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Section 2— Control Panel Descriptions
When Vand KEY 1 are delegated simultaneously, the key channel
settings are automatically aligned with the video channel settings.
The Freeze button provides a freeze/unfreeze function that
toggles between states. Press once to freeze, press a second time to
unfreeze. When enabled, this button stops data from being
written to the frame store, resulting in a frozen image.
Pressing the Grab button updates the frame store with new input
data and freezes the new data. If freeze is off (moving video is
coming out of the frame store), pressing Grab turns on freeze.
Freeze can be turned off again by pressing the FRZE button. If
freeze is on and Grab is pressed, the frame store is unfrozen for
two fields and then frozen again. The Freeze button remains lit to
indicate that freeze is still on. Since the GRAB button initiates a
single one-time action, it lights only while the button is pressed
and for a short instant afterward.
Field1 and Field 2 determine the field, or fields, that are read out
while the image is frozen. Either field may be selected, or both
may be selected at the same time. (When unfrozen, the Field
buttons have no effect.)
A full frame is always frozen, regardless of the state of these
buttons. This method of storage allows the operator to decide
between fields and frames after the image is frozen.
When an image is read from the frame store in field mode, the
“other” field is replicated from the selected field (indicated by the
illuminated Field 1 button), if REPLICATE mode is selected in the
Video Store menu. If INTERPOLATE mode is selected in the menu,
the “other” field is interpolated from the selected field.
Freeze
Grab
Field 2Field 1