1. Úvod
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. Bezpečnostní informace
To ensure safe operation and prevent damage to the device, please observe the following safety precautions:
- Napájení: Use only the specified power adapter and ensure the power outlet is properly grounded.
- Větrání: Neblokujte větrací otvory. Zajistěte dostatečný prostor kolem zařízení pro správné proudění vzduchu.
- Umístění: 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.
- Čištění: Před čištěním odpojte napájení. Použijte měkký, suchý hadřík. Nepoužívejte tekuté ani aerosolové čisticí prostředky.
- Zacházení: Handle the display with care. Avoid strong impacts or pressure on the screen.
- Servis: Nepokoušejte se sami opravovat produkt. Veškeré opravy svěřte kvalifikovanému servisnímu personálu.
3. Obsah balení
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
- Napájecí kabel
- Stylusové pero (pera)
- Dálkové ovládání
- Wall Mount Bracket (optional, may vary by region/package)
- Uživatelská příručka (tento dokument)
4. Nastavení
4.1 Fyzická instalace
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 Připojení napájení
- Connect the power cable to the AC IN port on the digital board.
- Zapojte druhý konec napájecího kabelu do uzemněné elektrické zásuvky.
- Press the power button, usually located on the side or bottom of the display, to turn on the device.
4.3 Počáteční nastavení a síťové připojení
Upon first power-on, the system will guide you through the initial setup process, including language selection, time zone, and network configuration.
- Wi-Fi: Vyberte ze seznamu svou síť Wi-Fi a zadejte heslo.
- 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. Návod k obsluze
5.1 Základní navigace
The MAXHUB E21 Series runs on Android 13.0. Navigate the interface using touch gestures or the remote control.
- Klepněte na: Vyberte položku nebo otevřete aplikaci.
- Výpad: Scroll through menus or pages.
- Štípnutí/roztažení: Přiblížení nebo oddálení obsahu.
- Dlouhé stisknutí: Přístup k kontextovým nabídkám nebo přesun ikon.
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 nebo sdílení.
5.4 Connectivity (Type-C)
The Type-C port offers versatile connectivity for various peripherals.
- Přenos dat: Connect external storage devices.
- Výstup displeje: Connect to external monitors (if supported by specific port).
- Dodávka energie: Nabíjejte kompatibilní zařízení.
- Audio/Video: Connect compatible audio/video devices.

Figure 4: Type-C connectivity options.
6. Klíčové vlastnosti
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.
- Pokročilý operační systém: Powered by Android 13.0 OS, combined with 8GB RAM and 64GB ROM, for fast, smooth operations, enhanced processing capabilities, and ampúložiště.
- Powerful Audio System: Integrated dual 20W speakers provide rich, clear, and impactful sound, enhancing multimedia presentations and video conferencing.
- Odolné a spolehlivé: Engineered for long-lasting performance with a 50,000-hour backlight life, ensuring consistent brightness and reliability over time.
7. Údržba
7.1 Čištění obrazovky
To clean the screen, first power off the device and unplug the power cable. Use a soft, lint-free cloth slightly dampvodou nebo roztokem určeným pro čištění obrazovek. Nestříkejte tekutinu přímo na obrazovku.
7.2 Obecné čištění
Wipe the frame and back panel with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
7.3 Aktualizace softwaru
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. Řešení problémů
If you encounter issues with your MAXHUB Digital Board, refer to the following common problems and solutions:
| Problém | Možná příčina | Řešení |
|---|---|---|
| Žádná síla | Power cable not connected; Power outlet faulty; Device off | Ensure power cable is securely connected; Test power outlet; Press power button |
| Žádný displej | Device in standby mode; Input source incorrect | Wake up the device; Check input source settings |
| Dotykový displej nereaguje | Screen dirty; Software glitch; Calibration issue | Clean the screen; Restart the device; Recalibrate touch (if option available) |
| Žádný zvuk | Příliš nízká hlasitost; Ztlumený zvuk; Připojeno externí zvukové zařízení | Increase volume; Unmute; Disconnect external audio or select internal speakers |
| Problémy s připojením Wi-Fi | Nesprávné heslo; Problém s routerem; Rušení signálu | Verify password; Restart router; Move closer to router or reduce interference |
If the problem persists, please contact MAXHUB customer support for assistance.
9. Specifikace
Detailed technical specifications for the MAXHUB E21 Series 86-inch Digital Board:
| Funkce | Specifikace |
|---|---|
| Značka | MAXHUB |
| Číslo modelu | Řada E21 |
| Velikost obrazovky | 86 palce |
| Rezoluce | 3840x2160 (4K UHD) |
| Operační systém | Android 13.0 |
| BERAN | 8 GB |
| Úložiště (ROM) | 64 GB |
| Dotkněte se bodů | Až do 40 |
| Zvukový výstup | 2x 20W reproduktory |
| Život podsvícení | 50,000 hodin |
| Vstup lidského rozhraní | Dotyková obrazovka |
| Barva | Šedá |
10. Záruka a podpora
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 webpodrobné záruční podmínky naleznete na webu.
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.