1. Introduction
This user manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your Z-EDGE U28I4K 4K Monitor. Please read this manual thoroughly before using the product to ensure proper functionality and to prevent damage.
Product Features:
- 4K UHD Resolution (3840x2160): Delivers stunningly clear and lifelike images with exceptional detail.
- 144Hz Refresh Rate & 1ms Response Time: Ensures smooth, crisp visuals and reduces motion blur, ideal for gaming.
- IPS Panel: Provides wide 178° viewing angles and consistent, accurate color reproduction.
- HDR10 Technology: Enhances picture quality with deeper blacks and brighter whites.
- Multiple Connectivity Options: Two HDMI inputs and two DisplayPort inputs for versatile device connection.
- Eye Care Technology: Features low blue light and flicker-free technology to reduce eye strain.
- VESA Mount Compatible: Supports 100x100mm VESA mounting for flexible installation.
2. Package Contents
Please check the package contents upon unboxing. If any items are missing or damaged, contact Z-EDGE customer support.
- Z-EDGE U28I4K 4K Monitor
- Monitor Stand (Base and Neck)
- Power Adapter and Power Cable
- HDMI Cable
- DisplayPort Cable
- User Manual
- Screws and Screwdriver for stand assembly
3. Setup
3.1 Assembling the Stand
- Carefully remove the monitor from its packaging, keeping it protected on a soft, flat surface.
- Attach the stand neck to the monitor's rear panel using the provided screws. Ensure it is securely fastened.
- Connect the stand base to the stand neck and tighten the thumb screw or use the provided screwdriver to secure it.
- Gently place the assembled monitor on a stable, flat desk.
3.2 Connecting to a Device
The Z-EDGE U28I4K monitor supports multiple input types. Choose the appropriate cable for your device.
- HDMI Connection: Connect one end of the HDMI cable to the HDMI port on your computer/device and the other end to an HDMI input port (HDMI 1 or HDMI 2) on the monitor.
- DisplayPort Connection: Connect one end of the DisplayPort cable to the DisplayPort on your computer/device and the other end to a DisplayPort input port (DP 1 or DP 2) on the monitor.
- Audio Output: Connect external speakers or headphones to the 3.5mm audio output jack on the monitor if desired.
3.3 Power Connection
Connect the power adapter to the DC 12V input on the monitor, then plug the power cable into a wall outlet.
Important: Use only the power adapter provided with your monitor.
4. Operating the Monitor
4.1 Power On/Off
Press the power button located on the back or bottom of the monitor to turn it on or off. The power indicator light will illuminate when the monitor is on.
4.2 On-Screen Display (OSD) Menu
The OSD menu allows you to adjust various monitor settings. Navigate the menu using the buttons typically found on the back or bottom right of the monitor.
Common OSD Settings:
- Brightness/Contrast: Adjust the overall luminance and contrast ratio.
- Color Settings: Modify color temperature, gamma, and individual RGB levels.
- Input Source: Manually select between HDMI 1, HDMI 2, DP 1, or DP 2.
- Picture Mode: Select preset display modes (e.g., Standard, Game, Movie, Text).
- Response Time/Overdrive: Adjust the pixel response time for faster transitions.
- FreeSync/Adaptive Sync: Enable or disable adaptive synchronization technology.
- Low Blue Light: Reduce blue light emission to minimize eye strain.
- Flicker-Free: Ensure the display is free from visible flickering.
4.3 Refresh Rate and Response Time
The monitor supports up to a 144Hz refresh rate and 1ms response time for optimal performance in fast-paced applications and gaming.
5. Maintenance
5.1 Cleaning the Monitor
- Always unplug the monitor from the power outlet before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a non-abrasive screen cleaner.
- Do not spray cleaner directly onto the screen.
- Avoid using benzene, thinner, ammonia, or abrasive cleaners, as these can damage the monitor's surface.
5.2 Storage
When storing the monitor for an extended period, 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
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Power cable not connected; Power outlet faulty; Power adapter faulty. | Ensure power cable is securely connected to monitor and outlet. Test outlet with another device. Contact support if adapter is suspected faulty. |
| No Signal | Input cable not connected; Incorrect input source selected; Computer/device not outputting signal. | Check HDMI/DisplayPort cable connections. Select correct input source via OSD menu. Restart computer/device. |
| Flickering Screen | Loose cable connection; Refresh rate mismatch; DCR (Dynamic Contrast Ratio) enabled. | Ensure cables are firmly connected. Adjust refresh rate in display settings. Disable DCR in OSD menu. |
| Poor Image Quality (Blurry/Distorted) | Incorrect resolution; Cable quality; Graphics driver issues. | Set display resolution to 3840x2160. Try a different high-quality cable. Update graphics drivers. |
| No Audio from Monitor | Volume too low; Incorrect audio output selected on computer; External speakers not connected/powered. | Increase monitor volume via OSD. Select monitor as audio output device in OS settings. Ensure external speakers are connected and powered. |
If the problem persists after trying these solutions, please contact Z-EDGE customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | U28I4K |
| Screen Size | 28 Inches |
| Panel Type | IPS |
| Resolution | 3840x2160 (4K UHD) |
| Refresh Rate | 144Hz |
| Response Time | 1ms (MPRT) |
| Brightness | 300 cd/m² |
| Contrast Ratio | 1000:1 |
| Color Support | 16.7 Million Colors (8-bit) |
| Viewing Angle | 178° (H/V) |
| HDR Support | HDR10 |
| Connectivity | 2x HDMI 2.1, 2x DisplayPort 1.4, 1x Audio Out (3.5mm) |
| VESA Mount | 100x100mm |
| Dimensions (with stand) | 19 x 64 x 46 cm |
| Weight (with stand) | 5.96 kg |
| Power Input | DC 12V |
8. Warranty and Support
8.1 Warranty Information
Z-EDGE products typically come with a limited manufacturer's warranty. Please refer to the warranty card included in your product packaging or visit the official Z-EDGE website for detailed warranty terms and conditions. Keep your purchase receipt as proof of purchase for warranty claims.
8.2 Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact Z-EDGE customer support:
- Website: www.z-edge.com (Check for support contact details, FAQs, and driver downloads)
- Email: Refer to the official website for the most current support email address.
- Phone: Refer to the official website for the most current support phone number.
When contacting support, please have your monitor's model number (U28I4K) and serial number ready.
