Adcom RD-230 Quick Start Manual page 7

Note: One interface cannot correspond to the contents of two output windows,
and if both SDI and HDMI are selected in one output window, it will output the
same content.
6. Decode the playback buffer
For a variety of different scenarios and networks, and to balance of real-time and
smoothness while decoding, the device provides a variety of buffering strategies
for users to choose from. According to the actual network situation settings, you
can choose a lower delay in the good network conditions, while a higher delay in a
poor network conditions.