1. Introducció
The Optoma HD28HDR is a high-performance 1080p home theater and gaming projector designed to deliver immersive visual experiences. With 3,600 lumens of brightness, 4K UHD and HDR video source support, and a 120Hz refresh rate with 8.4ms response time, it is optimized for both movies and fast-paced gaming. This manual provides essential information for setting up, operating, and maintaining your projector.
2. Què hi ha a la caixa
- HD28HDR Projector
- Cable d'alimentació CA
- Control remot
- Bateries per a control remot
- Guia d'inici ràpid
3. Producte acabatview

Imatge 1: Davant view of the Optoma HD28HDR projector, highlighting its key features like HDR compatibility, 1080p resolution, and Full 3D support. This image showcases the sleek design and the lens of the projector.

Imatge 2: The Optoma HD28HDR projecting a vibrant, detailed image onto a large screen in a modern living room. This illustrates the projector's capability to deliver sharp, detailed graphics with Full HD 1080p resolution and a 50,000:1 contrast ratio.

Imatge 3: A side-by-side comparison demonstrating the enhanced visual quality of 4K and 1080p HDR10-Compatible content. The image on the right shows deeper black levels, brighter whites, and greater color depth, showcasing the projector's HDR capabilities.

Imatge 4: A gaming scene projected by the Optoma HD28HDR, highlighting the 'Ideal for Gaming' feature. The image emphasizes the 8.4ms response time with Enhanced Gaming Mode and how Game Display Mode boosts shadows and dark scenes for better visibility.

Imatge 5: A visual comparison illustrating the 'More Image Depth' feature using Dynamic Black technology. The image on the right shows higher contrast, with clear bright scenes and detailed dark scenes, enhancing overall picture quality.

Imatge 6: Un primer pla view of the Optoma HD28HDR projector's lens, highlighting its 'Long Lamp Life' feature. The text indicates up to 15,000 hours of lamp life, providing many years of use.

Imatge 7: The Optoma HD28HDR projecting a vibrant image in a brightly lit room, demonstrating its 'Super-Bright' capability. The image shows that 3,600 lumens of brightness allow for clear viewing in various home environments.

Imatge 8: A diagram detailing the standard throw projection distances for the Optoma HD28HDR. It shows the approximate distances required to project 100-inch and 120-inch images, suitable for ceiling-mounted or shelf placement.

Imatge 9: Un diagrama detallat mostraasing the dimensions and connectivity ports of the Optoma HD28HDR. It labels HDMI V1.4 A, HDMI 2.0, USB-A, and Audio Out (stereo, 3.5mm jack) ports, along with the projector's physical measurements.
4. Configuració
4.1 Col·locació
The Optoma HD28HDR supports standard throw projection, allowing flexibility in placement. For a 100-inch image, position the projector approximately 11 feet away from the screen. For a 120-inch image, a distance of about 13 feet is recommended. The projector can project an image up to 302 inches. It is suitable for both ceiling mounting and placement on a shelf or table.
4.2 Connectivitat
Connect your devices to the projector using the available ports:
- HDMI 2.0: For 4K UHD and HDR video sources, ensuring optimal image detail and color clarity.
- HDMI 1.4 A: For standard high-definition content.
- USB Power Out (5V=1.5A): Ideal for powering streaming dongles like Amazon Fire TV, Google Chromecast, or Apple TV.
- Audio Out (stereo, 3.5mm jack): Per connectar sistemes d'àudio externs.
4.3 Encès/Apagat
The projector can be controlled via the top panel buttons or the included remote control. HDMI-CEC technology allows for control of the projector and connected devices using a single remote through the HDMI connection.
5. Instruccions de funcionament
5.1 Controls bàsics
The projector features intuitive control buttons on the top panel for essential functions. The lightweight and ergonomic remote control provides full access to all projector features, including picture modes, brightness settings, and input selection.5.2 Image Adjustment
- Zoom: Use the zoom switch to adjust the screen size without physically moving the projector.
- Focus: Rotate the focus ring around the lens to sharpen the image for crystal-clear detail.
- Negre dinàmic: This technology provides more depth to the image by smoothing lamp output to create high contrast, making bright scenes clear and dark scenes detailed.
5.3 Modes d'imatge
The 6-segment color wheel (RYGCWB) produces accurate color with sRGB & REC.709 color profiles. HDR10 technology enhances the viewing experience with brighter whites and deeper black levels.
5.4 Mode de joc
For an optimal gaming experience, utilize the Enhanced Gaming Mode which delivers a lightning-fast response time of 8.4ms with a 120Hz refresh rate. The Game Display Mode boosts shadows and dark scenes for greater visibility of impending obstacles.
5.5 3D Content
The HD28HDR displays true 3D content from almost any 3D source, including 3D Blu-ray Disc players, 3D broadcasting, and the latest-generation game consoles. Support for a 120Hz rapid-refresh rate provides ultra-smooth, flicker-free images. (3D glasses are required and sold separately).
6. Manteniment
6.1 Lamp La vida
The projector offers a long lamp life of up to 15,000 hours when using Dynamic mode, providing many years of use with minimal maintenance.
7. Solució De Problemes
If you encounter any issues, please refer to the quick start guide included in the box. Ensure all cables are securely connected and the correct input source is selected. For further assistance, contact Optoma customer support.
8. Especificacions
| Característica | Detall |
|---|---|
| Marca | Optoma |
| Número de model | HD28HDR |
| Resolució de visualització | 1920 x 1080 (1080p) |
| Brillantor | 3600 lúmens |
| Tecnologia de connectivitat | HDMI |
| Pes de l'article | 8.54 lliures |
| Dimensions del producte | 9.5 x 12.4 x 4.3 polzades |
| Característica especial | Portàtil |
| Usos recomanats | Jocs |
| Nivell de soroll | 26 dB |
| Temperatura de funcionament | 41–104 °F (5–40 °C), 85% d'humitat màxima |
| Lamp La vida | Up to 15,000 hours (Dynamic mode) |
9. Garantia i assistència
For warranty information and customer support, please refer to the documentation included with your product or visit the official Optoma weblloc. També poden estar disponibles plans de protecció per a una cobertura ampliada.
10. Vídeos oficials de productes
Optoma Home Projection Technology
Descripció del vídeo: This video from OPTOMA TECHNOLOGY showcases the advanced home projection technology, highlighting features that enhance the viewing experience for various content types. It provides an overview of how Optoma projectors integrate into a home entertainment setup.
Optoma Award-Winning Projectors
Descripció del vídeo: This video from OPTOMA TECHNOLOGY features their range of award-winning projectors, emphasizing their quality and performance. It briefly touches upon the benefits and recognition received by Optoma products in the projection industry.





