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Brother S-7200B Service Manual page 15

Single needle direct drive straight lock stitcher with thread trimmer
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Function No. 29 − 40
No.
Initial value
29*
0
150
30
(ms)
31
0
32
300 (ms)
33
0
34
0 or 1
35
0
180
(seconds)
36
(3 minutes)
37
0
38
40 (ms)
(NOTE 12)
39
12
(NOTE 13)
40
0
(NOTE 8) Adjustment of Function No. 39 is necessary.
(NOTE 9) Adjustment of Function No. 38 is necessary.
(NOTE 10) Duty during chopping can be changed using Function No. 115.
(NOTE 11) Duty during chopping can be changed using Function No. 116.
(NOTE 12) Only enabled when Function No. 35 is set to "1".
(NOTE 13) Only enabled when Function No. 35 is set to "0". If set to "10", response is fastest and operating noise is greatest.
(NOTE 14) Setting is only enabled when DIP switch 1 is set to OFF.
*...
Enabled if the control box model is MD-741A/ 751A.
**...
(Alternating): The presser foot is raised or lowered each time the optional actuator is pressed.
(Momentary): The presser foot is raised only while the optional actuator is being pressed.
Setting range
Actuator function while sewing machine is stopped
0: None
0 – 3
1: Solenoid-type presser foot lifter is raised (alternating**)
2: Solenoid-type presser foot lifter is raised (momentary**)
3: Quick reverse mechanism operates
0 – 500
Delay time until motor starts operating when using automatic presser lifter
(ms)
and the presser foot is raised when sewing starts
Stopping during start backtacking and speed during start backtacking
0: When treadle is returned to neutral, start backtacking finishes and then
operation stops, and the speed is the start backtacking (constant) speed
0 – 1
1: When treadle is returned to neutral, stopping is possible while start
backtacking is in progress, and the start backtacking speed corresponds
to the treadle depression amount (low speed up to start backtacking
speed)
10 − 990 (ms)
Presser foot lifter solenoid fully ON time
Operation during pleat sewing setting
0: Reverse sewing operation when actuator switch is ON
0 – 1
1: Fixed stitch sewing operation when actuator switch is ON
(fixed stitch sewing recall function)
0 – 1
[Do not change this setting]
Presser foot soft down mode
0 – 1
0: Automatic mode (See NOTE 8)
1: Manual mode (See NOTE 9)
Presser foot lift time
0 – 240
0: No timer function (does not drop)
(seconds)
1−240: Presser foot drops after set time
Automatic presser foot lifter type
0 – 1
0: Solenoid type (See NOTE 10)
1: Pneumatic type (See NOTE 11)
Delay time for presser foot lifter solenoid to turn on after presser foot drop
20 – 120 (ms)
command
Voltage detection constant for presser foot lifter solenoid to turn on after
10 – 12
presser foot drop command
Operation after knee switch is used to raise and lower presser foot (See
NOTE 14)
0 – 1
0: Presser foot cannot be raised and lowered by depressing the treadle
backward
1: Above operation is possible
3. FUNCTION SETTINGS (OPERATION PANEL)
Setting details
S-7200B
8

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