Hitachi HV-D27A, HV-D37A operation manual Auto Black ：BAR, Auto Black ：NG, White Balance Adjustment

Page 57

Error message

Procedure

AUTO BLACK：BAR

・ Turn off the color bar.

AUTO BLACK：NG

・ Close the lens iris.

 

・ Avoid taking an image of subject having high luminance such as the

 

sun, or decrease illumination on the microscope.

 

・ Carry out AUTO BLACK again. If this message appears in repeated

 

attempts, it is necessary to inspect the inside of the camera. In this

 

case, notify your local Hitachi Denshi sales agent or Hitachi Denshi

 

service office

White Balance Adjustment

Carry out white balance adjustment when the illumination condition (color temperature) is changed. Adjust the white balance when using the camera for the first time or after replacing the lens.

1.In the MENU mode, set up WHITE BAL: MEM.

2.Turn off the MENU screen to select the DIRECT mode.

3.Provide a proper aperture value of lens manually.

4.Put an white object in the subject image, and zoom it up.

5.Hold the AWB button pressed for about 2 seconds for automatic white balance adjustment. With MESSAGE RTN:ON, AUTO WHITE appears. At the end of successful adjustment AUTO WHITE:OK appears.

6.If white balance adjustment cannot be made, any of the following messages will appear. Take a proper procedure according to the error message, and then try white balance adjustment again.

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Contents CCD Color Camera Model HV-D27A / HV-D37A Accessories CleaningRead Instructions Retain InstructionsPower-Cord Protection Power SourcesGrounding or Polarization LightningReplacement Parts Damage Requiring ServiceSafety Check ServicingDie Anweisungen aufbewahren Alle Anweisungen lesenWarnungen beachten Anweisungen befolgenErdung oder Polarisierung StromversorgungNetzkabelschutz BlitzschlagEntflammbare und explosive Substanzen Eindringen von Fremdkörpern und FlüssigkeitStarke stöße oder Vibrationen WartungSicherheitsprüfung ErsatzteileAnbringung an der Wand oder an der Decke 24. WärmeLire les instructions AccessoiresConserver ces instructions Tenir compte des avertissementsMise á la terre ou polarisation Sources d’allmentationProtection du cordon d’alimentation Foudre21. Piéces de rechange 19. Réparations22. Vérificaton de sécurité Montage au mur ou au plafondChaleur Important Notice Table of contents Standard composition High quality picture Auto shading compensation ASCBi-directional data communication Operating considerations Power supply Important safety notesConnectors Installation and storage sitesCCD properties TransportationSmear and blooming Fixed pattern noiseName and function each section GL in connector Lens selection System examples Main Menu Structure Menu StructureSpecial Menu Structure Special SET Whitegate Main Menu CAM Mode Camera modeAuto MenuWhite BAL White balance mode DTL ：DTL level setupAGC AGC ON/OFF ALC is brought up ALCBlack Master black level setting PresetSUB Menu EXT Trigger Comb Filter SUB Menu Auto Shading Fast SlowPATTERN4 Special SET White Gate Level Masking Gamma DTL Page DTL SUB Ext trigger Mode MODE1, CCD Mode FLD Mode MODE1, CCD Mode FRM Mode MODE2, CCD Mode FRM Mode MODE2, CCD Mode FLDExternal Trigger Camera Sync OUTPUT/SYNC Page File set OFF Other FuncPage TOP 17. ID/TITLETitle ID/TITLE Setup ProcedureBlack Balance Adjustment How to Attain Better ImagesWhite Balance Adjustment Auto Black ：BARAuto Black ：NG Auto White ：NG Auto Shading Correction Realtime Auto WhiteALC AGC + Manual Iris + AESField store m ode Long-Time Store ModeFram e store m ode Menu controls Operation Direct controlSetting data store Extender RC-Z3 panel facilitiesExtender LED File selection Store operation notes Enable buttonGain Gain control Black and 13 B Black controlTALLY/CALL button Mode indicator LEDsShutter button Contrast buttonGain switch Iris switchWhite Balance mode select switch ・AUTOIris control DTL switch27 M. BLK control Menu screen compositionRear Function Selection by Internal Switch SettingConnector TCS-7547-01-401 Multi connectors DEB-9SRemote connector HR10A-7R-4S DC in connector R03-R3M2RXD/SD TXD/SD OUT GND VD/TRIG Trig connector HR10A-10R-12PBNTSC, PAL NtscPAL Signal to noise ratio Ntsc 62dB typ. Dnron Smpte PAL Full Input/Output Signals Page Dimensions 図面背 Ａ７３Ｄ－ＶＨ
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HV-D27A, HV-D37A specifications

The Hitachi HV-D27A and HV-D37A are advanced digital projectors designed to meet the demands of modern presentations and home entertainment applications. These models are widely recognized for their high-quality performance, user-friendly features, and robust build, making them ideal choices for both professional environments and home theaters.

One of the main features of the HV-D27A and HV-D37A is their exceptional brightness, with a light output that exceeds 3000 ANSI lumens. This high brightness level enables clear visibility even in well-lit rooms, ensuring that presentations and media are projected with vivid colors and sharp details. The projectors also utilize a high contrast ratio, typically around 2500:1, which enhances image quality by providing deeper blacks and brighter whites. This contrast capability ensures that users can display detailed images and videos effectively, contributing to a better overall viewing experience.

Both models leverage Hitachi's advanced DLP (Digital Light Processing) technology, which promotes reliable performance and minimal maintenance. DLP projectors are known for their ability to deliver stunning images with minimal pixelation, providing a smooth and seamless viewing experience. The incorporation of Texas Instruments' DLP chips further ensures a high level of image clarity and color accuracy.

In terms of connectivity, the Hitachi HV-D27A and HV-D37A are equipped with a variety of input options, including HDMI, VGA, and composite video, allowing seamless integration with various devices such as laptops, gaming consoles, and DVD players. This versatility makes these projectors suitable for diverse settings, from classrooms and boardrooms to living rooms and entertainment spaces.

Another notable feature is their compact design, making them easy to transport and set up. The lightweight construction of these projectors also means that they can be mounted on ceilings or placed on tables with ease, optimizing space and enhancing convenience.

The projectors also come with a range of intelligent features, including automatic keystone correction, which helps to optimize image alignment based on the projector's angle. This feature ensures that users do not need to fiddle with the settings manually, allowing for a quick and hassle-free setup.

In summary, the Hitachi HV-D27A and HV-D37A digital projectors are equipped with impressive brightness, contrast ratios, and advanced DLP technology, making them excellent choices for high-quality presentations and immersive home entertainment experiences. Their extensive connectivity options, intelligent features, and user-friendly design further enhance their appeal, solidifying them as dependable tools in any visual display scenario.
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