KYStar U2 AV splicing processor
The KYStar U2 is a dual-output LED video processor for spliced screens, picture-in-picture and picture-outside-picture layouts. It supports synchronous multi-device cascading and fade-in/fade-out transitions between input signals.
Choose the output mode
- Splicing: the two outputs carry different parts of one image, with a stated maximum of 2560 × 1536 at 60 Hz.
- Copy: both outputs carry the same picture. The specification lists custom output resolutions of up to 2.6 million pixels in this mode.
- Monitoring: one output drives the LED screen while the other retains the original image for a local monitor.
Technical specifications
| Parameter | Specification |
|---|---|
| Standard video inputs | 1 × HDMI; 1 × DVI; 2 × VGA; 2 × CVBS |
| Video output channels | 2 |
| DVI loop | 1 |
| Maximum splicing resolution | 2560 × 1536 at 60 Hz |
| Copy-mode custom output | Up to 2.6 million pixels |
| Monitoring output | 1080p full-screen monitoring supported |
| Window functions | PIP, POP and PBP layouts |
| Cascade | Multi-machine synchronous cascade |
| Internal sending-card provision | Accommodation for 2 LED sending cards; confirm supplied configuration |
| Other functions | Usage records; engineering lock; synchronous audio/video transitions |
Audio specification note: The PDF states that U2 supports synchronous audio/video transitions, but the paragraph giving audio-port counts names KS800. Those counts are not treated as verified U2 specifications here. Confirm the actual audio connections before ordering.
Setup and operation
Image scaling and LED color-balancing functions help fit source material to the display. The engineering-lock feature can set an operating period; when the lock activates, the specification says video output stops until an unlock code is entered. Retain the required access information when configuring that feature.
Frequently asked questions
What is the U2 maximum splicing resolution?
The specification lists 2560 × 1536 at 60 Hz for splicing mode. Copy mode has a separate custom-output figure of 2.6 million pixels.
Can the U2 show picture-in-picture?
Yes. It supports PIP and POP arrangements through its PBP display functions, and can also serve two differently sized screens.
Are two sending cards included?
The PDF says the processor can accommodate two LED sending cards. It does not confirm that two cards are included with every supplied unit; verify the order configuration.
How does monitoring mode work?
One output drives the LED display while the other preserves the original image for a local monitor. The specification also lists 1080p full-screen monitoring support.
Why could an engineering lock stop the U2 output?
If the configured operating period expires, the documented engineering lock disables output until the unlock code is entered. Check that setting and retain the code when commissioning the processor.



Download Specification:
Download Software
Kystar U2 Control Software (All Kystar Processor)
Kystar U2 Control Software (Three-in-One)







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