1. ভূমিকা
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.
৩.১. বাক্সে কী আছে
- HD28HDR Projector
- এসি পাওয়ার কর্ড
- রিমোট কন্ট্রোল
- রিমোট জন্য ব্যাটারি
- দ্রুত শুরু নির্দেশিকা
3. পণ্য শেষview
ছবি 1: সামনে 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.
ছবি 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.
ছবি 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.
ছবি 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.
ছবি 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.
ছবি 6: একটি ঘনিষ্ঠ আপ 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.
ছবি 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.
ছবি 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.
ছবি 9: একটি বিস্তারিত চিত্র দেখানো হয়েছেasing 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. সেটআপ
4.1 বসানো
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 সংযোগ
Connect your devices to the projector using the available ports:
- এইচডিএমআই এক্সএনএমএক্স: 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): বাহ্যিক অডিও সিস্টেম সংযোগের জন্য।
4.3 পাওয়ার অন/অফ
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. অপারেটিং নির্দেশাবলী
5.1 মৌলিক নিয়ন্ত্রণ
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
- জুম: Use the zoom switch to adjust the screen size without physically moving the projector.
- ফোকাস: Rotate the focus ring around the lens to sharpen the image for crystal-clear detail.
- গতিশীল কালো: This technology provides more depth to the image by smoothing lamp output to create high contrast, making bright scenes clear and dark scenes detailed.
৪.৪ ছবি মোড
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.
৪.৪ গেমিং মোড
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. রক্ষণাবেক্ষণ
6.1 এলamp জীবন
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. সমস্যা সমাধান
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. স্পেসিফিকেশন
| বৈশিষ্ট্য | বিস্তারিত |
|---|---|
| ব্র্যান্ড | অপটোমা |
| মডেল নম্বর | HD28HDR |
| ডিসপ্লে রেজোলিউশন | 1920 x 1080 (1080p) |
| উজ্জ্বলতা | 3600 লুমেনস |
| সংযোগ প্রযুক্তি | HDMI |
| আইটেম ওজন | 8.54 পাউন্ড |
| পণ্যের মাত্রা | 9.5 x 12.4 x 4.3 ইঞ্চি |
| বিশেষ বৈশিষ্ট্য | বহনযোগ্য |
| প্রস্তাবিত ব্যবহার | গেমিং |
| নয়েজ লেভেল | 26dB |
| অপারেটিং তাপমাত্রা | 41–104°F (5–40°C), সর্বোচ্চ 85% আর্দ্রতা |
| Lamp জীবন | Up to 15,000 hours (Dynamic mode) |
9. ওয়্যারেন্টি এবং সমর্থন
For warranty information and customer support, please refer to the documentation included with your product or visit the official Optoma webসাইট। বর্ধিত কভারেজের জন্য সুরক্ষা পরিকল্পনাও উপলব্ধ থাকতে পারে।
৮. অফিসিয়াল পণ্য ভিডিও
Optoma Home Projection Technology
ভিডিওর বর্ণনা: 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
ভিডিওর বর্ণনা: 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.
