Sony DVS-9000 用户手册

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C:\WINNT\Profiles\Administrator\Desktop\WORK_08_21\370467401
DVS9000WW\01GB06C04-WW.fm

Key Setting Operations Using Menus

  Chapter 4 

K

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ys

DVS-9000/9000SF

3-704-674-01 (1)

key, linear key, or chroma key: Press [Key Position], turning it on, 
and set the parameters.

To set the key priority: Press [Key Priority] or select VF7 ‘Misc’ and 

HF3 ‘Key Priority’ to access the Key Priority menu.

There are two types of composition for chroma keying: normal mix, and 
additive mix.
To carry out chroma key composition, use the following procedure.

In the M/E-1>Key1 menu, select HF1 ‘Type.’

Select [Chroma] in the <Key Type> group.

It becomes possible to adjust the key density (see page 202).

Select [Chroma Adjust].

The Chroma Adjust menu appears.

Carry out auto chroma key adjustments.

Also carry out manual adjustments if necessary to obtain an optimum 
chroma key image.

In the <Mix Mode> group, select [Normal Mix] or [Additive Mix] 
depending on the desired type of chroma key composition.

When using an additive mix for chroma keying, the (typically blue) 
background parts of the foreground video must be converted to black. For this, 
use the color cancel function (see page 205).

1

H Phase

Key horizontal position

−

4.00 to +4.00

2

Left

Key left edge position

−

4.00 to +4.00

3

Right

Key right edge position

−

4.00 to +4.00