1. ບົດແນະນຳ
This manual provides essential information for the proper installation, operation, and maintenance of your Da-Lite 28273T 87-inch Projection Screen and Dry Erase White Board. This product is designed for dual functionality, serving as both a high-quality projection surface and a versatile dry erase whiteboard. Please read this manual thoroughly before use to ensure safe and optimal performance.
2. ຂໍ້ມູນຄວາມປອດໄພ
ຄໍາແນະນໍາຄວາມປອດໄພທີ່ສໍາຄັນ:
- Due to its weight (approximately 55 pounds) and dimensions, this product requires careful handling and installation. Always use appropriate lifting techniques and seek assistance when moving or mounting the screen.
- Ensure the mounting surface is structurally sound and capable of supporting the screen's weight. Use appropriate fasteners for your wall type. Consult a qualified professional for installation if you are unsure.
- ເກັບມ້ຽນວັດສະດຸຫຸ້ມຫໍ່ທັງ ໝົດ ໃຫ້ຫ່າງຈາກເດັກນ້ອຍ.
- Do not attempt to modify or disassemble the product. Unauthorized modifications may void the warranty and pose safety risks.
- Use only dry erase markers specifically designed for whiteboards. Avoid permanent markers or abrasive cleaning agents.
3. ເນື້ອໃນຊຸດ
ກວດສອບວ່າອົງປະກອບທັງໝົດມີຢູ່ ແລະບໍ່ມີຄວາມເສຍຫາຍກ່ອນທີ່ຈະດໍາເນີນການຕິດຕັ້ງ.
- Da-Lite 28273T 87-inch Projection Screen and Dry Erase White Board
- Mounting Hardware (screws, anchors, brackets - specific types may vary based on model revision)
- ແມ່ແບບການຕິດຕັ້ງ (ຖ້າລວມ)
If any items are missing or damaged, contact Da-Lite customer support immediately.
4. ການຕິດຕັ້ງແລະການຕິດຕັ້ງ
The Da-Lite 28273T screen is designed for wall mounting. Due to its size and weight, a minimum of two people are recommended for installation. Professional installation is advised to ensure proper and secure mounting.
4.1 ການເລືອກສະຖານທີ່
- Select a wall that is structurally sound and free from obstructions.
- ພິຈາລະນາ viewing angle for projection and accessibility for dry erase use.
- Avoid direct sunlight or strong ambient light sources that could affect projection quality.
4.2 ຄໍາແນະນໍາການຕິດຕັ້ງ
- ການວັດແທກແລະເຄື່ອງຫມາຍ: Carefully measure the desired height and center point for the screen on the wall. Use a level to ensure the mounting points will be perfectly horizontal. If an installation template is provided, use it.
- Drill Pilot Holes: Based on your measurements and the type of mounting hardware provided, drill appropriate pilot holes into the wall. Ensure you are drilling into wall studs or using suitable wall anchors for drywall.
- ຄັດຕິດຕົວຍຶດຕິດ: Securely fasten the mounting brackets to the wall using the provided screws and anchors. Double-check that the brackets are firmly attached and level.
- ຍົກ ແລະ ແຂວນ: With assistance, carefully lift the screen and align its mounting points with the installed wall brackets. Gently lower the screen onto the brackets, ensuring it is securely seated.
- ກວດສອບຄັ້ງສຸດທ້າຍ: Verify that the screen is level, stable, and securely mounted to the wall.
Figure 4.1: The Da-Lite 28273T 87-inch Projection Screen and Dry Erase White Board, showcasing its large, clean surface suitable for both projection and writing.
5. ຄໍາແນະນໍາການດໍາເນີນງານ
5.1 Using as a Projection Screen
The Da-Lite 28273T features a matte screen surface, designed to reduce glare and provide clear image projection.
- ການຈັດວາງໂປຣເຈັກເຕີ: Position your projector to align the image with the screen's 87-inch diagonal display area (46"W x 73.5"H, 16:10 aspect ratio). Adjust the projector's keystone correction and focus for optimal image quality.
