i dont write the manuals.
i dont get a chance to check them either.

i make the software as self-documenting as i can.
then highend gets to do whatever.

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you dont need to access + 1hr or any other hour offset with mtc.
hours are just ignored.
you can use positive and negative offsets from this using the in and out points.

the maximum length of movie you can have is around 43 minutes because of the limitations of 16 bit dmx.