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5.3 Adjusting the upper thread tension
The default setting of the upper thread tension is set automatically as soon as a stitch pattern or an
embroidery motif is selected.
The upper thread tension is set optimally at the BERNINA factory and the machine has been tested.
Metrosene-/Seralon thread size 100/2 (Company Mettler, Switzerland) is used for upper and bobbin thread.
When of using other types of sewing or embroidery threads, the optimal tension may vary. Therefore it may
be necessary to adjust the upper thread tension according to the sewing or embroidering project as well as
the desired stitch pattern or the embroidery motif individually.
The higher the upper thread tension, the tighter the upper thread which means that the bobbin thread is
pulled up to the top of the fabric. When the upper thread tension is low, the upper thread is less tightened
which means that the bobbin thread is pulled up less.
Alteration to the upper thread tension affect the currently selected stitch pattern or embroidery motif.
Permanent alterations of the upper thread tension for the Sewing Mode (see page 50) and for the
Embroidering Mode (see page 53) can be made in the Setup Program.
Prerequisite:
•
The upper thread tension has been altered in the setup program.
> Tap «Upper Thread Tension».
> Adjust the upper thread tension.
> Tap the yellow-outlined icon on the right side to reset the alterations to the default setting.
> Tap the yellow-outlined icon on the left side to reset the alteration to default setting in the Setup
Program.
Creative sewing
67
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