AJA KONA 3G Instruction Manual Page 22

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14
HDMI and Analog Output in 4K Format
When the KONA 3G is in 4K Mode with a 4K format selected, the HDMI and Analog Outputs
can be selected to display one of the four 4K picture quadrants for output. A quadrant
selection menu is provided in their respective AJA Control Panel tabs. (refer to “Using 4K
Mode” on page 62).
Reference Video
A single BNC connector is standard on the KONA 3G cable (self terminating). Two BNC
connectors are standard on the breakout box (these provide loop through: if ref is not looped
out, a 75 ohm terminator should be used for the loop out connector). Reference allows you to
synchronize KONA 3G outputs to your house analog reference video signal (or black burst). If
you have a sync generator or central piece of video equipment to use for synchronizing other
video equipment in your studio, then connect its analog composite output to the KONA 3G
reference input. When KONA 3G outputs video it uses this reference signal to lock to. When
connecting a reference video source, the locking signal should be the same format in Hz
(1080i29.97, 625i25, etc.) as the Primary format selected in the AJA Control Panel. It is possible
in some circumstances to use an alternate format video signal as long as the basic frame rate
is compatible (for example, using a 525i29.97 genlock signal to lock a system running
1080i29.97)—if the Hz coincide.
In This Manual
Chapter 1 is the introduction youre reading, listing features, box contents, and system
requirements.
Chapter 2 provides complete instructions for installing and configuring the AJA KONA 3G
card. The user is guided through unpacking, installing the card into a MacPro or PC tower,
cabling the system, installing KONA 3G Mac and PC Driver Software. Information is also
provided on the use of genlock/external reference.
Chapter 3 discusses operational aspects of KONA 3G when used with the AJA Control Panel.
Chapter 4 discusses troubleshooting problems with your system and what to do when there’s
a problem you can’t solve.
Appendix A presents a list of technical specifications for the product.
Finally, an index section helps you rapidly find topics in the manual.
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