U1 LED video processor specifications and configuration
Availability notice: The existing listing states that the Kystar U1 is no longer in production. Confirm current supply or a suitable replacement with LED-Mall.
The Kystar U1 is an HD LED video processor with 1920 × 1200 output, five HD/SD input channels and accommodation for two LED sending cards. It supports image scaling, source switching, PC software control and offline scheduled tasks.
Technical specifications
| Parameter | Specification |
|---|---|
| Listed HD output | 1920 × 1200 pixels |
| Video input channels | 5 |
| Input interfaces | 1 × DVI, 1 × VGA, 1 × HDMI, 2 × CVBS |
| Sending-card accommodation | 2 cards; drawer-style installation; installed cards must be confirmed |
| PC control | RS232 serial connection with Kystar control software |
| Image adjustment | Full-screen scaling and partial-image display |
| Transition effects | Fade-in and fade-out |
| Setup | Color LCD panel and guided setup |
| Scheduled operation | Offline tasks for source switching and brightness changes |
Configuration for an existing LED display
Use the guided front-panel setup to match the input source and display layout. Connect a PC through RS232 for software control and scheduled tasks. Image scaling and partial-image display allow the source to fit the screen or show a selected area.
Confirm the fitted sending cards and their receiving-card compatibility before reconnecting an existing cabinet system. Accommodation for two cards does not establish which cards are supplied.
Frequently asked questions
Is the Kystar U1 still in production?
The existing listing states that the U1 is no longer in production. Confirm supply or a current replacement with LED-Mall.
Which inputs does the U1 provide?
The listed five channels are one DVI, one VGA, one HDMI and two CVBS inputs.
How do I configure the U1 from a computer?
Connect the PC through RS232 and use compatible Kystar control software. The original software links and specification are retained below.
Can the U1 display only part of the input image?
Yes. It supports partial-image display and switching between full and partial views.
Are LED sending cards included?
The chassis can accommodate two LED sending cards. Check the supplied configuration; card installation capacity does not mean cards are included.
Original product images and parameter reference




Specification and software downloads
Download Specification
Download Software
Kystar U1 Control Software (All Kystar Processor)
Kystar U1 Control Software (Three-in-One)








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