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③
2-Pedal unit
1
）
Set the memory switches as follows.
Select the framed items.
U019
Selection of pedal
Standard pedal
: Standard pedal (2-step stroke)
: Optional pedal
: Optional pedal (2-step stroke)
U020
Selection of start pedal
: Standard pedal
: Optional pedal
U024
Ootional pedal 1 operation
: OFF when depressing pedal again
: OFF when detaching from pedal
U025
Ootional pedal 2 operation
: OFF when depressing pedal again
: OFF when detaching from pedal
1st step of the pedal: The presser foot comes down to its intermediate position. The presser foot goes
up by re-depressing the pedal.
2nd step of the pedal: When the presser foot is depressed when the presser foot is in its intermediate
position, the presser foot comes down to its lower end. When the presser foot is depressed again, the
presser foot goes up until its intermediate position is reached and stops there.
Start: When the pedal is depressed while the presser foot is in its lower end, the sewing machine starts
sewing.
2
）
Wiring diagram
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
+5V
PRSR
GND
+5V
START
GND
+5V
PRSL
GND
CN41
Start switch
Normal open
Presser foot switch 1st step
Normal open
Presser foot switch 2nd step
Normal open
MAIN PWB
3) Applicable connector
No. 1 2
Part No. HK016510090 HK016540000
Part name Housing Pin contact
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