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2-20
Section 2— Startup and Configuration
Using Field Dominance
If the Model 2200 output is going to be recorded onto tape that will
later be edited along with other tape, it is important that changes
take place consistently on the same field. They can occur on either
Field 1 or Field 2 of the frame, but need to be on the same field
every time. If this is not done, there will be a “flash” at the edit in
the resulting taped video.
With FIELD 1 selected as the dominant field, if a change takes place
just prior to Field 1, the change will become effective at the
beginning of Field 1. But if the change takes place prior to Field 2,
the change will be delayed by one field so that it also becomes
effective at the beginning of the next Field 1. This way, all changes
will be synchronized to take place at the beginning of Field 1.
Similarly, if
FIELD 2
were selected as the dominant field, those
changes that take place prior to Field 1 would be delayed until
Field 2.
If you are recording the switcher output on video tape and will be
doing post-production editing of the tape, it is recommended that
you set Field Dominance for a specific field (either FIELD 1 or FIELD
2
), and leave it at that setting. This will ensure that all changes will
take effect consistently on the same field.
If an Editor or a GPI trigger initiates one of these functions, it will
produce the same effect as a control panel change. That is, the
initiation of any of these functions will be delayed until the
beginning of the selected dominant field.