KD-VW4x4ProK - Electronics Key Digital - Free user manual and instructions
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| Product Type | 4x4 Video Wall Processor |
| Input Ports | 4x HDMI 2.0 |
| Output Ports | 4x HDMI 2.0 |
| Max Resolution | 4K UHD @ 60Hz (4:4:4) |
| HDCP Version | HDCP 2.2 compliant |
| Video Wall Configurations | 1x1, 1x2, 2x1, 2x2, 3x3, 4x4 |
| Bezel Compensation | Adjustable (pixel-based) |
| Control Interfaces | IR, RS-232, Ethernet (IP) |
| Scaling Engine | Built-in scaler per output |
| Cascade Support | Yes, for larger video walls |
| Power Supply | 100-240V AC, 50/60Hz |
| Power Consumption | 35W typical |
| Dimensions (W x D x H) | 430 x 200 x 44 mm (1U rack) |
| Weight | 2.5 kg |
| Operating Temperature | 0°C to 40°C |
| Cooling | Internal fan; ensure ventilation |
| Mounting | Rack-mountable with brackets |
| Safety Approvals | CE, FCC |
| Package Contents | Main unit, remote control, power cable, manual |
| Maintenance | Clean with dry cloth; keep vents free of dust |
| Repairability | No user-serviceable parts; contact technician |
| Warranty | 1 year limited parts and labor |
Frequently Asked Questions - KD-VW4x4ProK Key Digital
How do I set up a 2x2 video wall using the KD-VW4x4ProK?
Connect sources to the four inputs and displays to four outputs. Use the on-screen menu or web interface to configure rows and columns as 2x2. Set bezel compensation for seamless alignment.
What is bezel compensation and how do I adjust it?
Bezel compensation adjusts for the bezels of displays. In the output settings, enter the pixel width of each display bezel to properly align the image across the video wall.
What maximum cable length is recommended for HDMI inputs?
For 4K@60Hz, use certified HDMI cables up to 5 meters. With active cables or over HDBaseT, longer distances are possible but require additional equipment.
Can I control the KD-VW4x4ProK remotely over IP?
Yes, it supports IP control via a web interface and TCP/IP commands. Configure the unit's IP address in the network settings and connect through a browser or custom control system.
Does the unit support HDCP 2.2 content?
Yes, all inputs and outputs are HDCP 2.2 compliant, allowing protected 4K content to pass through.
How do I update the firmware?
Download the latest firmware from the Key Digital support website. Access the web UI under System > Firmware Update, select the file, and apply. Do not power off during the update.
Can I cascade multiple units for a larger video wall?
Yes, multiple units can be cascaded using the dedicated Cascade interface. This allows creating walls larger than 4x4. Refer to the user manual for daisy chain configuration.
How do I perform a factory reset?
Press and hold the reset button on the rear panel for 10 seconds. Alternatively, reset via web interface under System > Factory Reset.
Is the unit rack mountable?
Yes, it features a 1U rack-mountable chassis. Rack ears are included in the package.
What should I do if there is no signal on one output?
Check the cable and source. Verify the output is enabled and the video wall layout is correctly defined. Try swapping with a known working output to isolate the problem.
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