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General| Screen Size | 75 inches |
|---|---|
| Resolution | 3840 x 2160 (4K UHD) |
| Multi-Touch Points | 20 Points |
| Operating System | Android 9.0 |
| RAM | 4 GB |
| Storage | 32 GB |
| Connectivity | Wi-Fi, Bluetooth, HDMI, USB |
| Speakers | 2 x 15W |
| Built-in Camera | 8 MP |
| Built-in Microphone | 6-Array Microphone |
| Touch Technology | Infrared |
| CPU | Quad-core processor |
Instructions on where to place the unit to avoid damage and ensure safety.
Guidelines for connecting and using the power supply safely.
Proper cleaning and usage advice for the LED screen to maintain performance.
Recommended operating temperature range and precautions for temperature changes.
Recommended operating humidity range and precautions for moisture.
Requirements for proper ventilation to ensure heat dissipation.
Advice on using earphones to prevent hearing damage.
Information on how the unit enters standby mode.
Guidelines for battery disposal and safety.
Specific instructions for cleaning the unit to avoid damage.
Explanation of power switch symbols "I" (on) and "O" (off).
States that maintenance should only be performed by certified engineers.
Details the buttons and functions on the device's front control panel.
Lists and describes all input/output terminals and their respective functions.
Guides on connecting an external computer and using touch functionality.
Instructions for connecting audio/video equipment via AV IN and HDMI IN.
Steps for connecting audio equipment using coaxial cables and USB devices.
Guide to connecting to a network via LAN and controlling via RS232.
How to access and use the quick settings menu for brightness and volume.
Overview of accessing and navigating Android settings like device name.
How to configure and manage the wireless hotspot feature.
Information on configuring centralized control for remote management.
How to view downloaded, running, and all applications on the device.
How to select system language and input methods.
Settings for automatic or manual date and time configuration.
How to set up power on/off reminders and tasks.
Explains the cause of fogging on the screen and its impact.
Discusses reasons for differing device boot times in meeting rooms.
Addresses issues with external computers having no sound output.
Discusses alternatives to the provided touchpens for screen writing.
Clarifies if screen overheating is normal and its potential effects.
Explains how screen refresh rate minimizes eye fatigue.
Steps to troubleshoot issues related to the device failing to boot or automatically powering off.
Solutions for problems like no display from external computer or color issues.
Troubleshooting steps for when there are pictures but no sound.
Addresses issues with inaccurate touch positioning on the screen.
Detailed instructions for cleaning the touch screen safely and effectively.
Guidance on cleaning the front frame of the device.
Precautions for storing the device when not in use for extended periods.
Legal statement regarding copyright of hardware, software, and manual content.
Declaration of compliance with EU directives for radio equipment.
Compliance statement for FCC rules regarding digital devices and interference.
Information on FCC radiation exposure limits and compliance.
Warning about unauthorized modifications voiding user authority.
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