1. مقدمه
This manual provides essential information for the safe and efficient use of your Sharp NEC 86-inch 4K UHD Professional Display, model 4P-B86EJ2U. This display is designed for commercial and professional applications, offering high-resolution visuals and reliable performance for extended operating hours. Please read this manual thoroughly before installation and operation, and retain it for future reference.

Image: The Sharp NEC 86-inch Professional Display, model 4P-B86EJ2U, is shown integrated into a commercial environment, displaying a vibrant advertisement for perfume. The display is mounted vertically within a white frame, highlighting its suitability for digital signage and promotional content in retail or public spaces.
2. اطلاعات ایمنی
Observe the following safety precautions to prevent damage to the display and ensure user safety:
- منبع تغذیه: Connect the display only to a grounded power outlet with the specified voltage (120V AC). Do not overload power strips or extension cords.
- تهویه: Ensure adequate ventilation around the display. Do not block ventilation openings or install the display in an enclosed space without proper airflow.
- رسیدگی: The display is heavy. Always use appropriate lifting techniques and sufficient personnel when moving or installing the unit.
- رطوبت: Keep the display away from water, rain, or excessive humidity. Do not operate with wet hands.
- تمیز کردن: قبل از تمیز کردن، برق را قطع کنید. از یک پارچه نرم و خشک استفاده کنید. از تماس مستقیم پاککنندههای مایع با صفحه نمایش خودداری کنید.
- سرویس دهی: Do not attempt to service the display yourself. Refer all servicing to qualified service personnel.
3. محتویات بسته
بررسی کنید که آیا همه اقلام در بسته موجود است یا خیر:
- Sharp NEC 86-inch 4K UHD Professional Display (Model 4P-B86EJ2U)
- پایه نمایشگر
- سیم برق
- کنترل از راه دور (با باتری)
- راهنمای دستورالعمل (این سند)
4. راه اندازی
4.1 باز کردن بسته بندی
- Place the display carton on a flat, stable surface.
- کارتن را با دقت باز کنید و هرگونه مواد بستهبندی را جدا کنید.
- With assistance, lift the display out of the carton. Avoid touching the screen directly.
4.2 نصب پایه
در صورت استفاده از پایه همراه دستگاه:
- Carefully place the display face down on a soft, clean surface to prevent screen damage.
- Attach the stand to the designated mounting points on the back of the display using the provided screws. Ensure all screws are tightened securely.
- With assistance, carefully place the display upright on a stable, level surface.
۴.۳ نصب دیواری (اختیاری)
The display supports VESA-compliant wall mounts. Refer to your wall mount's instructions for proper installation. Ensure the wall mount can support the display's weight (approximately 123 pounds).
4.4 اتصال دستگاه ها
- قدرت: Connect the power cord to the display's power input and then to a grounded 120V AC power outlet.
- ورودی ویدئو: Connect your video source (e.g., media player, computer) to the display using an HDMI cable. The display supports 4K resolution via HDMI.
- USB: For firmware updates or media playback (if supported by the display's internal player), connect a USB device to the USB port.
4.5 روشن شدن اولیه
- اطمینان حاصل کنید که همه اتصالات امن هستند.
- Press the power button on the display or the remote control.
- Follow any on-screen prompts for initial setup, such as language selection or input source.
5. دستورالعمل های عملیاتی
5.1 کنترل های اساسی
Use the remote control or the buttons on the display to navigate the menu and control functions:
- قدرت: نمایشگر را روشن یا خاموش می کند.
- ورودی/منبع: Selects the desired input source (HDMI 1, HDMI 2, USB, etc.).
- منو: به منوی تنظیمات اصلی دسترسی پیدا میکند.
- دکمه های ناوبری: برای جابجایی بین گزینههای منو استفاده میشود.
- Enter/OK: انتخاب ها را تایید می کند.
5.2 تنظیمات نمایش
Access the main menu to adjust various display parameters:
- حالت تصویر: Select from predefined picture settings (e.g., Standard, Dynamic, Custom).
