Tektronix Camcorder 2200 Manual Do Utilizador
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Section 2— Control Panel Descriptions
The
Video Store
and
Key Store
buttons select whether the Frame
Store subpanel is assigned to the video channel or key channel.
One of these buttons is always lit, and
One of these buttons is always lit, and
Video Store
and
Key Store
may be selected simultaneously.
Operations that can be independently set for video and key
channels are as follows:
channels are as follows:
■
Freeze
■
Grab
■
Field 1 and Field 2
When
Video Store
and
Key Store
are delegated simultaneously, the
key channel settings are automatically aligned with the video
channel settings.
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.
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
coming out of the frame store), pressing
Grab
turns on freeze.
Freeze can be turned off again by pressing the
Freeze
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.
and for a short instant afterward.
Key
Store
Store
Video
Store
Store
Freeze
Grab