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(10) Start and End B/T Stitch Number Correction Method
⑥ If you completed your selection, press the to save the value you chose.
⑦ You can change other specific items of the parameter in the same manner.
①The inertia tuning function is to find the motor's gain value that match the weights
inertia. Press buttons and simultaneously to return to the initial screen of
the inertia tuning.
② If the initial screen comes on, press the pedal until you hear the buzzer ring.
(During inertia tuning the sewing machine will operate and stop 10 times).
③ If the inertia tuning is completed, the buzzer will ring and the initial screen will come
on at the same time.
(11) Method of Use of the Inertia Tuning Function
<Inertia tuning initial screen>
<Initial screen>
① Corrections in the initial screen are the same as those in item (13) of the program unit
manual "Correcting method for when the B/T number differs by one stitch"
a. Check the present sewing condition.
b. Change the value of the part that needs correction (use
, , ,
buttons)
c. Save the programmed value(press the and buttons simultaneously).
→ You will go to the “bt-C”screen. The buzzer will sound three times and you will
return to the initial screen
② When making corrections of less than one stitch use items 30~33 of parameter Group
B and will correct to stage 0.05.
※ For detailed B/T stitch number correction method, refer to the section 3) of the Program Unit manual.
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Caution
•Be aware that if you changed the specific items of the parameter and didn't press the button, the changed
value will not be saved.
•If you change the parameter specific items carelessly, this may cause breakdown or physical damage to the
machine. Therefore, the user must be well-trained before changing items in the parameter group.
Caution
Inertia tuning is carried out only when the controller is attached to the sewing machine for the first time and when the
sewing machine is unable to accelerate or decelerate quickly.
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