Hitachi CP-X251 Brightness is adjusted to an extremely low level, Freeze function is working

Page 59

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

Image 59
Contents Trademark acknowledgment About this manualThank you for purchasing this projector Remote control ContentAbout this manual Content Projector features Setting upAbout contents of package Fastening the lens cover Lamp and vents of the projector. Ì It could cause a burn Part namesProjector CR/PR ComponentVideo ports CB/PBMagnify Remote controlControl buttons Cursor buttons ŸźŻŹ STANDBY/ON buttonWKHDLU¿OWHU Setting upInch m Min Max Down ArrangementElevator feet Elevator button Adjusting the projectors elevatorSecurity Bar Anti-theft chain or wire sold separately Using the Security BarHow to attach About Plug-and-Play capability Connecting your devicesAudio Connecting to a monitor outputExamples of connection with a computer RGB out Audio out RS-232C USB CR/PRScart Examples of connection with a VCR/DVD playerAudio R out Audio L out Audio cableAC inlet Connector Power cord Connecting power supplyPutting batteries Remote controlChanging the signal setting for the projectors remote sensor Using the remote controlSTANDBY/ON Power on/offTurning on the power Turning off the powerTemporarily muting the sound Adjusting the volumeSelecting an input signal OperatingSelecting an aspect ratio Searching an input signalAdjusting the zoom and focus Selecting an input signal€ For a component video signal Using the automatic adjustment featureAdjusting the position € For a video signal or s-video signalCorrecting the keystone distortions Using the magnify featureTemporarily blanking the screen Freezing the screenPress page Down button Available function Remote control operationOperating the computer screen USB mouse and keyboard controlAdvanced Menu Multifunctional settingsUsing the menu function Easy MenuEasy Menu Easy Menu Gamma #5 Custom Ù #5 Default Ù #4 Custom Ù #4 Default Ù #3 CustomPicture Menu 8VLQJWKHEXWWRQVŸźVZLWFKHVWKH*$00$PRGHColor Temp Picture MenuMY Memory LOAD1 Ù LOAD2 Ù LOAD3 Ù LOAD4SAVE4 ÙSAVE3 Ù SAVE2 Ù SAVE1 Position PhaseImage Menu Over ScanImage Menu For a video signal or s-video signalAuto Adjust For a component video signalVideo NR Input MenuProgressive RGB Input MenuVideo Format Frame LockSUHVVWKHŹEXWWRQ ResolutionNormal Ù Whisper Setup MenuWhen the zoom adjustment is set to the Tele telephoto focus Keystone ExecuteAudio Setup MenuVolume Mirror Normal Ù Hinvert Ù Vinvert Ù+ 9,1957Blank Screen MenuMyScreen Lock Screen MenuStart UP MyScreenMessage No Input is DetectedSync is OUT of Range Auto on Option MenuAuto Search MY Button Option MenuAuto OFF Lamp TimeHigh Ù Normal ServiceEnable Ù Disable Information Remote Freq1NORMAL Ù 2HIGH Security Using Security FeaturesInputting the Password Changing the PasswordSetting the Password Using the MyScreen Password FunctionDescription If you have forgotten your Password Turning on the MyScreen PasswordRegistering the PIN Code Using the PIN Lock FunctionTurning the Password off If you have forgotten your PIN Code Turning Off the PIN Lock FunctionTurning On the Transition Detector Function Using the Transition Detector FunctionSetting the Transition Detector Password Setting the Transition Detector off Lamp MaintenanceTo lock it in place Case of replacement by yourselfLamp Type number = DT00757Handle Filter cover Type number = NJ22222Mark Option menu$LU¿OWHU Caring for the lens Caring for the cabinet and remote controlOther care Inside of the projectorSource specs TroubleshootingHorizontal or vertical frequency of the input signal Related messagesOff Regarding the indicator lampsPower Lamp Temp IndicatorRegarding the indicator lamps Phenomenon Cases not involving a machine defect Freeze function is working Brightness is adjusted to an extremely low levelUsing the menu function Adjust Brightness and/or Contrast settings to aHigher level using the menu function Pictures appear Dark Select Normal for the Whisper item in the Setup Menu6SHFL¿FDWLRQ Warranty and after-service6SHFL¿FDWLRQV FRQWLQXHG
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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.