1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your Amzfast 27-inch 4K Dual Mode Gaming Monitor (Model AMZG27F6U). Please read this manual thoroughly before using the product to ensure optimal performance and safety. This monitor features a 27-inch Fast IPS panel, offering a dual mode experience with UHD 4K resolution at up to 160Hz and FHD 1080P resolution at up to 320Hz. It includes HDR400 support, built-in speakers, and an ergonomic adjustable stand.

Image 1.1: The Amzfast 27-inch 4K Dual Mode Gaming Monitor, showcasing its display capabilities.
2. Package Contents
Verify that all items are present in the package. If any items are missing or damaged, contact customer support.
- Amzfast 27-inch 4K Dual Mode Gaming Monitor
- Adaptor x 1
- DP Cable (1.5m) x 1
- HDMI 2.1 Cable (1.5m) x 1
- Quick Start Guide
- User Manual
3. Product Overview
3.1 Key Features
- Dual Mode Operation: Switch between 4K UHD (up to 160Hz) for high-fidelity gaming and FHD 1080P (up to 320Hz) for high-frame-rate FPS gaming.
- Fast IPS Panel: 1ms response time (OD MPRT) with Adaptive Sync technology for smooth visuals and reduced tearing.
- High Dynamic Range (HDR400): Enhanced contrast and color depth with 10-bit color, 126% sRGB, and 93% DCI-P3 color gamut.
- Connectivity: Dual HDMI 2.1 ports (up to 4K 144Hz, FHD 320Hz) and dual DisplayPort 1.4 ports (up to 4K 160Hz, FHD 320Hz).
- Ergonomic Stand: Supports height (±130 mm), pivot (±90°), swivel (±30°), and tilt (-5° to 20°) adjustments.
- Integrated Audio: Built-in 2-way speakers.
- Eye Protection: Features Low Blue Light, Anti-flicker, and Anti-Glare technologies.
3.2 Monitor Ports and Controls
Familiarize yourself with the monitor's input/output ports and control buttons.

Image 3.1: Rear view of the monitor detailing DC IN, HDMI 2.1, DisplayPort 1.4, and Earphone ports, along with VESA mount points and dimensions.
- DC IN: Power input port.
- HDMI 2.1 FRL (x2): Connect to devices supporting HDMI 2.1 for up to 4K 144Hz or FHD 320Hz.
- DP 1.4 (x2): Connect to devices supporting DisplayPort 1.4 for up to 4K 160Hz or FHD 320Hz.
- Earphone: 3.5mm audio output for headphones.
- 5-Way Gaming Joystick: Located on the rear, this joystick is used to navigate the On-Screen Display (OSD) menu and can also function as a mode switch button.
4. Setup
4.1 Stand Assembly
- Carefully remove the monitor and stand components from the packaging.
- Attach the stand base to the stand arm using the provided screws.
- Align the assembled stand with the VESA mounting holes on the back of the monitor and secure it firmly.
The monitor stand is designed for space-saving and ergonomic adjustments.

Image 4.1: The slim base design and adjustable stand features, including height, tilt, and rotation.
4.2 Connecting to Devices
- Connect the power adapter to the monitor's DC IN port and then to a power outlet.
- Connect your PC, gaming console, or other video source to one of the HDMI 2.1 or DisplayPort 1.4 inputs using the appropriate cable.
- For audio output, connect headphones to the earphone jack if desired.
Video 4.1: An official product video demonstrating the features and connectivity of the Amzfast 27-inch 4K Dual Mode Gaming Monitor.
5. Operating Instructions
5.1 Power On/Off
Press the power button (often integrated with the 5-way joystick) to turn the monitor on or off.
5.2 OSD Menu Navigation
Use the 5-way joystick on the back of the monitor to navigate the On-Screen Display (OSD) menu. Press the joystick in to confirm selections, and move it up, down, left, or right to browse options.

Image 5.1: The new OSD interface, showing options for AI, Gaming, Image, Professional, Input Source, and PIP/PBP settings.
5.3 Dual Mode Switching
The monitor supports a dual mode for different gaming experiences:
- 4K UHD 160Hz: Ideal for AAA games requiring high visual fidelity.
- FHD 320Hz: Optimized for fast-paced FPS games where higher refresh rates are critical.
Switch between these modes via the OSD menu or a dedicated mode switch button (if available, often integrated with the joystick).

