1. Tap the Compare button
   
   
   
   
2. Tap Select and choose a video from your Dartfish Express library
   
   
   
   
   
   
3. Each video has its own jog wheel - play each to find the point where you want to start comparing (the 'sync point')
   
   
   
   
4. Tap the Lock button
   
   
   
   
5. The videos now have a common jog wheel and can be played simultaneously
   
   
   
   
6. Tap Done when you have finished comparing the videos
   
   
   
   
7. Optionally, the comparison can be saved. You'll find it as a new video in your Dartfish Express library