1. Introduction
Thank you for purchasing the Acouto Zen16 Ultra 16-inch 4K Portable Monitor. This manual provides essential information for setting up, operating, and maintaining your device. Please read it thoroughly before use to ensure optimal performance and safety.
2. Safety Information
- Do not expose the monitor to rain or moisture to prevent fire or electric shock.
- Avoid placing the monitor in direct sunlight or near heat sources.
- Use only the power adapter and cables provided by Acouto.
- Do not attempt to disassemble or repair the monitor yourself. Contact customer support for assistance.
- Keep the monitor away from strong magnetic fields.
- Clean the screen with a soft, lint-free cloth. Do not use liquid cleaners or aerosol sprays.
3. Package Contents
Please check that all items are present in the package:
- Acouto Zen16 Ultra Portable Monitor Unit
- AC Adapter x1
- Instruction Manual x1
- HDMI (Mini) to HDMI Cable x1
- USB Type-C to Type-C Cable x2
- Storage Case x1

4. Product Overview
Key Features
- High-definition 4K+ Display: Features a 4K WQUXGA (3840x2400) resolution IPS panel, offering 4 times the detail of Full HD and a larger display area. Enjoy sharp, beautiful images with vivid details, 100% sRGB color, 1500:1 contrast ratio, and HDR support.
- Ultra-lightweight & Slim Design: With a minimum thickness of 5mm and a weight of approximately 690g, it is highly portable. The ultra-narrow 3mm bezel provides an immersive viewing experience.
- Integrated Stand & VESA Compatible: The built-in stand doubles as a carry handle, allowing free angle adjustment from 0° to 180°. It supports both landscape and portrait orientations. VESA mount (75x75mm) compatibility allows for attachment to a monitor arm for ergonomic setups.
- Wide Connectivity: Equipped with 2 full-function USB Type-C ports and a mini HDMI port, ensuring compatibility with laptops, smartphones, gaming consoles, cameras, tablets, and Fire TV Stick series. No additional drivers are required.
- Blue Light Reduction & Flicker-Free Technology: Designed to cut blue light and eliminate flicker, effectively reducing eye strain and irritation during prolonged use, enhancing concentration and productivity.
- Built-in Stereo Speakers: Two integrated speakers enhance your audiovisual experience for entertainment and multimedia.
- Dedicated Protective Case: A slim body combined with a standard protective case made of thick, soft fabric ensures maximum protection and convenient portability.
Product Diagram

5. Setup
Initial Setup
- Unpack the monitor and all accessories from the box.
- Place the monitor on a stable, flat surface.
- Adjust the integrated stand to your desired viewing angle (0° to 180°).

Connecting to Devices
The Zen16 Ultra supports various connection methods:
- USB Type-C (Full-function): Connect your laptop, smartphone, or tablet using one of the two provided USB Type-C to Type-C cables. This single cable can transmit both video/audio and power. Ensure your device's USB Type-C port supports DisplayPort Alt Mode.
- Mini HDMI: Connect devices like gaming consoles (PS4/PS5, Xbox), PCs, or cameras using the provided Mini HDMI to HDMI cable. For power, connect the monitor to the AC adapter or a mobile battery via a USB Type-C port.





6. Operating Instructions
Power On/Off
Press and hold the Power Button located on the side of the monitor to turn it on or off.
Menu Navigation
Use the Up and Down buttons to navigate through the On-Screen Display (OSD) menu. Press the Back button to return to the previous menu or exit the OSD.
Display Modes and Settings
- Brightness/Contrast: Adjust these settings in the OSD menu to optimize visual clarity for your environment.
- HDR Mode: The monitor supports HDR. Ensure your connected device also supports HDR for the best experience.
- Blue Light Reduction: Activate this feature in the OSD to reduce eye strain during long viewing sessions.
- Aspect Ratio: The monitor features a 16:10 aspect ratio, providing more vertical screen space compared to 16:9 displays.

Audio
The monitor has built-in stereo speakers. You can also connect headphones via the 3.5mm audio jack for private listening.

7. Maintenance
Cleaning the Monitor
- Always power off the monitor and disconnect it from the power source before cleaning.
- Use a soft, dry, lint-free cloth to gently wipe the screen and exterior surfaces.
- Do not use alcohol, ammonia-based cleaners, or abrasive materials, as these can damage the screen or casing.
Storage
When not in use, store the monitor in its dedicated protective case to prevent scratches and damage. Keep it in a cool, dry place away from extreme temperatures.

8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No display/"No Signal" message | Incorrect cable connection, insufficient power, incorrect input source. | Ensure cables are securely connected. Verify the monitor is receiving sufficient power. Select the correct input source via the OSD menu. For USB-C, ensure your device supports DisplayPort Alt Mode. |
| Screen is dim | Brightness setting is too low, insufficient power. | Adjust brightness in the OSD menu. Ensure the monitor is connected to a stable power source (AC adapter or fully charged mobile battery). |
| No sound from speakers | Volume is too low, mute is enabled, audio source issue. | Increase volume via OSD or connected device. Check if mute is enabled. Ensure the audio source is correctly configured on your connected device. |
| Monitor keeps disconnecting | Loose cable connection, power fluctuations, incompatible cable. | Reconnect cables firmly. Try a different USB Type-C or HDMI cable. Ensure power supply is stable. |
| Stand is unstable | Not properly deployed. | Ensure the integrated stand is fully extended and locked into position. Check that the anti-slip rubber feet are making full contact with the surface. |
9. Specifications
| Brand | Acouto |
| Model | Zen16 Ultra |
| Screen Size | 16 inches |
| Resolution | 3840 x 2400 (4K WQUXGA) |
| Aspect Ratio | 16:10 |
| Panel Type | IPS |
| Screen Surface | Non-glare |
| Refresh Rate | 60 Hz |
| Response Time | 3 ms |
| Color Gamut | 100% sRGB |
| HDR Support | Yes |
| Viewing Angle | 178 degrees |
| Connectivity | 2 x Full-function USB Type-C, 1 x Mini HDMI, 1 x 3.5mm Audio Jack |
| VESA Mount | 75x75mm compatible |
| Built-in Speakers | Yes (Stereo) |
| Item Dimensions (D x W x H) | 1.2 x 35.4 x 23.8 cm |
| Item Weight | 690 grams |
| Color | Black |
10. Warranty and Support
Warranty Information
The Acouto Zen16 Ultra Portable Monitor comes with a 1-year manufacturer's warranty from the date of purchase. Additionally, by registering your product, you can extend the warranty to a 3-year zero dead pixel warranty.
A 30-day free refund policy is also available. All products undergo thorough quality checks before shipment to ensure normal operation.
Customer Support
If you have any questions or encounter issues with your product, please do not hesitate to contact us. In case of a malfunction during the warranty period (excluding damage due to improper use, which may require verification), we offer free unit replacement or repair services. We are committed to providing the best possible support.
For support, please refer to the contact information provided with your purchase or visit the official Acouto website.