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Tension correction
amount [%]
U202
100
0
100
U201
4-1-5. Right / left tension correction
Use the right / left tension correction according to the material, thread and application.
0
Bobbin
thread
remaining
amount [%]
5) Set "U201 Bobbin thread remaining amount
for starting correction" with numeric keypad
.
Using the aforementioned set value, deter-
mine the remaining amount of bobbin thread
indicated on the bobbin counter for starting
the needle thread correction.
Refer to
"5-5. Counter function" p.103
how to set the bobbin counter.
The set value can be reset to the initial value
of 50 by pressing
6) Set "U202 Final correction amount" with the
numeric keypad .
Using the aforementioned set value, deter-
mine the correction ratio of the needle thread
tension.
The set value can be reset to the initial value
of 120 by pressing
7) When
is confirmed and the screen is returned to
the "S079 Needle thread tension correction
screen".
* Refer to the figure on the left for the relation
between "U201 Bobbin thread remaining
amount for starting correction" and "U202
Final correction amount".
– 28 –
.
.
is pressed, the entered value
for
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