Sdi Out Screen - AJA io 4k Installation And Operation Manual

Audio Input

SDI Out Screen

SDI Output 1 and 2
Io XT/4K v12.4
This pulldown menu allows you to pick where the audio comes from. Io XT/4K supports
up to 16 channels of embedded audio. Here you can also select which two channels from
the 16 embedded would be mapped to your editing application if only two channels
were selected in that application.
The SDI Out screen shows the current settings for the SDI outputs. Because the outputs
can be configured independently, one output may be the Primary format and the other
output may be the Secondary format. If an input/output has no video, it will be indicated
on the block diagram ("No Video").
Configure SDI Out 1 and 2 via pulldowns:
Figure 14. AJA Control Panel, SDI Output Screen
• Primary - When selected, this indicates that the SDI output is set to the same format as
the framebuffer. That value will be listed in blue.
• Secondary - When selected, this indicates that the SDI output is set to a format
different from the framebuffer (Primary Format). That secondary format value will be
listed in green. This shows that active processing of the video is taking place (format
change and possibly even up/down-conversion).
• Video+Key - When selected, this indicates that the SDI 1 Output video is set to the
same format as the framebuffer. SDI 2 Output is set to a video key signal associated
with SDI 1 (the shape to be cut out from the video - this will appear as a black and white
image/matte). Using the second Io XT output as an Alpha Channel key, with the video
output, may be useful for feeding production switchers, DVEs or other professional
video equipment.
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