DigiDesign SYNC HD Manual page 76

Video In For all other combinations of Clock Ref-
erence and Positional Reference, VITC and char-
acter generator functions are applied to the
video signal arriving at the Video In connector.
In this way, the SYNC peripheral can read VITC
Figure 1. Video Input Flow diagram
70 SYNC HD Guide
from your videotape, or add VITC with or with-
out character generation (window burn) while
dubbing to a second VCR. In Figure 1 on
page 70, this scenario is identical to "Route B."