Juki HZL-80HPA 197Stitch Sewing Machine 1Step Buttonhole, Font, Auto Thread, Start/Stop, Needle Up Down, Drop Feed, Case, 7Feet, 12Lb

Start/Stop Button. The color of the Start/Stop button indicates the status of the machine. [Green] Ready to start or　while sewing, [Red] Not ready to start, [Orange] In bobbin winding condition