1. Einleitung
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. Sicherheitshinweise
Um einen sicheren Betrieb zu gewährleisten und Schäden am Gerät zu vermeiden, beachten Sie bitte die folgenden Sicherheitsvorkehrungen:
- Stromversorgung: Use only the specified power adapter and ensure the power outlet is properly grounded.
- Belüftung: Die Lüftungsöffnungen dürfen nicht blockiert werden. Sorgen Sie für ausreichend Platz um das Gerät herum, um eine ordnungsgemäße Luftzirkulation zu gewährleisten.
- Platzierung: 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.
- Reinigung: Vor der Reinigung die Stromzufuhr unterbrechen. Ein weiches, trockenes Tuch verwenden. Keine flüssigen oder Aerosolreiniger verwenden.
- Handhabung: Handle the display with care. Avoid strong impacts or pressure on the screen.
- Wartung: Versuchen Sie nicht, das Produkt selbst zu warten. Überlassen Sie alle Wartungsarbeiten qualifiziertem Servicepersonal.
3. Packungsinhalt
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
- Stromkabel
- Stylus Pen(s)
- Fernbedienung
- Wall Mount Bracket (optional, may vary by region/package)
- Benutzerhandbuch (dieses Dokument)
4. Einrichtung
4.1 Physische Installation
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 Stromversorgung anschließen
- Connect the power cable to the AC IN port on the digital board.
- Stecken Sie das andere Ende des Stromkabels in eine geerdete Steckdose.
- Press the power button, usually located on the side or bottom of the display, to turn on the device.
4.3 Ersteinrichtung und Netzwerkverbindung
Upon first power-on, the system will guide you through the initial setup process, including language selection, time zone, and network configuration.
- W-lan: Wählen Sie Ihr WLAN-Netzwerk aus der Liste aus und geben Sie das Passwort ein.
- 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. Bedienungsanleitung
5.1 Grundlegende Navigation
The MAXHUB E21 Series runs on Android 13.0. Navigate the interface using touch gestures or the remote control.
- Klopfen: Wählen Sie ein Element aus oder öffnen Sie eine Anwendung.
- Wischen: Scroll through menus or pages.
- Kneifen/Spreizen: Inhalte vergrößern oder verkleinern.
- Lange drücken: Kontextmenüs aufrufen oder Symbole verschieben.
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 oder teilen.
5.4 Connectivity (Type-C)
The Type-C port offers versatile connectivity for various peripherals.
- Datenübertragung: Connect external storage devices.
- Ausgabe anzeigen: Connect to external monitors (if supported by specific port).
- Stromversorgung: Charge compatible devices.
- Audio/Video: Connect compatible audio/video devices.

Figure 4: Type-C connectivity options.
6. Hauptmerkmale
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.
- Fortschrittliches Betriebssystem: Powered by Android 13.0 OS, combined with 8GB RAM and 64GB ROM, for fast, smooth operations, enhanced processing capabilities, and ample Speicher.
- Powerful Audio System: Integrated dual 20W speakers provide rich, clear, and impactful sound, enhancing multimedia presentations and video conferencing.
- Langlebig und zuverlässig: Engineered for long-lasting performance with a 50,000-hour backlight life, ensuring consistent brightness and reliability over time.
7. Wartung
7.1 Reinigung des Bildschirms
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 Allgemeine Reinigung
Wipe the frame and back panel with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
7.3 Softwareaktualisierungen
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. Fehlerbehebung
If you encounter issues with your MAXHUB Digital Board, refer to the following common problems and solutions:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Kein Strom | Power cable not connected; Power outlet faulty; Device off | Ensure power cable is securely connected; Test power outlet; Press power button |
| Keine Anzeige | Device in standby mode; Input source incorrect | Wake up the device; Check input source settings |
| Touchscreen reagiert nicht | Screen dirty; Software glitch; Calibration issue | Clean the screen; Restart the device; Recalibrate touch (if option available) |
| Kein Ton | Lautstärke zu niedrig; Stummgeschaltet; Externes Audiogerät angeschlossen | Increase volume; Unmute; Disconnect external audio or select internal speakers |
| Probleme mit der Wi-Fi-Verbindung | Falsches Passwort; Routerproblem; Signalstörungen | Verify password; Restart router; Move closer to router or reduce interference |
If the problem persists, please contact MAXHUB customer support for assistance.
9. Spezifikationen
Detailed technical specifications for the MAXHUB E21 Series 86-inch Digital Board:
| Besonderheit | Spezifikation |
|---|---|
| Marke | MAXHUB |
| Modellnummer | Serie E21 |
| Bildschirmgröße | 86 Zoll |
| Auflösung | 3840x2160 (4K UHD) |
| Betriebssystem | Android 13.0 |
| RAM | 8 GB |
| Speicher (ROM) | 64 GB |
| Berührungspunkte | Bis zu 40 |
| Audioausgang | 2 x 20-W-Lautsprecher |
| Lebensdauer der Hintergrundbeleuchtung | 50,000 Stunden |
| Eingabe der menschlichen Schnittstelle | Touch-Screen |
| Farbe | Grau |
10. Garantie und 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 webAuf der Webseite finden Sie die detaillierten Garantiebedingungen.
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.





