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Function of soft-down of presser foot (with AK device only) (Function setting No. 70 and 49)
This function can softly lower the presser foot.
This function can be used when it is necessary to decrease contact noise, cloth defect, or slippage of cloth at
the time of lowering the presser foot.
Note : Change the time of function setting No. 49 together at the time of selecting the function of soft-down
since the sufcient effect cannot be obtained unless the time of function setting No. 49 is set longer
when lowering the presser foot by depressing the pedal.
0 to 500 ms
10 ms/Step
0 : Function of soft-down of presser foot is not operative. (Presser foot is rapid-
ly lowered.)
1 : Selection of function of soft-down of presser foot
Retry function (Function setting No. 73)
When the retry function is used, if the sewing material is thick and not pierced with needle, this function makes
the needle pierce in the material with ease.
0 : Retry function is not provided.
1 - 10 : Retry function is provided.
1: Needle-bar returning force before operating the retry function: 1
(small) - 10 (large)
Function of reducing speed of reverse feed stitching at the start of sewing (Function setting No. 92)
Function to reduce speed at the time of completion of reverse feed stitching at the start of sewing : Normal use
depending on the pedal condition (Speed is accelerated to the highest without a break.)
This function is used when temporary stop is used properly. (Cuff and cuff attaching)
0 : Speed is not reduced.
1 : Speed is reduced.
Sew without stopping
without a break.
Temporary stop
4 9 41 0
7 0 0
9 2 0
7 3 1
Function of pedal curve selection (Function setting No. 87)
This function can perform the selection of the curve of number of rotation of the sewing machine against the
depressing amount of the pedal.
Change to this function when you feel that inching operation is hard or that pedal response is slow.
Number of rotation
(sti/min)
Pedal stroke (mm)
0
1
2
Presser foot lifting solenoid suction time setting (Function setting No. 84)
Suction time of presser foot lifting solenoid can be changed. When heating is great, it is effective to lessen the
value.
(Caution) When the value is excessively small, malfunction will be caused. So, be careful when changing the
value.
Setting range : 50 to 250ms <10/ms>
0 : Number of rotation of the sewing ma-
chine in terms of the depressing amount
of the pedal increases linearly.
1 : Reaction to intermediate speed in terms
of the depressing amount of the pedal is
delayed.
2 : Reaction to intermediate speed in terms
of the depressing amount of the pedal is
advanced.
8 7 0
8 4 41 0
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