Double click on the video track in the timeline to load into the viewer, and in the filter tab you will see all ythe controls for the timecode filter, which will let you move and resize.
The academy leader is a standard countdown, counting down 8 to 3 and then with one frame of 2, at which point there is a single frame beep on the sound track, i.e. the “two pop.”
The two pop is 1 frame of the tone from the bars and tone that are on your system or widely downloadable anywhere.