Tc burnin, works in all versions of FCP
-Select all clips on timeline (apple-A)
-option-C brings up nest dialiog box> name= “burnin” hit OK
-select video
-effects > videofilters > video > timecode print
-option doubleclick the nest (video track) to open op the nest in the viewer
-click filters tab in the viewer
-choose mode>reader
-format 29.97(DF) (for a dv sequence or choose the format that matches your sequence.)
-check if burnin matches timecode top right readout of canvas.
If it doesn’t match mode=generator or there is a format mismatch between the tc of the timeline and the tc that the reader is set to.
-render