- روشنایی: Adjust the overall luminance of the screen (rated at 380 cd/m2).
- کنتراست: Adjust the difference between the lightest and darkest areas of the image (rated at 1,200:1).
- رزولوشن: The display supports 4K Ultra-HD (3840 x 2160) resolution. Ensure your source device is configured to output at this resolution for optimal clarity.
- نسبت تصویر: Set the display aspect ratio to 16:9 or other available options to match your content.
5.3 Landscape Mode
The display is designed for operation in landscape orientation. Ensure physical installation matches this orientation for proper viewing.
5.4 Extended Operation (16/7)
This professional display is engineered for reliable operation up to 16 hours a day, 7 days a week, making it suitable for demanding commercial environments.
6. تعمیر و نگهداری
۶.۱ تمیز کردن صفحه نمایش
- Turn off the display and unplug the power cord.
- صفحه نمایش را به آرامی با یک پارچه نرم و بدون پرز پاک کنید. برای لکههای سرسخت، به آرامی ...ampen the cloth with water or a screen-specific cleaning solution (do not spray directly onto the screen).
- Allow the screen to dry completely before plugging in the power cord and turning on the display.
6.2 تمیز کردن کابینت
Wipe the display cabinet with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
6.3 به روز رسانی سیستم عامل
Periodically check the Sharp NEC support website for available firmware updates. Follow the instructions provided with the update package for installation via USB.
7 عیب یابی
اگر با نمایشگر خود با مشکل مواجه شدید، به مشکلات و راهحلهای رایج زیر مراجعه کنید:
| مشکل | علت احتمالی | راه حل |
|---|---|---|
| بدون قدرت | Power cord disconnected; Power outlet faulty; Display off | Check power cord connection; Test outlet with another device; Press power button on display/remote |
| No signal/No picture | Incorrect input source selected; Video cable loose/faulty; Source device off/faulty | Select correct input source; Check video cable connections; Ensure source device is on and working |
| Picture too dark/bright | تنظیمات روشنایی/کنتراست نادرست است | Adjust Brightness and Contrast settings in the OSD menu |
| کنترل از راه دور کار نمی کند | Batteries depleted; Obstruction between remote and display; Remote sensor blocked | Replace batteries; Remove obstructions; Ensure remote sensor is clear |
If the problem persists after attempting these solutions, please contact Sharp NEC customer support.
8. مشخصات
Key technical specifications for the Sharp NEC 86-inch 4K UHD Professional Display (Model 4P-B86EJ2U):
- شماره مدل: 4P-B86EJ2U
- اندازه صفحه نمایش: ۶۵ اینچ (۶۴.۵ اینچ قطری)
- فناوری نمایش: LED (نور پس زمینه LED مستقیم)
- رزولوشن: 4K Ultra-HD (3840 x 2160)
- نسبت تصویر: 16:9
- روشنایی: 380 سی دی در متر مربع
- نسبت کنتراست: 1,200:1
- نرخ تازه سازی: 60 هرتز
- ساعت کاری: ۱۶/۷ (۱۶ ساعت در روز، ۷ روز هفته)
- قابلیت اتصال: HDMI، USB
- ابعاد محصول (عمق x عرض x ارتفاع): 3.7" x 75.7" x 3.7" (Note: H dimension seems incorrect based on typical display measurements, likely refers to depth)
- وزن مورد: 123 پوند
- جلدtage: 120 ولت (AC)
- واتtage: 8 watts (Note: This wattage value is unusually low for a display of this size and resolution. Please refer to the product label for accurate power consumption.)
- ویژگی خاص: Flat Panel Design
9. گارانتی و پشتیبانی
Your Sharp NEC Professional Display is covered by a manufacturer's warranty. For detailed warranty terms and conditions, please refer to the warranty card included with your product or visit the official Sharp NEC website. For technical assistance, troubleshooting beyond this manual, or to inquire about service, please contact Sharp NEC customer support directly.
پشتیبانی آنلاین: www.sharpnecdisplays.us