Image 5.2: Visual representation of the monitor's dual mode functionality, showing 4K 160Hz for AAA gaming and FHD 320Hz for FPS gaming.
5.4 Gaming Features
- AI Crosshair: Customize the crosshair color to improve aiming in various game scenarios.
- Sniper Scope: Adjust magnification for precise targeting.
- Night Vision: Increases the brightness of dark areas to enhance visibility in low-light game environments.
- Adaptive Sync: Prevents screen tearing and stuttering by synchronizing the monitor's refresh rate with the GPU's frame rate.

Image 5.3: The AI Crosshair feature, showing different crosshair options for improved aiming.

Image 5.4: Night Vision feature demonstrating increased visibility in dark game areas.
5.5 Picture-in-Picture (PIP) and Picture-by-Picture (PBP)
The monitor supports displaying content from multiple sources simultaneously:
- PIP (Picture-in-Picture): Displays a sub-screen from a second source within the main display.
- PBP (Picture-by-Picture): Divides the screen to show content from two sources side-by-side.
These modes can be configured via the OSD menu under the PIP/PBP section.

Image 5.5: Illustration of PIP and PBP modes, allowing simultaneous display from multiple input sources.
6. Maintenance
6.1 Cleaning the Monitor
- Always unplug the monitor before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild, non-abrasive screen cleaner.
- Do not spray cleaner directly onto the screen.
- Avoid using alcohol, ammonia, or abrasive cleaners, as they can damage the screen surface.
6.2 General Care
- Avoid placing heavy objects on the monitor or its cables.
- Do not expose the monitor to direct sunlight, excessive heat, or moisture.
- Ensure adequate ventilation around the monitor to prevent overheating.
7. 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 disconnected or loose; Incorrect input source selected. | Ensure power cable is securely connected. Check video cable connections. Select the correct input source via the OSD menu. |
| Image is blurry or distorted | Incorrect resolution or refresh rate; Video cable issue. | Adjust display settings on your device to match the monitor's native resolution (3840x2160) and desired refresh rate. Try a different video cable. |
| No audio from speakers | Volume too low or muted; Audio output not selected; External speakers connected. | Increase monitor volume. Ensure monitor is selected as the audio output device on your computer. Disconnect external speakers if using built-in ones. |
| Screen tearing or stuttering | Adaptive Sync not enabled; Graphics card driver issues. | Enable Adaptive Sync in the monitor's OSD menu and your graphics card settings. Update graphics card drivers. |
If the problem persists after attempting these solutions, please contact Amzfast customer support.
8. Specifications
Technical specifications for the Amzfast 27-inch 4K Dual Mode Gaming Monitor (Model AMZG27F6U).
| Feature | Specification |
|---|---|
| Model Number | AMZG27F6U |
| Screen Size | 27 Inches |
| Panel Type | Fast IPS |
| Resolution (4K Mode) | 3840 x 2160 up to 160 Hz |
| Resolution (FHD Mode) | 1920 x 1080 up to 320 Hz |
| Response Time | 1ms (OD MPRT) |
| HDR Support | HDR400 |
| Brightness | 400 cd/m² |
| Color Gamut | 126% sRGB, 93% DCI-P3 |
| Color Depth | 10 bit |
| Connectivity | 2x HDMI 2.1, 2x DisplayPort 1.4, 1x Earphone Jack |
| Speakers | Built-in 2-Way Audio |
| VESA Mount | 100x100 mm |
| Adjustments | Height (±130 mm), Pivot (±90°), Swivel (±30°), Tilt (-5° to 20°) |
| Product Dimensions | 8.54 x 24.09 x 20.43 inches |
| Item Weight | 15.67 pounds |
9. Warranty and Support
9.1 Warranty Information
This Amzfast monitor comes with a 12-month warranty from the date of purchase, covering manufacturing defects. Please retain your proof of purchase for warranty claims.
9.2 Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact Amzfast Official customer support. Refer to the contact information provided in your Quick Start Guide or visit the official Amzfast website.





