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Z-8550A, 8560A
3. FUNCTION SETTINGS
9
Memory switch No. 80 - 88
No. Initial value Setting range Setting details
80* 0 -7 - 7 Backward depression on (thread trimming) point for treadle
81* 0 -5 - 5 Backward depression 1
st
step on (presser foot lifting) point for treadle
82* 0 -5 - 5 Forward depression 1
st
step on (presser foot lowering) point for treadle
83* 0 -5 - 5 Forward depression on (starting) point for treadle
84* 0 -5 - 5 Variable speed range starting point for treadle
85* 0 -6 - 6 High speed range reaching point for treadle
86* 0 -2 - 2 Variable speed range starting point for standing operation variable speed pedal
87* 0 -2 - 2 High speed range reaching point for standing operation variable speed pedal
88* 0 0 - 2
Treadle speed curve
0: Constant
1: Curves downward
2: Curves upward
* : Settings indicated with * are enabled after the power is turned off and then back on again.
When the neutral position for the treadle is taken as “0”, depressing the treadle forward results in (+) values and depressing
the treadle backward results in (-) values, and these are added to or subtracted from the standard setting value.
(Ex. 1) No. 80 setting
(Ex. 2) No. 83 setting
(Ex. 3) No. 85 setting
2258M
2260M
2259M
Sewing
speed
Neutral
Treadle forward
depression stroke
Treadle backward
depression stroke
Sewing
speed
Sewing
speed
2257M
Treadle depression stroke
Sewing speed
Neutral
Treadle forward
depression stroke
Treadle backward
depression stroke
Neutral
Treadle forward
depression stroke
Treadle backward
depression stroke