1. Introduction
The Kramer VS-44H2 is a high-performance 4x4 matrix switcher designed for 4K@60Hz (4:4:4) HDR signals. This device reclocks and equalizes signals, enabling the routing of any one of four HDMI, HDCP-compliant sources to any or all four outputs simultaneously. It supports HDCP 2.2 and 1.4, ensuring compatibility with a wide range of modern and legacy equipment. This manual provides essential information for the proper setup, operation, and maintenance of your VS-44H2 unit.
2. Setup
2.1 Unpacking and Inspection
Carefully unpack the VS-44H2 unit and all accessories. Inspect the contents for any signs of damage. In case of damage or missing items, contact your vendor immediately.
2.2 Physical Installation
The VS-44H2 can be placed on a flat surface or rack-mounted. Ensure adequate ventilation around the unit to prevent overheating. Avoid placing the unit near heat sources or in direct sunlight.
2.3 Connecting the VS-44H2
Follow these steps to connect your matrix switcher:
- Power Off: Ensure all devices, including the VS-44H2, are powered off before making connections.
- HDMI Inputs: Connect up to four HDMI source devices (e.g., Blu-ray players, media servers) to the HDMI IN ports on the rear panel.
- HDMI Outputs: Connect up to four HDMI display devices (e.g., monitors, projectors) to the HDMI OUT ports on the rear panel.
- Power Connection: Connect the power adapter to the VS-44H2 power input and then to a suitable power outlet.
- Control Connections (Optional): For remote control, connect an RS-232 cable to the serial port or an Ethernet cable to the LAN port, if desired.
Once all connections are secure, power on your display devices, then your source devices, and finally the VS-44H2.
3. Operating the VS-44H2
The VS-44H2 can be operated via its front panel controls or through various remote control options.
3.1 Front Panel Controls
Figure 1: Front panel of the Kramer VS-44H2 Matrix Switcher, showing input/output selector buttons and status display.
- SELECTOR Buttons (IN/OUT 1-4): These buttons are used to select which input is routed to which output. Press an 'OUT' button (1-4) to select an output, then press an 'IN' button (1-4) to assign an input to that output.
- ALL Button: Routes the currently selected input to all outputs simultaneously.
- STO (Store) Button: Used to save current routing configurations as presets.
- RCL (Recall) Button: Used to load previously saved routing presets.
- LOCK Button: Locks the front panel controls to prevent accidental changes.
- EDID Button: Manages EDID (Extended Display Identification Data) settings. This allows the switcher to communicate optimal display parameters between sources and displays.
- MUTE/PATTERN Button: Toggles video output mute or displays a test pattern for troubleshooting.
- OUTPUT/INPUT Display: Shows the current routing status, indicating which input is connected to which output.
3.2 Basic Switching Operation
To route an input to a specific output:
- Press the OUT button corresponding to the desired output (e.g., OUT 1).
- Press the IN button corresponding to the desired input source (e.g., IN 2).
The display will update to show the new routing. To route one input to all outputs, select the desired input, then press the ALL button.
3.3 Advanced Features
- EDID Management: The EDID button allows you to cycle through various EDID modes or copy EDID from a connected display. Refer to the full product manual for detailed EDID configuration.
- Preset Management: Use the STO button to save up to 4 routing presets. Press STO, then one of the IN buttons (1-4) to save to that preset number. Use the RCL button, then an IN button (1-4) to recall a saved preset.
4. Maintenance
4.1 Cleaning
To clean the unit, disconnect it from the power source. Use a soft, dry cloth to wipe the exterior. Do not use abrasive cleaners or solvents, as these can damage the finish.
4.2 Firmware Updates
Kramer periodically releases firmware updates to improve performance and add features. Check the official Kramer website for the latest firmware and instructions on how to update your VS-44H2.
5. Troubleshooting
If you encounter issues with your VS-44H2, refer to the following common problems and solutions:
- No Video Output:
- Ensure all HDMI cables are securely connected.
- Verify that the correct input is routed to the desired output.
- Check if the display is powered on and set to the correct HDMI input.
- Try cycling the power on all connected devices.
- Adjust EDID settings using the front panel button or control software.
- Distorted or Flickering Image:
- Ensure HDMI cables are high-quality and rated for 4K HDR signals.
- Check cable lengths; excessively long cables may require active extenders.
- Verify source and display resolutions are compatible.
- Front Panel Controls Unresponsive:
- Check if the LOCK button is active. Press LOCK again to unlock.
- Power cycle the unit.
If problems persist, consult the comprehensive user manual available on the Kramer website or contact Kramer technical support.
6. Specifications
The following table outlines the key technical specifications for the Kramer VS-44H2:
| Feature | Specification |
|---|---|
| Model Number | VS-44H2 |
| Video Resolution | Up to 4K@60Hz (4:4:4) |
| HDR Support | Yes |
| HDCP Compliance | 2.2 and 1.4 |
| Inputs | 4 x HDMI |
| Outputs | 4 x HDMI |
| Connector Type | HDMI |
| Item Weight | 10 pounds |
| Package Dimensions | 17 x 9 x 2 inches |
| Manufacturer | Kramer Electronics |
7. Warranty and Support
7.1 Warranty Information
Kramer products are manufactured to high standards and are backed by a limited warranty. For specific warranty terms and conditions applicable to your VS-44H2, please refer to the warranty card included with your product or visit the official Kramer website.
7.2 Technical Support
For technical assistance, troubleshooting beyond this manual, or product inquiries, please contact Kramer technical support. Support resources, including FAQs, downloads, and contact information, are available on the official Kramer website: www.kramerav.com.
