Table of ContentsOperating Instructions 512/532 - 05.0 - 04/2018 11 About these instructions .................................................................... 51.1 For whom are these instructions intended? .......................................... 51.2 Representation conventions – symbols and characters ........................ 61.3 Other documents ................................................................................... 71.4 Liability .................................................................................................. 82 Safety.................................................................................................... 92.1 Basic safety instructions ........................................................................ 92.2 Signal words and symbols used in warnings....................................... 103 Operation ........................................................................................... 153.1 Threading needle thread ..................................................................... 153.2 Setting the needle thread tension........................................................ 163.3 Setting the thread regulator ................................................................. 173.4 Winding the hook thread ..................................................................... 183.5 Replacing the bobbin........................................................................... 203.6 Setting the hook thread tension........................................................... 223.7 Changing the needle ........................................................................... 233.8 Adjusting the button mount of the button clamp (Class 532)............... 253.9 Shank shaper (optional) ...................................................................... 273.10 Sewing................................................................................................. 284 Programming ..................................................................................... 294.1 Control panel ....................................................................................... 294.2 Switching on the machine ................................................................... 304.3 Referencing the machine .................................................................... 314.4 Selecting the seam appearance .......................................................... 314.5 Scaling the axes .................................................................................. 314.5.1 Scaling the X axis (software version up to M2.10) .............................. 314.5.2 Scaling the X axis (from software version M2.14) ............................... 324.5.3 Scaling the Y axis (software version up to M2.10) .............................. 324.5.4 Scaling the Y axis (from software version M2.14) ............................... 324.5.5 Recalculate the button hole clearance (class 532)(software version up to M2.08) ............................................................ 324.5.6 Recalculate the button hole clearance (class 532)(from software version M2.10)............................................................. 334.5.7 Recalculate the bartack dimensions (class 512)(software version up to M2.10) ............................................................ 334.5.8 Recalculate the bartack dimensions (class 512)(from software version M2.14)............................................................. 344.6 Setting the speed ................................................................................ 344.7 Checking the seam appearance.......................................................... 344.8 Changing the seam appearance ......................................................... 354.9 Bobbin winding .................................................................................... 35