1. Introduction
Thank you for choosing the VisionOwl 23.8-inch Portable Monitor. This monitor is designed to provide a high-quality visual experience with its 2K QHD resolution, 180Hz refresh rate, and wide compatibility. This manual provides essential information for setting up, operating, and maintaining your new portable monitor.

Figure 1: VisionOwl 23.8-inch Portable Monitor in use.
2. Product Overview
2.1 Package Contents
Ensure all items are present in the package:
- 1 × VisionOwl 23.8-inch Portable Monitor
- 1 × USB-C to USB-C cable (full-featured)
- 1 × HDMI cable (for video only)
- 1 × PD Charger with 5ft Cable
- 1 × User Manual

Figure 2: Included components in the package.
2.2 Monitor Features
- Display: 23.8-inch IPS panel with 2560x1440 (2K QHD) resolution.
- Refresh Rate: 180Hz for smooth visuals.
- Color Gamut: 130% sRGB (92% NTSC) for vibrant colors.
- Contrast Ratio: 1200:1.
- Connectivity: Dual USB-C ports, standard HDMI port.
- Audio: Built-in speakers and 3.5mm audio jack.
- Stand: Integrated kickstand for versatile positioning.
- Mounting: VESA compatible (100x100mm) for wall or arm mounting.
- Design: Robust metal back panel for durability.
2.3 Ports and Controls
Familiarize yourself with the monitor's ports and control buttons:

Figure 3: Monitor ports and control buttons.
- Audio Jack: Connect headphones or external speakers.
- Menu/Enter Button: Access and confirm selections in the On-Screen Display (OSD) menu.
- Up/Brightness+ Button: Navigate up in menus or quickly increase brightness.
- Down/Volume- Button: Navigate down in menus or quickly decrease volume.
- LED Light: Indicates power status.
- Power/Exit Button: Turn the monitor on/off or exit menus.
- USB-C Ports (x2): For power, video, and data transmission (full-featured USB-C cable required).
- HDMI Port: For video input (requires separate power).
3. Setup Instructions
3.1 Connecting to a Laptop (USB-C)
For laptops with a full-featured USB-C port (supporting Thunderbolt 3/4/5 or DisplayPort Alt Mode):
- Connect one end of the provided USB-C to USB-C cable to your laptop's USB-C port.
- Connect the other end of the USB-C cable to one of the monitor's USB-C ports.
- If the laptop's USB-C port can deliver sufficient power (65W recommended), the monitor will power on and display automatically.
- If the screen is dim or does not power on, connect the provided PD charger to the other USB-C port on the monitor for external power.

Figure 4: USB-C connection setup with optional external power.
3.2 Connecting to a Device (HDMI)
For devices with an HDMI output (e.g., PC, PS5, Xbox, older laptops):
- Connect one end of the provided HDMI cable to your device's HDMI output.
- Connect the other end of the HDMI cable to the monitor's HDMI port.
- Connect the provided PD charger to one of the monitor's USB-C ports for power. The monitor requires external power when using HDMI for video input.

Figure 5: HDMI connection setup with external power.
Note: HDMI connections support a maximum refresh rate of 144Hz. For 180Hz, a full-featured USB-C connection is required.
3.3 VESA Mounting
The monitor features VESA-compatible 100x100mm mounting holes for use with VESA arms or wall mounts. The screw size required is M4x6mm.

Figure 6: VESA mounting option for the portable monitor.
Important: The VESA stand is not included in the package. iPads and smartphones do not support portrait mode.
4. Operating Instructions
4.1 Power On/Off
Press the Power/Exit button to turn the monitor on or off.
4.2 On-Screen Display (OSD) Menu
The OSD menu allows you to adjust various display settings:
- Press the Menu/Enter button to open the OSD menu.
- Use the Up/Brightness+ and Down/Volume- buttons to navigate through menu options.
- Press Menu/Enter to select an option or confirm a setting.
- Press the Power/Exit button to go back or exit the OSD menu.
4.3 Brightness and Volume Adjustment
You can quickly adjust brightness and volume without entering the OSD menu:
- Press the Up/Brightness+ button to increase brightness.
- Press the Down/Volume- button to decrease volume.

Figure 7: Brightness and volume shortcut keys.
4.4 Display Modes (Portrait/Landscape)
The monitor supports both portrait and landscape orientations when used with a compatible VESA mount. Adjust the display settings on your connected device (e.g., Windows Display Settings or macOS System Settings) to match the physical orientation of the monitor.

Figure 8: Monitor in portrait and landscape orientations.
5. Maintenance
5.1 Cleaning the Screen
To clean the screen, gently wipe it with a soft, lint-free cloth. For stubborn marks, dampen the cloth slightly with water or a screen-cleaning solution. Avoid using harsh chemicals, abrasive cleaners, or spraying liquid directly onto the screen.
5.2 Cleaning the Casing
Wipe the monitor casing with a soft, dry cloth. Do not use liquid cleaners on the casing.
5.3 Storage
When not in use, store the monitor in a cool, dry place, away from direct sunlight and extreme temperatures. Use the original packaging or a protective sleeve to prevent scratches and damage during transport or storage.
6. Troubleshooting
If you encounter issues with your VisionOwl portable monitor, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No display/"No Signal" message | Incorrect cable connection, insufficient power, incompatible USB-C port. |
|
| Screen is dim | Insufficient power, brightness setting too low. |
|
| No sound from speakers | Volume too low, audio output settings on device. |
|
| Display is flickering or unstable | Cable issue, refresh rate mismatch. |
|
7. Specifications
| Feature | Detail |
|---|---|
| Brand | VisionOwl |
| Model Number | V-Y23QH |
| Screen Size | 23.8 inches |
| Resolution | 2560 x 1440 (QHD Wide 1440p) |
| Aspect Ratio | 16:9 |
| Panel Type | IPS |
| Screen Surface | Matte |
| Refresh Rate | 180 Hz |
| Response Time | 3 milliseconds |
| Contrast Ratio | 1200:1 |
| Brightness | 272 cd/m² |
| Viewing Angle | 178 degrees |
| Color Gamut | 130% sRGB |
| Connectivity | 2 x USB Type-C, 1 x HDMI, 1 x 3.5mm Audio |
| Adaptive Sync | FreeSync |
| Special Features | Built-In Speakers, Blue Light Filter, VESA Mountable (100x100mm) |
| Item Dimensions (D x W x H) | 0.7"D x 21.5"W x 12.8"H |
| Item Weight | 5.5 pounds |
8. Warranty and Support
8.1 Warranty Information
This VisionOwl portable monitor comes with a 2-Year Manufacturer Warranty. Please refer to the warranty card included in your package or visit the official VisionOwl website for detailed terms and conditions.
8.2 Customer Support
If you require technical assistance, have questions about your product, or need to claim warranty service, please contact VisionOwl customer support through the contact information provided on the official VisionOwl website or your purchase platform.