1. Introduzione
Welcome to the MAXHUB E21 Series 86-inch Digital Board user manual. This document provides essential information for the safe and efficient operation of your new interactive display. The MAXHUB E21 Series is designed to enhance collaboration, presentations, and interactive learning environments with its advanced features and intuitive interface. Please read this manual thoroughly before using the product and retain it for future reference.

Figure 1: MAXHUB E21 Series 86-inch Digital Board in a classroom environment.
2. Informazioni di sicurezza
To ensure safe operation and prevent damage to the device, please observe the following safety precautions:
- Alimentazione elettrica: Use only the specified power adapter and ensure the power outlet is properly grounded.
- Ventilazione: Do not block ventilation openings. Ensure adequate space around the device for proper airflow.
- Placement: Install the digital board on a stable surface or mount it securely to a wall using appropriate hardware. Avoid placing it in direct sunlight, near heat sources, or in areas with high humidity or dust.
- Pulizia: Scollegate l'alimentazione prima di pulisce. Aduprate un pannu dolce è asciuttu. Ùn aduprate micca detergenti liquidi o aerosol.
- Trattamentu: Handle the display with care. Avoid strong impacts or pressure on the screen.
- Service : Ùn pruvate micca di serve u pruduttu stessu. Riferite tutte l'assistenza à u persunale di serviziu qualificatu.
3. Cuntenutu di u pacchettu
Please check the package contents upon unboxing. If any items are missing or damaged, contact your dealer immediately.
- MAXHUB E21 Series 86-inch Digital Board
- Cavu di putenza
- Stylus Pen(s)
- Control remoto
- Wall Mount Bracket (optional, may vary by region/package)
- Manuale d'uso (stu documentu)
4. Setup
4.1 Installazione fisica
The MAXHUB Digital Board can be installed on a mobile stand or wall-mounted. Follow the instructions provided with your specific stand or wall mount kit. Ensure the installation is secure and level.
4.2 Cunnessu Power
- Connect the power cable to the AC IN port on the digital board.
- Inserite l'altra estremità di u cavu di alimentazione in una presa elettrica cun messa à terra.
- Press the power button, usually located on the side or bottom of the display, to turn on the device.
4.3 Configurazione iniziale è cunnessione di rete
Upon first power-on, the system will guide you through the initial setup process, including language selection, time zone, and network configuration.
- Wi-Fi: Selezziunate a vostra rete Wi-Fi da a lista è inserite a password.
- Ethernet: Connect an Ethernet cable to the LAN port for a wired network connection.

Figure 2: Main interface of the MAXHUB E21 Series Digital Board.
5. Operating Instructions
5.1 Navigazione basica
The MAXHUB E21 Series runs on Android 13.0. Navigate the interface using touch gestures or the remote control.
- Tap: Selezziunate un articulu o aprite una applicazione.
- Swipe: Scroll through menus or pages.
- Pinch / Spread: Zoom avanti o indietro nantu à u cuntenutu.
- Pressa Longa: Accede à i menu cuntestuali o move l'icone.
5.2 Intelligent Touch Functionality
The digital board supports up to 40 touch points, allowing multiple users to interact simultaneously.
- Use your finger or the provided stylus for precise interaction.
- The system can differentiate between finger touch and stylus input for various functions (e.g., writing vs. erasing).

Figure 3: Stylus interaction on the digital board.
5.3 Using the Whiteboard Application
Access the built-in whiteboard application for interactive writing, drawing, and annotation.
- Select different pen colors, thicknesses, and tools from the toolbar.
- Use multi-touch gestures for zooming and panning the canvas.
- Save your whiteboard sessions for later review o spartera.
5.4 Connectivity (Type-C)
The Type-C port offers versatile connectivity for various peripherals.
- Trasferimentu di dati: Connect external storage devices.
- Display Output: Connect to external monitors (if supported by specific port).
- Fornitura di energia: Charge compatible devices.
- Audio / Video: Connect compatible audio/video devices.

Figure 4: Type-C connectivity options.
6. Funzioni chjave
The MAXHUB E21 Series 86-inch Digital Board is equipped with advanced features for superior performance and user experience:
- Expansive Ultra-HD Display: An 86-inch screen with 3840x2160 (4K) resolution delivers stunning visuals and vibrant colors, ideal for large meeting spaces and classrooms.
- Eyes Care Technology: Features TÜV-certified Low Blue Light and Flicker-Free technology to ensure a comfortable viewing experience during extended use, reducing eye strain.
- Precision Touch Features: Intelligent touchscreen technology supports up to 40 simultaneous touch points, enabling seamless multi-user collaboration and precise interaction.
- Sistema Operativu Avanzatu: Powered by Android 13.0 OS, combined with 8GB RAM and 64GB ROM, for fast, smooth operations, enhanced processing capabilities, and ampu almacenamentu.
- Powerful Audio System: Integrated dual 20W speakers provide rich, clear, and impactful sound, enhancing multimedia presentations and video conferencing.
- Durable è affidabile: Engineered for long-lasting performance with a 50,000-hour backlight life, ensuring consistent brightness and reliability over time.
7. Mantenimentu
7.1 Pulizia di u schermu
To clean the screen, first power off the device and unplug the power cable. Use a soft, lint-free cloth slightly dampened with water or a screen-specific cleaning solution. Do not spray liquid directly onto the screen.
7.2 Pulizia generale
Wipe the frame and back panel with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
7.3 Actualizazioni di u Software
Periodically check for system software updates through the device's settings menu to ensure optimal performance and access to the latest features and security patches.
8. Risoluzione di prublemi
If you encounter issues with your MAXHUB Digital Board, refer to the following common problems and solutions:
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| Nisun putere | Power cable not connected; Power outlet faulty; Device off | Ensure power cable is securely connected; Test power outlet; Press power button |
| Nisun display | Device in standby mode; Input source incorrect | Wake up the device; Check input source settings |
| U touchscreen ùn risponde micca | Screen dirty; Software glitch; Calibration issue | Clean the screen; Restart the device; Recalibrate touch (if option available) |
| Nisun sonu | Volume too low; Muted; External audio device connected | Increase volume; Unmute; Disconnect external audio or select internal speakers |
| Problemi di cunnessione Wi-Fi | Password sbagliata; Prublema di router; Interferenza di signale | Verify password; Restart router; Move closer to router or reduce interference |
If the problem persists, please contact MAXHUB customer support for assistance.
9. Specificazioni
Detailed technical specifications for the MAXHUB E21 Series 86-inch Digital Board:
| Feature | Specificazione |
|---|---|
| Marca | MAXHUB |
| Numero di mudellu | Serie E21 |
| Size Screen | 86 inch |
| Risoluzione | 3840x2160 (4K UHD) |
| Sistema upirativu | Android 13.0 |
| RAM | 8 GB |
| Storage (ROM) | 64 GB |
| Touch Points | Finu à 40 |
| Output audio | 2 x 20W altoparlanti |
| Vita di retroilluminazione | 50,000 ore |
| Input di l'interfaccia umana | Touchscreen |
| Culore | Grisgiu |
10. Garanzia è Support
Your MAXHUB E21 Series Digital Board comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package or visit the official MAXHUB websitu per i termini è e cundizioni di garanzia dettagliate.
For technical support, service, or inquiries, please contact MAXHUB customer service through their official channels. Have your product model and serial number ready when contacting support.





