Setting The Mtc Micro Thread Control - Bernina L 890 User Manual

Machine settings

7.9 Setting the mtc micro thread control

By default mtc micro thread control is always set to position «0». mtc micro thread control affects the
amount of looper threads around the fabric edge and can be adjusted continuously during sewing. This
feature makes it easy to achieve the look of the stitch at any given cutting width.
The mtc is most effective when used for a cutting width of 6 – 8 mm.
Between 5 – 6 mm the adjustment towards the minus «-» direction is limited.
Between 8 – 9 mm the adjustment towards the plus «+» direction is limited.
Prerequisite:
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> To enlarge the loops of the looper thread at the fabric edge, turn the mtc micro thread control during
> In order to adjust the mtc thread control in «+» direction when the machine is at rest, the thread loops
> To minimize the loops of the looper thread at the fabric edge, turn the mtc micro thread control in «-»
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The sewing test is performed.
The thread tension is set correctly.
The knife position is set correctly.
mtc (micro thread control) set to «0».
sewing in «+» direction.
must be pushed off the stitch finger so that the movement of the stitch finger is not limited.
direction during sewing.