Brother International VX-810 Users Manual - English - Page 17
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PERFECT STITCHING The tension of the upper and lower threads should be equal and just sufficiently strong to lock both threads in the center of the work. I Perfect stitch shows flat and no puckering result on the material. e 0 INCORRECT STITCH (A) The upper thread lies on the surface of the material by pulling the lower thread up as shown. This is caused by tight tension on the upper thread or loose tension on the lower thread. To correct this, turn the upper thread tension dial to a lower number. When perfect stitch cannot be obtained by only upper thread tension dial, adjust the bobbin tension accordingly. 5 0 its 0 INCORRECT STITCH (B) The lower thread lies on the under surface of the material by pulling upper thread down as shown. This is caused by loose tension on the upper thread or tight tension on the lower thread. To correct this, turn the upper thread tension dial to a higher number. When perfect stitch cannot be obtained by only upper thread tension dial, adjust bobbin tension accordingly. NOTE: We recommend you to make test samples before starting to sew. - 15 -