| Button | What it does |
 | Plays current file. When a file is playing, the Play button becomes inactive. |
 | Stops playing current file. |
 | Jumps to the beginning of the file. |
 | Jumps to the previous frame. |
 | Jumps to the next frame. |
 | Jumps to the end of the file. |
 | Loops playback. |
 | Inserts a new marker into the current position. |
 | Deletes current interval. |
 | Enables full screen playback. |