J-Tech Digital JTECH-4KSP4, User Manual

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Video Resolution Down-scaling
The product supports video resolution down-scaling, the 4K input can be
automatically degraded to 1080p output for compatibility with 1080p display, shown
in the below chart.
Input Output
# Resolution Refresh
Color
Space
Downscale 1080p Specs
1 3840x2160 60Hz 4:4:4 Support 1080p@60Hz 4:4:4
2 3840x2160 30Hz 4:4:4 Support 1080p@30Hz 4:4:4
3 3840x2160 24Hz 4:4:4 Support 1080p@24Hz 4:4:4
4 3840x2160 60Hz 4:2:0 Support 1080p@60Hz 4:4:4
5 3840x2160 30Hz 4:2:0 Support 1080p@30Hz 4:4:4
6 3840x2160 24Hz 4:2:0 Support 1080p@24Hz 4:4:4
7 3840x2160 60Hz 4:2:2 Not Support N/A
8 3840x2160 30Hz 4:2:2 Not Support N/A
9 3840x2160 24Hz 4:2:2 Not Support N/A
Input/output Connection Set-Up Diagram:
SYSTEM CONNECTION
DOWN-SCALING
2