Tektronix Grass Valley 3000 - Manual (Page 197)

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Keyframe Operations
The new rules are as follows:
■ If no delegated level has a keyframe at the current time
(location of cursor), an Insert operation does an insert “on the
path” on each delegated level. As before, an insert “on the
path” does not increase the overall length of the timelines.
■ If any delegated level has a keyframe at the current time, an
Insert operation does an insert “on a keyframe” on each
delegated level. An insert “on a keyframe” increases the
length of the timeline of each delegated level(s) by the
duration of the inserted keyframe (equal to the duration of the
current keyframe on the Master Timeline).
Note that in Constant Duration mode, inserting “on a
keyframe” is inhibited because that would add to the
duration of the delegated timeline.
These new rules apply to all corresponding Insert, Paste, and Mod
operations.
Changing An Existing Keyframe
Pressing the MOD button once enters any changes that have been
made on any delegated level on a single keyframe. A double press
of
MOD will make the same changes on all keyframes in the effect.
If you want to make a global change to all keyframes on one level
in an effect, use
MOD ALL ABSOLUTE (a selection in the Keyframe
Menu). This is a useful tool if you want to change all parameters
for all keyframes on a single level. For example, you could change
the background color from green to blue in all keyframes on a
level.
The effect of the Mod operation on each individual level depends
on whether the Time Cursor is on a keyframe or on-the-path on
that level, and whether changes have been made on that level.
On delegated levels that are on a keyframe, modification of the
keyframe occurs if something has changed. On delegated levels
that are not on a keyframe, an insert “on-the-path” is done if
something has changed.