1. Isingeniso
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. Ulwazi Lokuphepha
Observe the following safety precautions to prevent damage to the display and ensure user safety:
- Ukunikezwa kwamandla kagesi: Connect the display only to a grounded power outlet with the specified voltage (120V AC). Do not overload power strips or extension cords.
- Ukungenisa umoya: Ensure adequate ventilation around the display. Do not block ventilation openings or install the display in an enclosed space without proper airflow.
- Ukuphatha: The display is heavy. Always use appropriate lifting techniques and sufficient personnel when moving or installing the unit.
- Umswakama: Keep the display away from water, rain, or excessive humidity. Do not operate with wet hands.
- Ukuhlanza: Disconnect power before cleaning. Use a soft, dry cloth. Avoid liquid cleaners directly on the screen.
- Ukusevisa: Do not attempt to service the display yourself. Refer all servicing to qualified service personnel.
3. Okuqukethwe Kwephakheji
Qinisekisa ukuthi zonke izinto zikhona kuphakheji:
- Sharp NEC 86-inch 4K UHD Professional Display (Model 4P-B86EJ2U)
- Bonisa Isitendi
- Intambo Yamandla
- Isilawuli kude (namabhethri)
- Incwadi Yokufundisa (le dokhumenti)
4. Setha
4.1 Ukuqaqa
- Place the display carton on a flat, stable surface.
- Carefully open the carton and remove any packing materials.
- With assistance, lift the display out of the carton. Avoid touching the screen directly.
4.2 Ukufakwa kwesitendi
Uma usebenzisa isitendi esifakiwe:
- 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.
4.3 Ukukhweza Udonga (Ongakukhetha)
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 Ukuxhumanisa Amadivayisi
- Amandla: Connect the power cord to the display's power input and then to a grounded 120V AC power outlet.
- Ukungena kwevidiyo: Connect your video source (e.g., media player, computer) to the display using an HDMI cable. The display supports 4K resolution via HDMI.
- I-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 Ukuvula Amandla Okuqala
- Qinisekisa ukuthi konke ukuxhumana kuvikelekile.
- 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. Iziqondiso Zokusebenza
5.1 Izilawuli Eziyisisekelo
Use the remote control or the buttons on the display to navigate the menu and control functions:
- Amandla: Icisha noma icime isibonisi.
- Okokufaka/Umthombo: Selects the desired input source (HDMI 1, HDMI 2, USB, etc.).
- Imenyu: Accesses the main settings menu.
- Izinkinobho Zokuzulazula: Kusetshenziswa ukuhambisa izinketho zemenyu.
- Faka/KULUNGILE: Iqinisekisa okukhethiwe.
5.2 Izilungiselelo zokubonisa
Access the main menu to adjust various display parameters:
- Imodi Yesithombe: Select from predefined picture settings (e.g., Standard, Dynamic, Custom).
- Ukukhanya: Adjust the overall luminance of the screen (rated at 380 cd/m2).
- Qhathanisa: Adjust the difference between the lightest and darkest areas of the image (rated at 1,200:1).
- Isixazululo: The display supports 4K Ultra-HD (3840 x 2160) resolution. Ensure your source device is configured to output at this resolution for optimal clarity.
- I-Aspect ratio: 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. Isondlo
6.1 Ukuhlanza isikrini
- Turn off the display and unplug the power cord.
- Sula kahle isikrini ngendwangu ethambile, engenantambo. Ukuze uthole amamaki anenkani, kancane dampen 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 Ukuhlanza iKhabhinethi
Wipe the display cabinet with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
6.3 Ukuvuselelwa kweFirmware
Periodically check the Sharp NEC support website for available firmware updates. Follow the instructions provided with the update package for installation via USB.
7. Ukuxazulula izinkinga
Uma uhlangabezana nezinkinga ngesibonisi sakho, bheka izinkinga nezixazululo ezilandelayo ezivamile:
| Inkinga | Imbangela Engenzeka | Isixazululo |
|---|---|---|
| Awekho amandla | 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 | Ukukhanya/Ukugqama izilungiselelo azilungile | Adjust Brightness and Contrast settings in the OSD menu |
| Isilawuli kude asisebenzi | 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. Imininingwane
Key technical specifications for the Sharp NEC 86-inch 4K UHD Professional Display (Model 4P-B86EJ2U):
- Inombolo Yemodeli: 4P-B86EJ2U
- Usayizi Wesikrini: Amayintshi angu-86 (85.6" Ovundlile)
- Ubuchwepheshe Bokubonisa: LED (Direct LED Backlighting)
- Isixazululo: 4K Ultra-HD (3840 x 2160)
- I-Aspect ratio: 16:9
- Ukukhanya: 380 cd/m²
- Isilinganiso sokuqhathanisa: 1,200:1
- Isilinganiso Sokuvuselela: 60 Hz
- Amahora Okusebenza: 16/7 (16 hours per day, 7 days a week)
- Ukuxhumana: I-HDMI, i-USB
- Ubukhulu bomkhiqizo (D x W x H): 3.7" x 75.7" x 3.7" (Note: H dimension seems incorrect based on typical display measurements, likely refers to depth)
- Isisindo Sento: 123 Amakhilogremu
- Voltage: 120 Volts (AC)
- Wattage: Ama-watts angu-8 (Qaphela: Leli watttage value is unusually low for a display of this size and resolution. Please refer to the product label for accurate power consumption.)
- Isici esikhethekile: Flat Panel Design
9. Iwaranti kanye Nokusekela
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.
Ukusekelwa Kwe-inthanethi: www.sharpnecdisplays.us





