typical GC6880 - P34 Mode Selection for Constant-Stitch Sewing; P37 Wiper Function or Thread Clamp Pressure; P38 Trimmer Function Selection; P39 Presser Foot UP;Down at Intermediate Stop

Parameter Parameter Function Range Default Description
P34
Mode Selection for
Constant-Stitch Sewing
A/M A
A
：
One shot to pedal, it will automatic execute
Constant-Stitch
M
：
Pedal-controlled and motor can stop arbitrarily
P37
Wiper Function Selection or
Threa d Clamp Pressure Setting
0-11
8
0 : No Action 1: Wiper Action
2-11: Thread Clamp action and the pressure gradually
increased
）
P38 Trimmer Function Selection ON/OFF
ON
ON
：
Trimmer Valid
OFF: Trimmer Invalid
P39
Presser Foot UP / Down at
intermediate stop
UP/DN
DN
UP
：
Presser foot goes up automatically
DN
：
Presser foot keeps down
（
Controlled by heeling
pedal
）
P40
Presser Foot UP / Down after
Trimming
UP/DN DN
UP
：
Presser foot goes up automatically
DN
：
Presser foot keeps down
（
Controlled by heeling
pedal
）
P41
Display the sewing finished
quantity
0 Counting the finished-sewing quantity
P42
Information Display N-01
NO1 Elec trically controlled version serial
numbers
NO2 Selected needle ca ssette version
NO3 Speed
NO4 Pedals AD,
NO5 Positioning angle (0--359),
NO6 Under the positioning angle
NO7 Bus voltage AD
P43
Setting Direction of Motor
Rotation
CCW/CW CCW
CW
：
Clockwise
CCW
：
Counter Clockwise
P44
Brake force 0-31 16 Efforts to stop the machine when selecting
P45
Back-seam operation duty cycle
(%)
10-90 30 Back-seam action to periodic power output
P46
Motor stops with a reverse angle
after trimming
ON/OFF OFF
ON
：
It will automatic as reverse function after
trimming (angle adjustment according to the
parameter
【
047.TR8
】
OFF
：
No Function
P47
Adjustment of reverse angles
after trimming
50-200 160 Adjusting at reverse direction after trimming
P48
Low (Positioning) Speed
（
r/S
）
100-500
210
Setting Positioning Speed
P49
Trimming Speed
（
r/S
）
100-500
250
Adjusting trimming speed
P50 The time of Foot lifting 10-990
250
Adjustment of foot lifting action
P51
Duty-Cycle Setting for Foot
Lifter
（
%
）
10-90
30
Adjustment for Duty-Cycle of Foot Lifter /
Back-Tacking (Fine tuning ca n reduce the
over-heating)
P52 The time of Foot down 10-990
120
Adjustment of foot down action
P53
Cancel Foot Lifting when
Half-Heeling the Pedal
ON/OFF
OFF
ON
：
Pedal half heeling without foot lifting function.
OFF
：
Pedal half heeling with foot lifting function
P54
Trimming Time
（
ms
）
10-990
200
Trimming sequence time setting
P55 Setting Wiper Timing 10-990
380
Wiper sequence setting
P56
Needles Goes Up Automatically
as Pow er turned on
0-2
1
0: always not to find a position
1
：
: always looking for positioning
2
：
If the motor is positioned on the no longer find