ALFAtron ALF-SUK4T, Instruction Manual, Page: 9 / 23

Alfatron ALF-SUK4T
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2.3 Video Resolution Down-scaling
The product supports video resolution down-scaling. The 4K input can be automatically
downscaled to 1080p output for compatibility with 1080p displays, as shown in the
below charts.
HDMI Output:
Input Output
# Resolution Refresh Color Space Downscale 1080p Specs
1 3840x2160 60 4:4:4 Support 1080p@60Hz 4:4:4
2 3840x2160 30 4:4:4 Support 1080p@30Hz 4:4:4
3 3840x2160 24 4:4:4 Support 1080p@24Hz 4:4:4
4 3840x2160 60 4:2:0 Support 1080p@60Hz 4:4:4
5 3840x2160 60 4:2:2 Support 1080p@60Hz 4:4:4
6 3840x2160 30 4:2:2 Support 1080p@30Hz 4:4:4
7 3840x2160 24 4:2:2 Support 1080p@24Hz 4:4:4
8 3840x2160 60 RGB Support 1080p@60Hz RGB
9 3840x2160 30 RGB Support 1080p@30Hz RGB
10 3840x2160 24 RGB Support 1080p@24Hz RGB
HDBT Output:
Input Output
# Resolution Refresh Color Space Downscale 1080p Specs
1 3840x2160 60 4:4:4 Support 1080p@60Hz 4:4:4
2 3840x2160 30 4:4:4 Support 1080p@30Hz 4:4:4
3 3840x2160 24 4:4:4 Support 1080p@24Hz 4:4:4
4 3840x2160 60 4:2:0 Support 1080p@60Hz 4:4:4
5 3840x2160 60 4:2:2 Support 1080p@60Hz 4:4:4
6 3840x2160 30 4:2:2 Not Support N/A
7 3840x2160 24 4:2:2 Not Support N/A
8 3840x2160 60 RGB Support 1080p@60Hz 4:4:4
9 3840x2160 30 RGB Support 1080p@30Hz RGB
10 3840x2160 24 RGB Support 1080p@24Hz RGB