KONA Capture, Display, Convert v15.2 34 www.aja.com
Test Pattern
This selection directs the KONA card to output a choice of preset pattern when
no other application is using the KONA card, and enables Playback Mode. The test
patterns you can choose are:
• Black, Color bars (75% or 100%), Ramp, Multiburst, Line Sweep, Multi Pattern,
or Flat Field.
In addition to the preset test pattern choices, a “Load File...” selection at the
bottom of the menu allows you to load any standard RGB graphics file (.tif,.psd,
etc.) into the framebuffer for display.
NOTE: The graphic file will not be scaled to fit. If it’s smaller than the current framebuffer
format, KONA will center it in the frame. If it’s larger than the current framebuffer
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
framebuffer 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 until the AJA Control Panel application closes.
Hold Last App
This selection directs KONA to hold and output the last frame of video from
the last application to control KONA, and enables Playback Mode. This can be
helpful when operating in an environment where you’re switching back and forth
between multiple application windows.
Playback Timing
Use these controls to set Genlock and Timing adjustment.
Genlock
Selects how KONA will synchronize program video:
• Freerun: In this mode, KONA generates sync without an external reference
source
• Ref In: Directs KONA to use the Ref Video source for sync (usually an analog
black burst video signal)
• Video In: Directs KONA to use whichever video input source has been selected
in the Inputs Screen for sync
NOTE: For best results when capturing using Avid Media Composer or AJA Control
Room, set Ref In to Video In with AJA KONA, AJA Io products and Avid DNxIV,
DNxIP.
Timing (Horiz and Vert):
These two pull-downs allow output timing adjustment with reference to the Ref
Video source selected:
• Horizontal selects a number of pixels (clocks) to offset
• Vertical specifies a number of lines to offset
