Pfaff 2170 - Manual (Page 29)

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Setting the bobbin winding speed
You can select the speed in which the bobbin winding is wound when
the machine is stopped. In the context menu (A), you will fi nd an icon
called Winding speed. If you touch that icon, a pop-up will appear
where you can choose if you want the winding speed to be Slow,
Medium or High.
If you touch the Show Dialog icon, a window for selecting the speed
opens each time the bobbin winder is switched on.
The speed that you have selected can halved at any time by touching
the half speed button.
Note: If you wind the bobbin while the sewing machine is running, the winding speed is
automatically set to Low.
A