1. Introduction
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. Consignes de sécurité
To ensure safe operation and prevent damage to the device, please observe the following safety precautions:
- Alimentation: Use only the specified power adapter and ensure the power outlet is properly grounded.
- Ventilation: Ne pas obstruer les ouvertures de ventilation. Veiller à laisser un espace suffisant autour de l'appareil pour une bonne circulation de l'air.
- 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.
- Nettoyage: Débranchez l'appareil avant de le nettoyer. Utilisez un chiffon doux et sec. N'utilisez pas de nettoyants liquides ni en aérosol.
- Manutention: Handle the display with care. Avoid strong impacts or pressure on the screen.
- Entretien: N'essayez pas de réparer le produit vous-même. Confiez tout entretien à un personnel de service qualifié.
3. Contenu du colis
Veuillez vérifier le contenu du colis à l'ouverture. Si des articles sont manquants ou endommagés, contactez immédiatement votre revendeur.
- MAXHUB E21 Series 86-inch Digital Board
- Câble d'alimentation
- Stylus Pen(s)
- Télécommande
- Wall Mount Bracket (optional, may vary by region/package)
- Manuel de l'utilisateur (ce document)
4. Installation
4.1 Installation physique
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 Connexion de l'alimentation
- Connect the power cable to the AC IN port on the digital board.
- Branchez l'autre extrémité du câble d'alimentation dans une prise électrique mise à la terre.
- Press the power button, usually located on the side or bottom of the display, to turn on the device.
4.3 Configuration initiale et connexion réseau
Upon first power-on, the system will guide you through the initial setup process, including language selection, time zone, and network configuration.
- Wifi: Sélectionnez votre réseau Wi-Fi dans la liste et saisissez le mot de passe.
- 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. Mode d'emploi
5.1 Navigation de base
The MAXHUB E21 Series runs on Android 13.0. Navigate the interface using touch gestures or the remote control.
- Robinet: Sélectionnez un élément ou ouvrez une application.
- Glisser: Scroll through menus or pages.
- Pincer/écarter : Effectuez un zoom avant ou arrière sur le contenu.
- Appui long: Accédez aux menus contextuels ou déplacez les icônes.
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 ou partage.
5.4 Connectivity (Type-C)
The Type-C port offers versatile connectivity for various peripherals.
- Transfert de données : Connect external storage devices.
- Affichage de sortie : Connect to external monitors (if supported by specific port).
- Livraison de puissance: Chargez les appareils compatibles.
- Audio Video: Connect compatible audio/video devices.

Figure 4: Type-C connectivity options.
6. Principales caractéristiques
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.
- Système d'exploitation avancé : Powered by Android 13.0 OS, combined with 8GB RAM and 64GB ROM, for fast, smooth operations, enhanced processing capabilities, and ample stockage.
- Powerful Audio System: Integrated dual 20W speakers provide rich, clear, and impactful sound, enhancing multimedia presentations and video conferencing.
- Durable et fiable : Engineered for long-lasting performance with a 50,000-hour backlight life, ensuring consistent brightness and reliability over time.
7. Entretien
7.1 Nettoyage de l'écran
To clean the screen, first power off the device and unplug the power cable. Use a soft, lint-free cloth slightly dampNettoyez l'écran à l'eau ou avec une solution nettoyante adaptée. Ne vaporisez pas de liquide directement sur l'écran.
7.2 Nettoyage général
Wipe the frame and back panel with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
7.3 Mises à jour logicielles
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. Dépannage
If you encounter issues with your MAXHUB Digital Board, refer to the following common problems and solutions:
| Problème | Cause possible | Solution |
|---|---|---|
| Pas de courant | Power cable not connected; Power outlet faulty; Device off | Ensure power cable is securely connected; Test power outlet; Press power button |
| Pas d'affichage | Device in standby mode; Input source incorrect | Wake up the device; Check input source settings |
| L'écran tactile ne répond pas | Screen dirty; Software glitch; Calibration issue | Clean the screen; Restart the device; Recalibrate touch (if option available) |
| Pas de son | Volume trop faible ; Mode muet ; Périphérique audio externe connecté | Increase volume; Unmute; Disconnect external audio or select internal speakers |
| Problèmes de connexion Wi-Fi | Mot de passe incorrect ; problème de routeur ; interférences de signal | Verify password; Restart router; Move closer to router or reduce interference |
If the problem persists, please contact MAXHUB customer support for assistance.
9. Spécifications
Detailed technical specifications for the MAXHUB E21 Series 86-inch Digital Board:
| Fonctionnalité | Spécification |
|---|---|
| Marque | MAXHUB |
| Numéro de modèle | Série E21 |
| Taille de l'écran | 86 pouces |
| Résolution | 3840x2160 (4K UHD) |
| Système opérateur | Android 13.0 |
| BÉLIER | 8 Go |
| Stockage (ROM) | 64 Go |
| Points de contact | Jusqu'à 40 |
| Sortie audio | 2 haut-parleurs de 20 W |
| Durée de vie du rétroéclairage | 50,000 heures |
| Entrée de l'interface humaine | Écran tactile |
| Couleur | Gris |
10. Garantie et assistance
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 webConsultez le site pour connaître les conditions générales de garantie détaillées.
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.