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Keyer Subpanels
When a split key is operational with an auto select key or a video
key, the SPLIT KEY indicator is lit.
Other Key Modifier Buttons
Pressing KEY OVER swaps the priority of the two keyers, KEY 1
and KEY 2, regardless of which keyer the subpanel is delegated to.
The KEY OVER button lights when the Keyer subpanel is
delegated to the key that is over the other. It may be pressed
whether or not either keyer is on-air.
In Layered mode, the KEY OVER button does not light if the keyer
subpanel is delegated to either background keyer, but the button
still controls the priority of Keyers 1 and 2. It does not affect the
priority of the background keyers, which have a fixed priority.
One of the two key
OVER indicators on the associated Transition
subpanel is always on, indicating the priority of Keyers 1 and 2.
The indicator is on regardless of the on-air status of either keyer.
The INV toggle button inverts the polarity of the delegated key
source. Inversion is applied to the incoming key source before key
processing is applied. INV operates in all keyers in layered mode.
The SHOW KEY button is used for viewing the key signal on a
particular keyer. This button does not affect the on-air video.
When held down, the Switched Preview bus output shows the key
signal from the keyer currently delegated to the Keyer subpanel.
The key signal displayed is the key after clipping, masking, and
chroma trapping have taken place.
The SHOW KEY button does not affect the program output of the
M/E or DSK, and operates in all keyers in layered mode.
SPLIT
KEY
KEY
OVER
OVER
INV
SHOW
KEY