Blackmagicdesign ATEM mini Installation And Operation Manual page 114

Gain
Invert Key
Flying Key
Setting up a Luma/Linear Key on the Upstream Keyer using
ATEM 1 M/E Advanced Panel
1 Press the 'key 1' button to enable the keyer on the preview output. This
automatically selects the keyers menu on the system control LCD, but you can
also press the 'keyers' button to enter the menu directly.
2 Select the desired M/E keyer by pressing the corresponding soft button along the
top edge of the LCD menu.
3 Use the control knob underneath the 'key type' indicator to choose the 'luma' key.
4 Rotate the 'fill source' and 'key source' control knobs to choose a fill and key
source. You can also press the corresponding buttons on the source select bus to
select the fill and key source.
5 Once you have chosen a key type, fill and source, press the 'right' arrow button
to scroll through to the next menu item and use the control knobs to adjust key
parameters such as mask, gain, clip, enable or disable pre multiplied key, etc.
To set up a luma key on downstream keyer 1 on ATEM Mini Extreme:
1 Select the DSK1 button in the select bus.
2 Select the fill and key source from the select bus
3 Adjust the key parameters to refine the key in ATEM Software Control.
To set up a luma/linear key on downstream keyer in ATEM Software Control:
1 Select the downstream key 1 palette.
2 Use the menu controls labeled fill source and key source to specify the fill and key
sources. If performing a luma key, select the same source for both fill and key.
3 Adjust the key parameters to refine the key.
The gain adjustment electronically modifies the angle between on and
off thereby softening the edges of the key. Adjust the gain value until
the edge softness is desirable but the background video luminance or
brightness is not affected.
Inverts the key signal.
Enables/disables DVE effects.
Keying using ATEM Mini 114