Product Overview
The Newline 75" 4K Touch Screen Display Interactive RS+ Series (Model TT-7519RS) is an advanced interactive display designed for collaborative environments. It features a stunning 4K UHD resolution, intuitive multi-touch capabilities, and a powerful embedded Android operating system, making it ideal for presentations, interactive lessons, and dynamic teamwork.

Figure 1: Front view of the Newline 75" 4K Touch Screen Display, showcasing its large interactive screen.
Setup and Installation
Proper setup is crucial for optimal performance. Ensure the installation area can support the display's dimensions and weight.
Physical Installation
- The display measures approximately 69.69 x 42.13 x 4.29 inches and weighs 154 pounds. Professional installation is recommended due to its size and weight.
- Ensure the mounting surface or stand is robust enough to safely support the display.

Figure 2: Rear view of the display, illustrating the mounting points and structural design for installation.
Power Connection
- Connect the power cable to the display and a standard 120 Volts (AC) power outlet.
- Use a surge protector to safeguard the display from power fluctuations.
Connectivity
The display offers various ports for external devices:
- USB Ports: Total of 7 USB ports for connecting peripherals.
- HDMI/DisplayPort: Multiple HDMI and DisplayPort inputs for video and audio sources.

Figure 3: Detail of the control panel and connectivity ports located at the bottom of the display.
Operating Instructions
This section details the primary functions and features of your Newline interactive display.
Powering On/Off
- Press the power button located on the control panel (refer to Figure 3) to turn the display on or off.
- Allow a few moments for the embedded Android 8.0 OS to boot up.
Interactive Touch Features
- The display features Superior IR Intelligent Touch technology, recognizing input from a finger, stylus, or even a palm.
- Object recognition allows different inputs to function as a marker, pen, or eraser, depending on the application.
Wireless Casting (Newline Cast)
- Utilize the built-in Newline Cast app for seamless wireless screen sharing.
- Compatible with iOS, Windows, and Android devices. Follow the on-screen instructions within the Newline Cast app to connect your device.
Navigating the Embedded OS
The display runs on an impressive embedded Android 8.0 OS, providing a fast and responsive user experience. The main interface provides access to various applications and input sources.

Figure 4: The interactive display's home screen, showing various applications and input options like HDMI and DisplayPort.
- Touch the icons on the screen to launch applications such as Built-in PC, Screen Sharing, Browser, File Viewer, and more.
- Select desired input sources (e.g., HDMI 1, HDMI 2, DisplayPort) from the interface to switch between connected devices.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your display.
Cleaning the Screen
- The screen surface is glossy. Use a soft, lint-free cloth specifically designed for electronics.
- For stubborn smudges, lightly dampen the cloth with a screen cleaning solution (non-abrasive, alcohol-free).
- Never spray liquid directly onto the screen.
General Care
- Keep the display in a well-ventilated area to prevent overheating.
- Avoid exposing the display to direct sunlight or extreme temperatures.
- Do not place heavy objects on top of the display.
Troubleshooting
This section provides solutions to common issues you might encounter.
| Problem | Possible Cause | Solution |
|---|---|---|
| No image on screen | Power cable disconnected; Incorrect input source selected; Display is off. | Ensure power cable is securely connected. Press the power button. Verify the correct HDMI/DisplayPort input is selected. |
| Touch function not responding | USB touch cable disconnected; Software issue; Calibration needed. | Check the USB touch cable connection. Restart the display. Refer to the on-screen settings for touch calibration. |
| Wireless casting issues | Network connectivity problems; Device incompatibility; App not running. | Ensure both the display and casting device are on the same network. Confirm your device OS is supported (iOS, Windows, Android). Restart the Newline Cast app on both devices. |
If the problem persists after attempting these solutions, please contact Newline customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Newline |
| Model Number | TT-7519RS |
| Product Dimensions | 69.69 x 42.13 x 4.29 inches |
| Item Weight | 154 pounds |
| Manufacturer | Newline Interactive |
| Screen Size | 75 Inches |
| Resolution | 3840 x 2160 (4K UHD 2160p) |
| Aspect Ratio | 16:9 |
| Voltage | 120 Volts (AC) |
| Total USB Ports | 7 |
| Screen Surface | Glossy |
| Operating System | Android 8.0 (Embedded) |
| Touch Technology | IR Intelligent Touch |
Warranty and Support
For warranty information and technical support, please contact Newline Interactive directly. Details regarding specific warranty terms and conditions are typically provided with your purchase documentation or can be found on the official Newline website.
Manufacturer: Newline Interactive
For the most up-to-date support resources, visit the official Newline website or consult your product's original packaging.





