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Preset pattern keying operations – Tektronix Grass Valley 3000 User 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.