Hitachi CP-X251 user manual Type number = NJ22222, Handle Filter cover

Page 52

Maintenance

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WARNING ŹBefore caring, make sure the power switch is off and the SRZHUFDEOHLVQRWSOXJJHGLQWKHQDOORZWKHSURMHFWRUWRFRROVXI¿FLHQWO\7KH care in a high temperature state of the projector could cause an electric shock, a burn and/or malfunction to the projector. Ź8VHRQO\WKHDLU¿OWHURIWKHVSHFL¿HGW\SH'RQRWXVHWKHSURMHFWRUZLWKWKH DLU¿OWHUDQGWKH¿OWHUFRYHUUHPRYHG,WFRXOGUHVXOWLQD¿UHDQGRUPDOIXQFWLRQ to the projector. Ź7KHDLU¿OWHUVKRXOGEHFOHDQHGSHULRGLFDOO\,IWKHDLU¿OWHUEHFRPHVFORJJHG E\GXVWRUWKHOLNHLQWHUQDOWHPSHUDWXUHVULVHDQGFRXOGFDXVHD¿UHDEXUQ and/or malfunction to the projector.

NOTE‡3OHDVHUHSODFHWKHDLU¿OWHUZKHQLWLVGDPDJHGRUWRRVRLOHGDQG also when you replace the lamp. ‡3OHDVHUHVHWWKH¿OWHUWLPHRQO\ZKHQ\RXKDYHFOHDQHGRUUHSODFHGWKHDLU ¿OWHUIRUDVXLWDEOHLQGLFDWLRQDERXWWKHDLU¿OWHU (41)

The projector may display the message such as “CHECK THE AIR FLOW” or turn off the projector, to prevent the internal heat level rising.

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FRXOGFDXVHD¿UHDEXUQDQGRUPDOIXQFWLRQWRWKHSURMHFWRU:KHQWKHLQGLFDWRUV or a message prompts you to clean the air filter, clean the air filter as soon as possible.

Please check and clean the air filter periodically, even if there is no message. 3OHDVHUHSODFHWKHDLU¿OWHUZKHQLWLVGDPDJHGRUWRRVRLOHG3UHSDUDWLRQRIDQHZ DLU¿OWHULVUHFRPPHQGHG 7RSUHSDUHDQHZDLU¿OWHUFRQWDFW\RXUGHDOHUDQGWHOOWKHDLU¿OWHUW\SHQXPEHU

Type number = NJ22222

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1. Turn the projector off, and unplug the power cord. Allow the lamp to cool for at

least 45 minutes.

2. When the projector is suspended from the ceiling, apply the vacuum cleaner to

DQGDURXQGWKH¿OWHUFRYHU¿UVWWRSUHYHQW penetration of dust or the like.

3. While supporting the projector with one KDQGXVH\RXURWKHUKDQGWRSXOOWKH¿OWHU

cover forward in the direction of the arrow. 5HPRYHWKHDLU¿OWHU

Handle

Filter cover

52

Image 52
Contents Thank you for purchasing this projector About this manualTrademark acknowledgment Content About this manual Content Projector featuresSetting up Remote controlAbout contents of package Fastening the lens cover Projector Part namesLamp and vents of the projector. Ì It could cause a burn Component Video portsCB/PB CR/PRRemote control Control buttonsCursor buttons ŸźŻŹ STANDBY/ON button MagnifySetting up WKHDLU¿OWHUArrangement Inch m Min Max DownAdjusting the projectors elevator Elevator feet Elevator buttonHow to attach Using the Security BarSecurity Bar Anti-theft chain or wire sold separately Connecting your devices About Plug-and-Play capabilityConnecting to a monitor output Examples of connection with a computerRGB out Audio out RS-232C USB CR/PR AudioExamples of connection with a VCR/DVD player Audio R outAudio L out Audio cable ScartConnecting power supply AC inlet Connector Power cordRemote control Putting batteriesUsing the remote control Changing the signal setting for the projectors remote sensorPower on/off Turning on the powerTurning off the power STANDBY/ONAdjusting the volume Selecting an input signalOperating Temporarily muting the soundSearching an input signal Adjusting the zoom and focusSelecting an input signal Selecting an aspect ratioUsing the automatic adjustment feature Adjusting the position€ For a video signal or s-video signal € For a component video signalUsing the magnify feature Correcting the keystone distortionsFreezing the screen Temporarily blanking the screenAvailable function Remote control operation Operating the computer screenUSB mouse and keyboard control Press page Down buttonMultifunctional settings Using the menu functionEasy Menu Advanced MenuEasy Menu Easy Menu #5 Custom Ù #5 Default Ù #4 Custom Ù #4 Default Ù #3 Custom Picture Menu8VLQJWKHEXWWRQVŸźVZLWFKHVWKH*$00$PRGH GammaPicture Menu Color TempSAVE4 ÙSAVE3 Ù SAVE2 Ù SAVE1 LOAD1 Ù LOAD2 Ù LOAD3 Ù LOAD4MY Memory Phase Image MenuOver Scan PositionFor a video signal or s-video signal Auto AdjustFor a component video signal Image MenuProgressive Input MenuVideo NR Input Menu Video FormatFrame Lock RGBResolution SUHVVWKHŹEXWWRQSetup Menu When the zoom adjustment is set to the Tele telephoto focusKeystone Execute Normal Ù WhisperSetup Menu VolumeMirror Normal Ù Hinvert Ù Vinvert Ù+ 9,1957 AudioScreen Menu BlankScreen Menu Start UPMyScreen MyScreen LockSync is OUT of Range No Input is DetectedMessage Auto Search Option MenuAuto on Option Menu Auto OFFLamp Time MY ButtonEnable Ù Disable ServiceHigh Ù Normal 1NORMAL Ù 2HIGH Remote FreqInformation Using Security Features Inputting the PasswordChanging the Password SecurityUsing the MyScreen Password Function Description If you have forgotten your PasswordTurning on the MyScreen Password Setting the PasswordTurning the Password off Using the PIN Lock FunctionRegistering the PIN Code Turning Off the PIN Lock Function If you have forgotten your PIN CodeSetting the Transition Detector Password Using the Transition Detector FunctionTurning On the Transition Detector Function Setting the Transition Detector off Maintenance LampCase of replacement by yourself LampType number = DT00757 To lock it in placeType number = NJ22222 Handle Filter cover$LU¿OWHU Option menuMark Caring for the cabinet and remote control Other careInside of the projector Caring for the lensTroubleshooting Horizontal or vertical frequency of the input signalRelated messages Source specsRegarding the indicator lamps Power Lamp TempIndicator OffRegarding the indicator lamps Phenomenon Cases not involving a machine defect Brightness is adjusted to an extremely low level Freeze function is workingAdjust Brightness and/or Contrast settings to a Higher level using the menu function Pictures appearDark Select Normal for the Whisper item in the Setup Menu Using the menu functionWarranty and after-service 6SHFL¿FDWLRQ6SHFL¿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.