Sony CCP-8000 Series User Manual page 252

Selecting the key type
[LUM] button: Selects a luminance key.
[LIN] button: Selects a linear key.
[CRK] button: Selects a chroma key.
[WIPE PTN] button: Selects a key wipe pattern key.
Adjust the parameters for each type with the adjustment knobs. For details of
the parameters, see the following sections.
Luminance key: "When the [LUM] or [LIN] button is lit green" (page 235)
Linear key: "When the [LUM] or [LIN] button is lit green" (page 235)
Chroma key: "When the [CRK] button is lit green" (page 236)
Key wipe pattern key: "When the [PTN] button is lit green" (page 236)
Selecting the key source
[AUTO SEL] button: The signal assigned as a pair with the key fill bus signal
for the key row button in the cross-point control block is automatically
selected.
[SPLT] button: Select a different signal manually. To make the selection, hold
down this button, and press the button assigned to the signal you want as
key source in the cross-point control block.
You can also use the same signal as the key fill selected on the key fill bus as
key source (SELF). Press the [AUTO SEL] button and [SPLT] button
simultaneously so that both are off, to select the SELF mode.
Setting auto chroma key
[SMPL MARK] button: Toggles the sample mark display on and off. When
on, the monitor screen shows the foreground video and a white box sample
mark.
[AUTO STRT] button: Automatically adjusts the chroma key. When the
[SMPL MARK] button is off, pressing this does not carry out automatic
chroma key adjustment.
You can adjust the display position and size of the sample mark with the
adjustment knobs.
For details of these parameters, see "Making auto chroma key adjustments"
(page 209).
Setting the show key function
[SHOW KEY] button: When this is pressed, the key source signal to which
key processing has been applied is output from the specified output port
(show key mode).
For details, see "Using the show key function" (page 246).
Key Adjustment Operations With the Multifunction Flexi Pad Control Block
251