1. Important Safety Information
Please read all instructions carefully before using this monitor. Keep this manual for future reference.
- Do not expose the monitor to rain, moisture, or extreme temperatures.
- Ensure the monitor is placed on a stable, flat surface to prevent falling.
- Use only the power adapter provided with the monitor.
- Do not block ventilation openings.
- Unplug the monitor from the power outlet during lightning storms or when unused for long periods.
- Do not attempt to service the monitor yourself. Refer all servicing to qualified personnel.
2. Package Contents
Verify that all items are present in your package:
- CRUA 24-inch Gaming Monitor
- HDMI Cable
- DP Cable
- Monitor Base and Support
- User Manual
- Power Adapter
3. Setup Instructions
3.1. Assembling the Monitor Stand
Follow these steps to attach the stand to your monitor:
- Insert the stand into the monitor base.
- Tighten the base screw to secure the stand.
- Install the display bracket onto the monitor.
- Insert the bracket into the uppermost notch and press firmly until it clicks into place.
Image: Step-by-step guide for assembling the monitor stand.
3.2. Connecting to a Device
The monitor supports multiple input options:
- HDMI: Connect an HDMI cable from your computer or gaming console to the monitor's HDMI port. Supports up to 120Hz refresh rate.
- DisplayPort (DP): Connect a DP cable from your computer to the monitor's DP port. Supports up to 180Hz refresh rate.
- Audio Out: Use the 3.5mm audio port to connect external speakers or headphones. The monitor does not have built-in speakers.
Image: Rear view of the monitor highlighting the HDMI, DisplayPort, and audio ports.
3.3. Powering On
Connect the power adapter to the monitor and then to a power outlet. Press the power button located on the back of the monitor to turn it on.
4. Operating Instructions
4.1. Monitor Controls
The monitor features a joystick/switch on the back for navigating the On-Screen Display (OSD) menu and adjusting settings.
Image: Back view of the CRUA monitor, indicating the location of the control buttons.
4.2. OSD Menu Navigation
Press the joystick/switch to access the OSD menu. Use the joystick to navigate through options and adjust values. Press again to confirm selections or exit sub-menus.
4.3. Key Features
- High Refresh Rate (180Hz): Experience smoother visuals and reduced motion blur, especially beneficial for gaming. Ensure your graphics card and connection (DisplayPort 1.2) support this refresh rate.
- AMD FreeSync Technology: Synchronizes the monitor's refresh rate with your AMD graphics card's frame rate to eliminate screen tearing and stuttering. Activate FreeSync in your graphics card settings.
- Excellent Color Reproduction: The monitor offers 16.7 million colors, 3000:1 dynamic contrast, and 120% sRGB for vibrant and detailed images.
- Low Blue Light & Flicker-Free: Features designed to reduce eye strain during extended use. These settings can be adjusted via the OSD menu.
Image: Visual comparison demonstrating the difference between 75Hz and 180Hz refresh rates in fast-paced scenes.
Image: Illustration showing how AMD FreeSync eliminates screen tearing and stuttering.
Image: Display demonstrating the monitor's wide color gamut and true color reproduction.
5. Maintenance
5.1. Cleaning the Monitor
To clean the monitor screen, gently wipe it with a soft, lint-free cloth. For stubborn marks, dampen the cloth with a mild, non-abrasive cleaning solution specifically designed for screens. Avoid using alcohol-based cleaners or spraying liquid directly onto the screen.
5.2. Storage
When storing the monitor, ensure it is powered off and disconnected from all cables. Store it in a cool, dry place, preferably in its original packaging to protect it from dust and physical damage.
6. Troubleshooting
If you encounter issues with your monitor, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No image on screen | Power cable disconnected, video cable loose/disconnected, incorrect input source selected. | Check power and video cable connections. Select the correct input source via the OSD menu. |
| Image flickering or unstable | Loose video cable, incorrect refresh rate, FreeSync not enabled (if applicable). | Ensure video cable is secure. Adjust refresh rate in display settings. Enable AMD FreeSync in OSD and graphics card settings. |
| Dead pixels or stuck pixels | Manufacturing defect. | Contact customer support for assistance. |
| No audio from external speakers/headphones | Audio cable disconnected, volume too low, incorrect audio output selected on PC. | Check audio cable connection. Adjust volume on monitor and PC. Ensure PC audio output is set to the monitor or connected device. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | CR240DM |
| Screen Size | 23.8 Inches |
| Screen Resolution | 1920x1080 (FHD 1080p) |
| Max Refresh Rate | 180Hz (via DP 1.2), 120Hz (via HDMI 1.4) |
| Response Time | 2ms |
| Curvature | 2800R |
| Aspect Ratio | 16:9 |
| Viewing Angle | 178° |
| Brightness | 250cd/m² |
| Color Gamut | 120% sRGB, 16.7 Million Colors (8-bit) |
| Dynamic Contrast Ratio | 3000:1 |
| Adaptive Sync Technology | AMD FreeSync |
| Connectivity | HDMI 1.4, DisplayPort 1.2, 3.5mm Audio Out |
| Wall Mount Compatible | 75mm x 75mm VESA |
| Dimensions (LxWxH) | 0.4 x 21 x 15.7 inches |
| Weight | 7.88 pounds |
8. Warranty and Support
CRUA provides high-quality computer monitors and premium services. A 1-3 year warranty is included with your purchase.
If you have any questions or require technical assistance, please contact us at any time. We are committed to serving you and solving all your problems.
For support, please refer to the contact information provided in your product packaging or visit the official CRUA website.