AJA IoXT - Manual (Page 30)

Io XT v10.4 www.aja.com 30
Control Panel Operation
Control Screen
The Io XT can be controlled by various software applications running on a host Mac. The
Control screen is where you select how the Io XT directs video and is used by application
software. This screen also provides control for configuring output timing with regard to
external reference video and horizontal/vertical delay.
At the top of the Control screen it will show the current Default Output and the
application currently controlling the Io XT.
Figure 26. AJA Control Panel, Control Screen
Control Screen Settings Default Output—this is where you select what Io XT will output as a default when no
application has control of the board, such as when the Finder is active. Since Io XT can be
controlled by software applications as well as its own control panel, the output can
change dynamically. When you select many video applications, they will grab control of
the Io XT inputs/outputs. These settings determine what happens when an application
that doesn't grab the Io XT inputs/outputs is active.
Default Output Choices and their meanings:
• Black: this selection directs Io XT to output video black whenever an application
isn't controlling the card.
• Input Pass through: this selection directs Io XT to route video from its selected
input through the card 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 XT a converter when used in conjunction
with the AJA Control Panel application and a Mac. No applications other than the