Grass Valley DD35 Family v.3.1.5 - Manual (Page 207)

3. Menu Operation DD35 Production Switcher
3 – 55 Operating Instructions – Rev. 16 / 10.2001
3.7.3.2 Function Buttons
For details refer to section Introduction.
The PVW button displays the keying result or the mask signal on the preview moni-
tor, to permit key optimization.
Note: In Mask PVW mode, the mask is only represented as a 1-bit signal.
If you want to exactly position a mask with softness, simply switch on
the mask with the Mask on button in the Keyers panel.
Press the associated button to invert the mask signal. This means that, for
instance, with a rectangular mask, not the inside but the outside of the rectangle
is used for masking.
Press the associated button to select whether the mask should suppress (mask)
or force the foreground picture (Forced Foreground).
Select the M/E Wipe Select menu.
Press the associated button to reset the box mask to a default size or to the center
position.
Reset: Displays a mask in the center with a factory set size to start
the adjustment.
Center: A pre-adjusted mask is put to the center of the screen.
Delegate
PVW
Invert mask
Forced Foreground
Pattern Select
Default