Brother HE-800A - Manual (Page 70)

HE-800A
7. CORRECT USE
62
ዓ-ዑ-ዎ. Upper thread tension
Whip stitch (plain stitch)
Turn the tack tension control (1) to adjust the thread tension so that a clean whip stitch is obtained at the bar tacking
areas and the zigzag areas. There is no need to loosen the zigzag tension control (2) at this time.
* Bar tacking stitches and zigzag stitches are sewn at the tension which is set by the tack tension control (1), so that
zigzag tension is automatically disabled. If the zigzag tension control (2) is loosened, the upper thread trailing length
after upper thread trimming may become longer.
Purl stitch (seal stitch)
1. Turn the tack tension control (1) to adjust the thread tension so that a clean whip stitch is obtained at the bar tacking
areas.
2. Turn the zigzag tension control (2) while watching the looping of the zigzag stitch.
Upper thread tension for whip stitches
(with zigzag tension open)
When using a program that has whip stitches set,
press the RESET key to lower the work clamp, and
then take the measurement shown in the illustration.
Upper thread tension for purl stitches
(with zigzag tension closed)
When using a program that has purl stitches set, press
the RESET key to lower the work clamp, and then
take the measurement shown in the illustration.
1280Q 3957Q
2151Q
2152Q
Zigzag stitch
Bar tacking stitch