SunStar SC 7900-Series User Manual page 46

(2) Operation process of "Auto thread trimming mode 1"
① feature: During pressing the pedals, the initial cutting and the final cutting is performed counting as much as the setting values
after sensor detecting.
② thread trimming process
Detect
the
sensor
(the
Start
➞ ➞ ➞ ➞
initial
stitching
end part
of the
sewing
machine)
(3) Operation process of "Auto thread trimming mode 2"
① feature: The sewing material is feeding as much as the stitches after detecting the sensor. When the movement stops, the initial
cutting and the final cutting start operating.
② thread trimming process
Detect
the
sensor
(the
Start
➞ ➞ ➞ ➞
initial
stitching
end part
of the
sewing
machine)
(4) Operation process of "Auto thread trimming mode 3"
① feature: During pressing the pedals, the value is sent to the setting value by counting the stitches after detecting the sensor.
Then the initial cutting starts working when taking your foot off the pedal. After that, the sewing material is automatically
feeding as fast as the counted values. When the feed is over, the final cutting starts operating.
② thread trimming process
Detect
the
sensor
(the
Start
➞ ➞ ➞ ➞
initial
stitching
end part
of the
sewing
machine)
46
Initial cutting
Stitch count:
setting stitch count
(refer to the
➞ ➞
parameter A-41)
Speed:
user pedal speed
Initial cutting
Stitch count:
setting stitch count
(refer to the
➞ ➞
parameter A-41)
Speed: established
speed (refer to the
parameter A-42)
Initial cutting
Stitch count:
setting stitch count
(refer to the
➞ ➞
parameter A-41)
Speed:
user pedal speed
Detect the
sensor
(the initial
➞ ➞ ➞ ➞
Stitching end part
of the
sewing
machine)
Detect the
sensor
(the initial
➞ ➞ ➞ ➞
Stitching end part
of the
sewing
machine)
Detect the
sensor
(the initial
➞ ➞ ➞ ➞
Stitching end part
of the
sewing
machine)
Final cutting
Stitch count:
setting stitch count
(refer to the
➞ ➞
parameter A-48)
stitching
Speed:
user pedal speed
Final cutting
Stitch count:
setting stitch count
(refer to the
➞ ➞
parameter A-48)
stitching
Speed: established
speed (refer to the
parameter A-42)
Final cutting
Stitch count:
setting stitch count
(refer to the
➞ ➞
parameter A-48)
stitching
Speed: established
speed (refer to the
parameter A-42)
Finish
Finish
Finish