Brother T-8421D Instruction Manual page 52

Slow start
The slow start pattern at the sewing start after thread trimming can be set.
Sewing is carried out without slow start operation.
Sewing is carried out according to slow start pattern 1.
1st stitch: 400 sti/min
2nd stitch: 400 sti/min
3rd stitch: 400 sti/min
4th stitch: 4000 sti/min
Sewing is carried out according to slow start pattern 2.
1st stitch: 400 sti/min
2nd stitch: 400 sti/min
3rd stitch: 4000 sti/min
4th stitch: 4000 sti/min
Sewing is carried out according to slow start pattern 3.
1st stitch: 700 sti/min
2nd stitch: 700 sti/min
3rd stitch: 4000 sti/min
4th stitch: 4000 sti/min
Sewing is carried out according to slow start pattern 4 (original pattern).
1st stitch: Speed set by memory switch No. 403
1st stitch: Speed set by memory switch No. 404
1st stitch: Speed set by memory switch No. 405
1st stitch: Speed set by memory switch No. 406
Setting details
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