This dialogue allows you to edit the exact time of a particular chapter. It will be input either of two formats

H:MM:SS:FF

In this format the time is from the start of the current video and in Hours, Minutes, Seconds and then Frames. If you have selected in the main encoder settings to use PAL format then there are 25 frames per second. For NTSC there are 29.97 frames each second.

Frames

In this format the time is frames from the start of the current video.