Ops 7–24 • Keying Vision Operator’s Manual (v12.0 MD)
Preset Pattern Key
A Preset Pattern Key is a key in which a hole is cut based on a wipe pattern that you select. The
pattern, which acts like the alpha used by the Auto Select key, is filled with video.
Use the following procedure to set up a Preset Pattern Key:
1. Press the SEL button on the Keyers Module for the Keyer you want to set up the Preset
Pattern Key on. The Key Bus for the selected crosspoint group is now assigned to the
Keyer you selected.
2. Select the video signal you want to use for the key on the key bus of the crosspoint
group. The video source name appears on the Keyer mnemonic on the Keyers Module.
3. Press PST PATT on the Keyers Module to select the key type. The PST Key Setup
Menu is displayed for the selected Keyer and a small triangle appears in the bottom left
corner of the Keyer mnemonic.
Note — If you have the Squeeze & Tease option installed for the selected MLE, the FLY KEY
turns on when you select PST PATT. Toggle FLY KEY off, unlit, to assign a Preset Pattern Key
to the keyer.
PST Key Setup Menu
4. Press Copy Up to display the PST Key Setup Menu in the upper display region.
5. Press Pattern Selection on the PST Key Setup Menu.
6. Select the pattern you want to use on the Pattern Selection Menu. You can select the
pattern on the menu directly, or use the keypad on the memory module to enter the
pattern button number (#xx). The Keyer applies the pattern selection as the alpha for the
key.
7. Adjust the size and softness of the key as follows:
• Use the Positioner to adjust the position of the pattern on screen. Not all patterns
can be adjusted for position.
•Use the Size knob on the PST Key Setup Menu, or twist the knob on the
Positioner, to adjust the size of the pattern.
•Use the Softness knob on the PST Key Setup Menu to adjust the softness of the
edges of the pattern.
8. Adjust the parameters of the selected pattern as follows:
• Press Modify Pattern on the Pattern Parameters Menu 1-2.
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