Tektronix Grass Valley 3000 - Manual (Page 167)

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Preset Pattern Keying Operations
Preset Pattern Keying Operations
A preset pattern key ( Figure 4-9 ) cuts a key hole in the background
in the shape of a wipe pattern. The procedure for creating a preset
pattern key is as follows:
Select the Keyer KEY 1 , KEY 2 , or DSK button to delegate the keyer
you want to use.
1. Select a Key bus crosspoint to provide the fill video. For an
over-the-shoulder box, as shown in the figure, the fill video
would be a compressed picture from a DPM.
2. Select Keyer Subpanel PRI PST PTTN and VIDEO FILL buttons.
3. On the Wipe Subpanel, select the pattern buttons in the
pattern section. If you want to select a pattern from the menu,
press the
Menu button twice and select a pattern from the
Wipe Pattern Menu.
4. Select the PATTERN MIX button in the Pattern section and
adjust the pattern:
Size – Adjust the size of the pattern
Edge Width – Select BORDER and adjust WIDTH
Edge Softness – Select SOFT and adjust SOFTNESS
Edge Color – Select PRI WIPE using the MATTE SEL
button and adjust the Matte Subpanel
BRIGHTNESS , SAT , and HUE controls
Position – Adjust the joystick to move the pattern.
Press the POS CTR button if you want to
re-center the pattern.
Wipe Modifiers – Adjust the Aspect, Rotation, Direction,
Multiplication controls as desired.
Wipe Modulation Adjust as desired from the Wipe
Modulate Menu.