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• Auto-thread tension
When the thread tension dial is set at AUTO for
automatic thread tension, the green light will be on.
For general sewing, set the tension dial at AUTO,
which covers a wide range of sewing conditions.
z Align the AUTO mark of the thread tension dial with the
indication line.
x The green light is on.
c Dispaly screen shows “AUTO”.
• Balanced thread tension
For straight stitch sewing, both needle and bobbin
threads will join at the middle of the fabric.
For zigzag stitch sewing, the needle thread will
appear slightly on the wrong side of the fabric.
q Wrong side of fabric
w Right side of fabric
e Bobbin thread
r Needle thread (Top thread)
Balancing thread tension
z
c
x
r
w
q
e
w
q
r
e
w
q
• Manual thread tension adjustment
You should adjust the tension manually if the green light q
blinks when a specific stitch is selected. The screen
shows the recommended tension setting w for the selected
stitch.
q Green light
w Recommended tension setting
If the needle thread is too loose, the needle thread loops
on the underside of the fabric.
q Wrong side of fabric
w Right side of fabric
e Bobbin thread
r Needle thread (Top thread)
t Tension dial
Turn the thread tension dial in the direction of the arrow
to increase the thread tension.
r
w
q
e
If the needle thread is too tight, the bobbin thread
appears on the right of the fabric.
q Wrong side of fabric
w Right side of fabric
e Bobbin thread
r Needle thread (Top thread)
t Tension dial
Turn the thread tension dial in the direction of the arrow
to decrease the thread tension.
t
t