Grass Valley 1200 Operation Manual - Manual (Page 186)

5-6
Section 5— Advanced Operations
Spotlight
You can create a spotlight effect using a Preset Pattern key as
shown in Figure 5-1.
Spotlight Method 1
1. Select Transition [BKGD] and [KEY 1] or [KEY 2] .
2. Select a [CROSSPOINT] on the PGM bus. Select the same
[CROSSPOINT] on the Key bus. Select [BLACK] on the Preset bus.
Watch the Preview monitor to see the effect take shape.
3. On the Keyer panel, select [ PRESET PATTERN] and [VIDEO FILL] .
4. On the Pattern panel, select the [CIRCLE] pattern. Also select
[MASK/PRESET PATTERN] and adjust (SIZE) to set circle size as seen
on the Preview monitor. Then turn on [POS] and use the
joystick to position the circle.
5. If necessary, select [BORDER] , [SOFT] , and [SYMM] and adjust
pattern edge (WIDTH) , (SOFTNESS) , and softness (SYMMETRY) .
Select Transition [MIX] and move the LEVER ARM partially off the
limit to create the spotlight effect.