- ສະພາບແສງ: For best projection results, minimize ambient light in the room. The matte surface helps, but excessive light can still wash out the image.
5.2 Using as a Dry Erase Whiteboard
The screen surface also functions as a dry erase whiteboard.
- ເຄື່ອງໝາຍ: Use only high-quality dry erase markers. Avoid permanent markers, as they will stain the surface.
- Erasing: Use a dedicated dry erase board eraser or a soft, clean cloth to remove markings. Erase promptly after use to prevent ghosting.
Figure 5.1: Detail of the Da-Lite 28273T screen surface, illustrating its dual-purpose design.
6. ການບໍາລຸງຮັກສາແລະການດູແລ
Proper maintenance will extend the life and performance of your Da-Lite screen.
- ການເຮັດຄວາມສະອາດໜ້າໜ້າຈໍ:
- For dry erase marks, use a clean, soft dry erase eraser.
- For stubborn marks or general cleaning, lightly dampen a soft, lint-free cloth with water or a mild, non-abrasive whiteboard cleaner. Wipe gently and dry immediately with another clean, dry cloth.
- Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the screen surface.
- ທໍາຄວາມສະອາດກອບ: ເຊັດກອບດ້ວຍຜ້າອ່ອນ, ງamp cloth. Avoid getting moisture into any internal components.
- ການກວດກາ: Periodically inspect the mounting hardware to ensure it remains secure.
7. ການແກ້ໄຂບັນຫາ
ພາກສ່ວນນີ້ແກ້ໄຂບັນຫາທົ່ວໄປທີ່ທ່ານອາດຈະພົບ.
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| Image appears dim or washed out during projection. | Excessive ambient light; projector settings. | Reduce room lighting. Adjust projector brightness, contrast, and keystone settings. |
| Marks are difficult to erase from the whiteboard surface. | Used permanent marker; old dry erase marks; dirty eraser. | Ensure only dry erase markers are used. Erase marks promptly. Clean or replace the eraser. Use a specialized whiteboard cleaner for stubborn marks. |
| Screen appears uneven or wobbly after installation. | Improper installation; loose mounting hardware. | Re-check mounting hardware for tightness. Ensure wall anchors are properly seated. If necessary, re-install with professional assistance. |
8. ຂໍ້ມູນຈໍາເພາະ
Key specifications for the Da-Lite 28273T Projection Screen and Dry Erase White Board:
| ຄຸນສົມບັດ | ລາຍລະອຽດ |
|---|---|
| ໝາຍເລກຕົວແບບ | 28273 ທ |
| ຂະໜາດໜ້າຈໍ (ເສັ້ນຂວາງ) | 87 ນິ້ວ |
| ຂະໜາດສິນຄ້າ (W x H) | 73.5 inches x 46 inches (active display area) |
| ອັດຕາສ່ວນ | 16:10 |
| ຫນ້າຈໍ | Matte (reduces glare) |
| ການທໍາງານ | Projection Screen & Dry Erase Whiteboard |
| ປະເພດການຕິດຕັ້ງ | Wall Mount, Board Mount |
| ນ້ໍາຫນັກລາຍການ | 55 ປອນ (ປະມານ) |
| ຜູ້ຜະລິດ | Da-Lite |
9. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
Da-Lite products are manufactured to high standards and are backed by a limited warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Da-Lite webເວັບໄຊ.
ການຊ່ວຍເຫຼືອລູກຄ້າ:
If you have any questions, require technical assistance, or need to report a problem with your Da-Lite 28273T screen, please contact Da-Lite customer support.
- Webເວັບໄຊ: www.legrandav.com/products/da-lite (Official Da-Lite product page, part of Legrand AV)
- ໂທລະສັບ: Refer to the Da-Lite webເວັບໄຊສຳລັບເບີໂທຕິດຕໍ່ປັດຈຸບັນ.
Please have your model number (28273T) and purchase information ready when contacting support.
