1. Introduction
Thank you for choosing the Unitek HDMI KVM Switch. This device allows you to control two computers using a single monitor, keyboard, and mouse, along with sharing up to four USB 3.0 peripherals. It supports high-resolution video output up to 4K@60Hz and offers fast data transfer speeds. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance.
2. Package Contents
- 1 x Unitek HDMI KVM Switch
- 2 x USB A to A Cables
- 1 x Desktop Controller
- 1 x DC 5V/2A Power Adapter
- 1 x User Manual (this document)
Figure 2.1: Illustration of all items included in the Unitek HDMI KVM Switch package.
3. Product Overview
The Unitek HDMI KVM Switch is designed for efficiency and convenience. Below are the key components and their functions.
3.1 Device Layout
Figure 3.1: Detailed diagram showing the front and rear panels of the Unitek HDMI KVM Switch with all ports labeled.
Front Panel:
- Switch Button: Press to manually switch between PC1 and PC2.
- PC1/PC2 Indicators: LEDs illuminate to show which computer is currently active.
- Extend Switch Port: Connects to the external desktop controller for remote switching.
- USB 1-4 Ports (USB 3.0): Connect your keyboard, mouse, USB drives, printer, and other USB peripherals.
Rear Panel:
- HDMI OUT (Monitor): Connects to your display monitor.
- PC 2 IN (USB2 & HDMI2): Connects to your second computer (USB-A and HDMI).
- PC 1 IN (USB1 & HDMI1): Connects to your first computer (USB-A and HDMI).
- DC 5V Port: Connects to the included 5V/2A power adapter.
4. Setup Instructions
Follow these steps to set up your Unitek HDMI KVM Switch.
- Power Connection: Connect the DC 5V/2A power adapter to the 'DC 5V' port on the KVM switch and plug it into a power outlet. This ensures stable performance, especially when using multiple USB devices.
- Monitor Connection: Connect your monitor to the 'HDMI OUT' port on the KVM switch using an HDMI cable (not included).
- Computer 1 Connection:
- Connect an HDMI cable from your first computer's HDMI output to the 'HDMI 1' port on the KVM switch.
- Connect one of the included USB A to A cables from your first computer's USB port to the 'USB 1' port on the KVM switch.
- Computer 2 Connection:
- Connect an HDMI cable from your second computer's HDMI output to the 'HDMI 2' port on the KVM switch.
- Connect the second included USB A to A cable from your second computer's USB port to the 'USB 2' port on the KVM switch.
- Peripheral Connection: Connect your keyboard, mouse, USB flash drives, printer, or other USB 3.0 devices to the 'USB 1-4' ports on the front panel of the KVM switch.
- Desktop Controller (Optional): If desired, connect the desktop controller to the 'Extend Switch' port on the front panel. This allows for remote switching.
Figure 4.1: Visual guide for connecting two computers, a monitor, and USB peripherals to the KVM switch.
5. Operating Instructions
The Unitek HDMI KVM Switch offers two convenient methods for switching between connected computers.
5.1 Switching Methods
- Front Panel Button: Press the 'Switch' button on the front panel of the KVM switch to toggle between PC1 and PC2. The corresponding LED indicator will light up to show the active computer.
- Desktop Controller: If you have connected the external desktop controller, simply press the button on the controller to switch between PC1 and PC2. This is ideal for keeping the main KVM unit out of sight for a cleaner desk.
Figure 5.1: Demonstrates both the front panel button and the desktop controller for switching between computers.
5.2 Video Demonstration
For a visual guide on how to use the Unitek 2-in-1-out HDMI KVM Switch, please watch the official product video below.
Video 5.1: An official Unitek video demonstrating the features and functionality of the HDMI KVM Switch, including connection and switching.
6. Features & Performance
- High Resolution: Supports resolutions up to 4K@60Hz, including 4K@30Hz, 2K, 3D, and 1080P. Compatible with HDMI 2.0, HDCP 2.2/1.4, USB 2.0, 3D, and HDR.
- Fast Data Transfer: Four USB 3.0 ports provide data transfer speeds of up to 5Gbps, significantly faster than USB 2.0 (480Mbps).
- Wide Compatibility: Compatible with various input devices (PCs, laptops, PS4) and operating systems (Windows 7/8/10/11/Vista/XP, Linux, Mac).
Figure 6.1: Comparison illustrating the clarity of 4K@60Hz resolution supported by the KVM switch.
Figure 6.2: Visual representation of the high-speed 5Gbps data transfer capability of the USB 3.0 ports.
Figure 6.3: Icons representing the broad operating system compatibility of the KVM switch.
7. Troubleshooting
If you encounter issues with your Unitek HDMI KVM Switch, please refer to the following common problems and solutions:
- No Display on Monitor:
- Ensure all HDMI cables are securely connected to both the KVM switch and your computers/monitor.
- Verify that the KVM switch is powered on and the correct PC indicator LED is lit.
- Try connecting the monitor directly to the computer to rule out monitor or cable issues.
- Restart the computers and the KVM switch.
- Keyboard/Mouse Not Responding:
- Ensure the USB A to A cables are securely connected between the KVM switch and both computers.
- Check that your keyboard and mouse are connected to the 'USB 1-4' ports on the front panel of the KVM switch.
- Try connecting the keyboard/mouse directly to the computer to confirm they are functional.
- Some specialized gaming keyboards/mice may require direct connection to the computer or specific drivers.
- Intermittent Connection/Flickering Screen:
- Ensure the DC 5V/2A power adapter is connected and providing stable power. High-power USB devices can draw significant current.
- Use high-quality HDMI cables, especially for 4K resolutions.
- Reduce the display resolution or refresh rate to see if the issue persists.
- Slow USB Data Transfer:
- Ensure you are using USB 3.0 compatible devices and cables.
- Verify that the USB ports on your computers are USB 3.0.
8. Specifications
| Product Dimensions | 3.94 x 1.97 x 0.79 inches |
| Item Weight | 0.49 Kilograms (1.08 Pounds) |
| Model Number | AR-H3198 |
| Brand | Unitek |
| Hardware Interface | USB, HDMI |
| Compatible Devices | Headphones, Laptops, Microphone, Personal Computer, PS4 |
| Total USB Ports | 4 (USB 3.0) |
| Total HDMI Ports | 2 (Input), 1 (Output) |
| Input Voltage | 5 Volts (DC) |
| Resolution Support | Up to 4K@60Hz (also 4K@30Hz, 2K, 3D, 1080P) |
| HDMI Standard | HDMI 2.0 |
| HDCP Support | HDCP 2.2/1.4 |
9. Maintenance
To ensure the longevity and optimal performance of your Unitek HDMI KVM Switch, please follow these maintenance guidelines:
- Keep the device in a cool, dry place away from direct sunlight and heat sources.
- Avoid exposing the device to moisture or liquids.
- Clean the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Ensure proper ventilation around the device to prevent overheating.
- Avoid bending or stressing cables excessively, especially at connection points.
10. Warranty and Support
Unitek products are designed for reliability and performance. For specific warranty details and support, please refer to the warranty card included in your package or visit the official Unitek website.
If you encounter any issues or have questions regarding your Unitek HDMI KVM Switch, please contact Unitek Customer Support through their official channels. Provide your product model number (AR-H3198) and a detailed description of the issue for faster assistance.
Online Support: www.unitek-products.com
