Instruction manual

KONA LH/LHe Installation and Operation Manual — Using The KONA LH

Framebuffer—The framebuffer is the “engine” in the KONA LH card where

active video operations take place using Final Cut Pro, other 3rd-party

applications, or even KONA LH itself. The framebuffer has a format (called

the “Primary Format” and color space that it follows, as defined in the

Tabbed Windows or via external application software (such as the “Easy

Setups” in Final Cut). It is important to realize that inside the Macintosh

many applications can use the KONA LH card (as you switch from window

to window) and it may not always be obvious which currently controls it.

The KONA LH Control Panel displays the name of the application

controlling the card. In some cases, applications may not always properly

“let go” of the card as another takes over—you’ll be able to tell by looking at

the Control Panel.

Primary Format—The video format currently assigned to KONA LH. This is

the format that the framebuffer will use and is shown in the Control Panel

using the color blue. All icons in blue are the same as the Primary Format

used by the framebuffer. Also any text descriptions in the block diagram

that appear in blue also indicate that something is in the primary format.

So, for example, if you see that the input and output icons are blue, then

you know that the same format is used throughout the video path and that

no format conversion is being performed. If a different color is displayed on

the input or output, say green for example, then you know that KONA LH

is performing a format conversion in the video path.

Secondary Format—Any format other than the currently selected Primary

Format, is a secondary format. As described previously, this means that

either the Inputs or Outputs are somehow different from the framebuffer’s

assigned format (i.e., the “Primary Format”). This can be seen at a glance

because the color will be different than blue.

Input/Output Icons—The input and output icons are triangles that together

with their color show all the input and outputs and their status (selected,

not selected, input present or not, format, etc.). A complete video path is

shown when inputs and outputs are connected with lines going to/from the

framebuffer.

Input/Output Icon

Conversion Icon—When an input or output is a different standard than the

framebuffer’s then the KONA LH may down-convert the signal to standard

definition (if desired). The block diagram will show the conversion by

displaying a conversion icon in between the input or output and the

framebuffer.

Down Conversion Icon