1. Introduction
This manual provides essential information for setting up, operating, and maintaining your ViewSonic VG3456A 34-inch Ultrawide QHD 1440p IPS Monitor. Please read it thoroughly before use.
The ViewSonic VG3456A is designed to enhance productivity with its 34-inch ultrawide 21:9 WQHD (3440x1440p) IPS display and integrated docking capabilities. It features 100W USB-C power delivery, Gigabit Ethernet, and ergonomic adjustments for a streamlined workspace.
2. Safety Information
Observe the following safety guidelines to ensure proper operation and prevent damage:
- Ensure the monitor is placed on a stable, level surface.
- Do not block ventilation openings on the monitor.
- Use only the power adapter and cables provided by the manufacturer.
- Avoid exposing the monitor to moisture or extreme temperatures.
- Disconnect power before cleaning the monitor.
3. What's in the Box
Verify that all items are present in the product packaging:
- ViewSonic VG3456A Monitor
- Power Cable
- HDMI Cable
- USB Type-C Cable
- Quick Start Guide

Image: The contents of the ViewSonic VG3456A monitor box, showing the monitor, power cable, HDMI cable, USB Type-C cable, and a Quick Start Guide.
4. Setup
4.1. Stand Assembly
The monitor features an easy-to-install quick-release stand. Attach the base to the upright section, then secure the stand to the monitor. Refer to the included Quick Start Guide for detailed steps.

Image: A diagram illustrating the simple, tool-free assembly of the monitor stand, highlighting the quick-release mechanism.
4.2. Connecting Your Devices
The VG3456A offers versatile connectivity options:
- USB-C Connection: Connect your laptop or compatible device using the provided USB Type-C cable. This single cable can provide video, audio, data transfer, and up to 100W power delivery to your device.
- HDMI/DisplayPort: Use an HDMI or DisplayPort cable to connect to other video sources.
- Ethernet (RJ45): Connect an Ethernet cable to the RJ45 port for reliable network connectivity.
- USB Type-A: Utilize the integrated USB hub for connecting peripherals like keyboards, mice, or external storage.

Image: A detailed view of the monitor's rear panel, highlighting the HDMI, DisplayPort, 100W USB Type-C, 15W USB Type-C, USB Type-A, and RJ45 Ethernet ports.

Image: A laptop connected to the monitor with a single USB-C cable, illustrating how the monitor acts as a docking station to reduce cable clutter.
4.3. Power On
Connect the power cable to the monitor and a power outlet. Press the power button located on the monitor's front or bottom bezel.
4.4. Video: USB Type-C Connectivity Overview
Video: This video demonstrates the single-cable USB Type-C connectivity of ViewSonic monitors, showing how it simplifies connections for power, video, and data transfer.
5. Operating Your Monitor
5.1. On-Screen Display (OSD) Menu
Navigate the OSD menu using the buttons on the monitor's bezel to adjust settings such as brightness, contrast, color, input source, and ViewMode presets.
5.2. Ergonomic Adjustments
The VG3456A features an ergonomic stand allowing for tilt, swivel, and height adjustments to optimize your viewing comfort:
- Tilt: Adjust the screen's vertical angle (up to 40 degrees).
- Swivel: Rotate the screen horizontally.
- Height Adjustment: Raise or lower the screen to your preferred height.

Image: An illustration of the monitor's ergonomic capabilities, including tilt, swivel, and height adjustment, designed for user comfort.
5.3. vDisplayManager Software
The integrated vDisplayManager software provides quick and easy OSD control and customized screen templates for efficient multi-tasking. This software is available for download from the manufacturer's website.

Image: A visual representation of the vDisplayManager software interface, demonstrating its features for managing display settings and screen layouts.
5.4. Eye Care Technology
The monitor incorporates eye care technologies such as a Blue Light Filter and Flicker-Free display to reduce eye strain during extended use.

Image: A graphic explaining the monitor's eye care features, including Blue Light Filter and Flicker-Free technology, designed to enhance viewing comfort.
6. Maintenance
6.1. Cleaning the Screen
Gently wipe the screen with a soft, lint-free cloth. For stubborn marks, lightly dampen the cloth with water or a mild, non-abrasive screen cleaner. Avoid spraying liquid directly onto the screen.
6.2. Cleaning the Casing
Use a soft, dry cloth to clean the monitor casing. Do not use strong detergents or abrasive cleaners.
7. Troubleshooting
7.1. No Image on Screen
- Ensure the power cable is securely connected to the monitor and a power outlet.
- Verify that the video cable (USB-C, HDMI, or DisplayPort) is properly connected to both the monitor and your device.
- Check if the correct input source is selected in the OSD menu.
- Confirm your device is powered on and outputting a video signal.
7.2. Power Delivery Issues (USB-C)
- Ensure your device supports USB-C Power Delivery and is compatible with the monitor's 100W output.
- Try reconnecting the USB-C cable.
- If issues persist, try a different USB-C cable or power cycle the monitor and your device.
7.3. Network Connectivity Issues (RJ45)
- Verify the Ethernet cable is securely connected to the monitor and your network router/switch.
- Check your device's network settings.
8. Specifications
| Feature | Detail |
|---|---|
| Screen Size | 34 Inches |
| Resolution | 3440 x 1440 (WQHD) |
| Aspect Ratio | 21:9 |
| Panel Type | IPS |
| Refresh Rate | 100Hz |
| USB-C Power Delivery | Up to 100W |
| Connectivity | 2x HDMI 2.0, 1x DisplayPort (in), 1x 100W USB Type-C, 1x 15W USB Type-C, 4x USB Type-A, 1x Ethernet (RJ45) |
| Speakers | 2x 5-watt integrated speakers |
| Ergonomics | Tilt, Swivel, Height Adjustment |
| VESA Mount Compatible | Yes (100 x 100 mm) |
| Dimensions (LxWxH) | 9.3 x 32.2 x 21.02 inches |
| Item Weight | 19.4 pounds |

Image: A diagram illustrating the physical dimensions of the monitor, including screen size and overall measurements.
9. Warranty
The ViewSonic VG3456A monitor comes with a 3-Year Limited Warranty. For detailed warranty terms and conditions, please refer to the official ViewSonic website or the warranty card included with your product.

Image: An icon representing the 3-year warranty provided with the product.
10. Support
For technical assistance, product registration, or further information, please visit the official ViewSonic support website: www.viewsonic.com/us/support.
You may also contact ViewSonic customer support directly for assistance.





