Grass Valley 1200 Operation Manual - Manual (Page 175)

4-13
Preset Pattern Keying
Preset Pattern Keying
A preset pattern key (Figure 4-5) 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:
1. Select the Keyer [Key 1] , [Key 2] , or [DSK] button to
delegate the keyer you want to use.
2. 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.
3. Select Keyer [Preset Pattern] and [Video Fill] .
4. Select a [pattern] button in the Pattern section. If you want to
select a menu pattern, press the [Menu] button in the Pattern
section and select a pattern from the display menu.
5. Select the [Mask/Preset Pattern] button in the Pattern
section and adjust the following pattern modifiers:
Size – Adjust the size of the pattern.
Edge Width – Select [Border] and adjust (Width).
Edge Softness – Select [Soft] and adjust (Softness).
Edge Color – Select Matte [Preset Border] and
adjust
the Matte [Lum] , [Sat] , [Hue] , and
[Opacity] controls.
Position – Turn on the [Pos] button and move the
joystick to move the pattern. Press the
[Center] button if you want to re-
center
the pattern.
Aspect, Rotation, – Select the Pattern [Menu] button or the
Modulation, [Wipe] top menu button to bring up
Multiplication the wipe menus. Adjust as desired.