Deco Gear VIEW390
Deco Gear 39" Curved Ultrawide Gaming Monitor User Manual
Model: VIEW390
Brand: Deco Gear
Introduction
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your Deco Gear 39" Curved Ultrawide Gaming Monitor. Designed for an immersive experience, this monitor combines high refresh rates, rapid response times, and vibrant color reproduction to enhance both productivity and entertainment.

Image: The Deco Gear 39" Curved Ultrawide Gaming Monitor, showcasing its sleek design and immersive display.
Package Contents
Please verify that all items listed below are included in your package:
- Deco Gear 39" Curved Ultrawide Gaming Monitor
- DP Cable
- USB-C Cable
- Power Adapter
- Monitor Stand Components (Base and Neck)
- User Manual (this document)
Setup
1. Assembling the Stand
- Carefully remove the monitor and stand components from the packaging.
- Attach the stand neck to the monitor panel. Ensure it clicks securely into place or is fastened with the provided screws.
- Connect the stand base to the stand neck, tightening any screws as necessary.
- Place the assembled monitor on a stable, flat surface.

Image: Illustration of monitor stand assembly and VESA mounting options.
2. Connecting to a Device
The monitor supports multiple input options. Choose the appropriate cable for your device:
- HDMI: Connect an HDMI cable from your computer's graphics card to the monitor's HDMI port. Supports up to 144Hz refresh rate.
- DisplayPort (DP): Connect a DisplayPort cable from your computer's graphics card to the monitor's DP port. Supports up to 165Hz refresh rate.
- USB-C: Connect a USB-C cable for video, data, and power delivery (up to 65W) with compatible devices.
Ensure the power adapter is connected to the monitor and a power outlet.

Image: Close-up view of the monitor's rear input ports, highlighting HDMI, DisplayPort, and USB-C connections.
Operating Instructions
Power On/Off
Press the power button, usually 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 active.
On-Screen Display (OSD) Menu Navigation
The OSD menu allows you to adjust various monitor settings. Access it using the joystick or buttons typically found on the back or bottom of the monitor.
- Input Source: Select between HDMI, DisplayPort, or USB-C inputs.
- Picture Settings: Adjust brightness, contrast, sharpness, and color temperature.
- Display Settings: Configure aspect ratio, HDR mode, and Adaptive Sync.
- Audio: Adjust volume for connected headphones/speakers via the audio out port.
Key Features and Adjustments
Curved Display (3000R)
The 3000R curvature provides an immersive viewing experience, reducing eye strain and enhancing peripheral vision, especially beneficial for gaming and wide content viewing.

Image: The monitor showcasing its expansive 3000R curvature with a dynamic visual.
High Refresh Rate (165Hz) and Fast Response Time (1ms MPRT)
Experience ultra-smooth motion and minimal ghosting, crucial for fast-paced gaming. The 165Hz refresh rate ensures fluid frame transitions, while the 1ms MPRT (Moving Picture Response Time) minimizes blur.

Image: A visual comparison demonstrating the smoothness of 165Hz refresh rate versus 60Hz.
Vibrant and Accurate Colors
With 16.7 million colors, 99% sRGB color reproduction accuracy, and HDR400 support, the monitor delivers rich, true-to-life visuals. The 4000:1 contrast ratio ensures deep blacks and bright whites.

Image: The monitor showcasing its vibrant and accurate color display with a burst of colors.
Adaptive Sync Technology
Adaptive Sync synchronizes the monitor's refresh rate with your graphics card's frame rate, eliminating screen tearing and stuttering for a smoother gaming experience. Enable this feature through the OSD menu.
Adjustable Tilt
The monitor stand allows for tilt adjustment (-5° to +15°) to help you find the most comfortable viewing angle and reduce glare.

Image: Diagram illustrating the monitor's dimensions and its adjustable tilt range.
Maintenance
Cleaning the Monitor
- Always power off the monitor and unplug it from the power outlet before cleaning.
- Use a soft, lint-free cloth lightly dampened with water or a non-abrasive screen cleaner.
- Gently wipe the screen and exterior surfaces. Avoid spraying liquid directly onto the screen or into any openings.
- Do not use alcohol, ammonia, or abrasive cleaners, as these can damage the screen surface.
General Care
- Avoid placing heavy objects on the monitor or its cables.
- Keep the monitor away from direct sunlight, heat sources, and excessive moisture.
- Ensure proper ventilation around the monitor to prevent overheating.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No image on screen | Monitor is off; Incorrect input source; Loose cable connection. | Ensure monitor is powered on. Select correct input source via OSD. Check all video and power cables are securely connected. |
| Image is blurry or distorted | Incorrect resolution; Graphics card driver issues; Cable quality. | Set display resolution to 2560x1440. Update graphics card drivers. Try a different, high-quality cable. |
| No sound from audio out | Volume too low; Incorrect audio output selected on PC; Cable issue. | Increase monitor volume via OSD. Ensure monitor is selected as audio output device in PC settings. Check audio cable connection. |
| Screen tearing or stuttering | Adaptive Sync not enabled; Graphics card not compatible or drivers outdated. | Enable Adaptive Sync in the monitor's OSD menu and your graphics card control panel. Ensure graphics card drivers are up to date. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | VIEW390 |
| Screen Size | 39 Inches |
| Resolution | 2560 x 1440 Pixels (QHD Ultra Wide 1440p) |
| Aspect Ratio | 16:9 |
| Curvature | 3000R |
| Refresh Rate | 165 Hz (DisplayPort), 144 Hz (HDMI) |
| Response Time | 1ms MPRT |
| Contrast Ratio | 4000:1 |
| Image Brightness | 350 Candela |
| Color Support | 16.7 Million Colors, 99% sRGB |
| HDR Support | HDR400 |
| Connectivity | 1 x HDMI 2.0, 1 x DisplayPort 1.4, 1 x USB-C (with 65W Power Delivery), Audio Out |
| VESA Mount Compatible | Yes (100x100mm) |
| Product Dimensions (L x W x H) | 34.6 x 10.8 x 22.9 inches |
| Item Weight | 25.6 pounds |
Warranty and Support
For detailed warranty information, please refer to the warranty card included with your product or visit the official Deco Gear website. If you encounter any issues not covered in this manual or require technical assistance, please contact Deco Gear customer support.
Contact information can typically be found on the manufacturer's website or on the product packaging.
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