GDC SX-2001A SERIES User Manual page 19

Press and a frame number entry window opens up. Key in the desired frame number and
press Enter.
3 Press Marker to view any markers present in the composition.
If the composition does not contain any markers, a small window pops up to indicate that there
are no markers present.
4 To add an automation cue label, select the desired automation cue label from the dropdown list
as seen below.
2. SMS