provoquer un feu ou un choc électrique. Ne jamais renverser de liquide daucune sorte sur lappareil.

17. Substances inflammabes et explosives Eviter dutiliser lappareil en présence de gaz, ainsi qu’á proximité immédiate de substances inflammables et explosives.

18. Chocs ou vibrations violents

Lorsquon transporte lappareil, ne pas le soumettre á des chocs ou des vibrations violents.

19. Réparations

Ne pas tenter de réparer laapareil soi-même car le fait douvrir ou de retirer les caches risque dexposer lutilisateur á des tensions dangereuses notamment. Confier toute réparation á un personnel qualifié.

20. Dommages nécessitant réparations Débrancher lappareil de la source dalimentation et confier les réparations á un personnel qualifié dans les cas suivants:

a. Lorsque le cordon dalimentation ou sa fiche sont endommagés

b. Si du liquide sest renversé sur lappareil ou que des objets sont tombés dedans

c. Si lappareil a été exposé á la pluie ou á leau.

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d. Si lappareil ne fonctionne pas normalement lorsquon observe les instructions dutilisation. Ne régler que les commandes couvertes par le mode demploi ; en effet, un réglage incorrect des autres commandes pourrait entrainer des dommages et nécessiteront souvent des travaux de réparation coûteux par un technicien qualifié pour remettre lappareil en état de marche.

e. Si lappareil est tombé ou quil a été endommagé.

f.Si lappareil affiche une nette modification de ses performances, cela signifie quil a besoin d’être réparé.

21.Piéces de rechange

Si lon a besoin de piéces de rechange, veiller á ce que le technicien de réparation utilise exclusivement les piéces de rechange spécifiées par le fabricant ou des piéces ayant les mêmes caractéristiques que les piéces dorigine. Les piéces de rechange non autorisées risquent de provoquer un feu, un choc électrique et autres dangers.

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Hitachi HV-D27A, HV-D37A operation manual 19. Réparations, 21. Piéces de rechange

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.