Key Source Selection - Sony DVS-9000 System User Manual

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Key Source Selection

You can select either the key signals received from the switcher or the key
signals generated in the DME for application to the front and back of the image.
Selecting the key source signals
Note
When the shaped video setting (see page 554) is on, it is not possible to select
the key source. It is fixed as "Ext Key" as listed in the following.
1
In the DME menu, select VF6 'Input/Output' and HF2 'Video/Key.'
The Video/Key menu appears.
2
In the <Front Key> group or <Back Key> group respectively, press one of
the following, turning it on.
Ext Key: Use the key signal sent from the switcher as the key source.
Int Key: Use the full-size DME internal key signal as the key source.
Lum Key: Use the input video luminance signal as the key source.
3
When Ext Key or Lum Key is selected in step 2, set the following
parameters.
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2
Notes
• The Ext Key and Lum Key in the <Front Key> group share clip and gain
settings. Similarly, Ext Key and Lum Key in the <Back Key> group also
share clip and gain settings.
• The Ext Key parameter setting is only enabled when the shaped video
setting is off.
Parameter Adjustment
Key Density Key density
Parameter Adjustment
Clip Reference level for key signal
generation
Gain Key sensitivity
Setting values
0.00 to 100.00
Setting values
–7.31 to +109.59
–100.00 to +100.00
DME Special Effect Operations
557