Bernette B44, B48 Tutorial - Basic Settings and Test Sewing

Thanks to this video, you can try out your overlocker by performing your first test stitch on a Bernette 48 or Bernette 44 machine. What basic settings are needed for your first stitches? How do the thread tension, stitch length adjustment, and differential feed settings work? How do you set the knife to the correct position, and how do you use the rolled hem lever and presser foot pressure dial?