Page 19 of the manual:

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0ahUKEwj5z82szIbVAhVl5oMKHZa1DfEQFggoMAA&url=http%3A%2F%2Fwww.supsew.com%2Fdownload%2FJuki%2FJuki%2520DDL-555-4%2520Instruction%2520Manual.pdf&usg=AFQjCNHWpK5Z6O9dSJs56ZlGi0K-AXJLLw&cad=rja