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Io HD Installation and Operation Manual — Using The AJA Control Panel
Control Tab Screen Settings
Default Video Output
—this is where you select what Io HD will output as a default
when no application has control of it, such as when the Finder is active. Since Io HD
can be controlled by software applications as well as its own control panel, the output
can change dynamically. Some video applications will grab control of the Io HD
inputs/outputs. These settings determine what happens when an application is active
that
does not
grab the Io HD inputs/outputs.
AJA Control Panel, Control Tab, Default Io HD Output Pulldown Menu
Default Io HD Output Choices and their meanings:
Input Pass through:
this selection directs Io HD to route video from its selected
input through the Io HD for processing and output. When this selection is in
effect, all Primary/Secondary Format selections are available for selection in
controlling the output. This in effect makes the Io HD a converter when used in
conjunction with the AJA Control Panel application and a Mac. No applications
other than the AJA Control Panel need to be open to convert audio and video
from one format to another. For example, if an SD source tape needs to be
dubbed to an HD tape, the signal might be routed from the SD VTR to the Io
HD, configured for upconversion in the Control Panel and then passed through
to the HD VTR for recording.
Test Pattern
: this selection directs Io HD to output a choice of preset pattern
when no other application is using the Io HD. In addition to the provided test
pattern choices, a “Load File...” selection at the bottom of the menu allows you to
load any standard Mac RGB graphics file (.tif, .psd, etc.) into the frame buffer for
display.
Note:
The graphic file will not be scaled to fit. If it's smaller than the current frame
buffer format, Io HD will center it in the frame. If it's larger than the current frame
buffer format, it will be cropped on the right and bottom. Also some graphics formats
and bit depths may not be supported. Once a graphic file is loaded into the frame
buffer it will be retained until it is overwritten by another graphic or test pattern, or
when power is turned off. Graphic file names are only “remembered” in the menu as
long as the AJA Control Panel application is running.
AJA Control Panel, Test Pattern Choices
Summary of Contents for io hd
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