote control.

 

 

Video screen

The FREEZE function is working.

22

display freezes.

Press the FREEZE button to restore the screen to normal.

 

 

 

 

 

Color settings are not correctly adjusted.

26, 28,

Colors have a

Perform picture adjustments by changing the COLOR

faded- out

TEMP, COLOR, TINT and/or COLOR SPACE settings,

32

appearance, or

using the menu functions.

 

Color tone is

COLOR SPACE setting is not suitable.

 

poor.

Change the COLOR SPACE setting to AUTO, RGB,

32

 

SMPTE240, REC709 or REC601.

 

59

Page 59
Image 59
Hitachi CP-X251 user manual Brightness is adjusted to an extremely low level, Freeze function is working

CP-X251 specifications

The Hitachi CP-X251 is a versatile and reliable projector that is well-suited for educational and business environments. This model excels in delivering clear and vibrant images that enhance presentations, lectures, and meetings. With its robust features and advanced technologies, the CP-X251 stands out as an excellent choice for those seeking a dependable projection solution.

One of the main features of the Hitachi CP-X251 is its exceptional brightness. With a brightness rating of 2500 lumens, the projector is capable of producing clear images even in well-lit environments. This makes it ideal for classrooms and conference rooms where ambient light can be a challenge. The high brightness level is complemented by a high contrast ratio of 2000:1, ensuring that colors are vivid and details are sharp, thereby allowing for a more engaging visual experience.

The CP-X251 utilizes 3LCD technology, which is renowned for its ability to deliver accurate colors and enhanced image quality. This technology enables the projector to produce consistent and bright images across a wide range of color spectrums. It effectively reduces the chances of color saturation, ensuring that presenters can rely on the projector to accurately convey their visual messages.

Additionally, the Hitachi CP-X251 is designed with versatility in mind. It supports a variety of input options including HDMI, VGA, and S-Video, allowing users to connect multiple devices easily. This connectivity is crucial for modern presentations that often incorporate laptops, tablets, and other multimedia sources. Furthermore, the projector has a LAN port for network connectivity, facilitating remote management and monitoring, which is particularly advantageous for IT administrators in a corporate or educational setting.

The projector's lightweight design and compact dimensions make it highly portable, allowing for easy transport between different locations. This is especially valuable for educators and professionals who may need to carry their projector to various venues. The CP-X251 also features a long lamp life of up to 5000 hours in eco mode, reducing maintenance costs and the need for frequent lamp replacements.

In summary, the Hitachi CP-X251 combines advanced projection technologies, impressive brightness, and versatile connectivity features, making it an excellent choice for both educational and professional use. Its reliable performance, portability, and economical operation further solidify its position as a leading projector in its class.