2.V-ADV Button: Please connect the Display that can support Dolby Vision to the
HDMI Output 1 Port( with “ADV”Letter mark), then press the “V-ADV” button for
three seconds, the device The “Min” and “Max” audio indicators on the upper
part flash, So the HDMI Output 1 port will output the video Dolby Vision format, the
other output port will may do not have video output if the connected display do
not support the video format Dolby Vision.
Note : 1. Scale Down function only support the same frame resolution
conversion, like the 4K@60HZ only can down to 1080p@60HZ,4K/24HZ only can
down convert to 1080P/24HZ.
2. Scale down function only support YCBCR 4:4:4 or 4:2:0 or RGB color
format, and it do not support YCBCR 4:2:2 video format.
3、 The Dolby Vision video format scale down function is not supported.
Spec: