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Brother S-7200B Service Manual page 22

Single needle direct drive straight lock stitcher with thread trimmer
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3. FUNCTION SETTINGS (OPERATION PANEL)
Function No. 73 − 79
No.
Initial value
73
90 (ms)
(NOTE 23)
74
15 degrees
75
-30 degrees
76
-30 degrees
77
15 degrees
(NOTE 24)
78
180
(NOTE 25)
(degrees)
79
100 (ms)
(NOTE 26)
(NOTE 23) Setting is enabled when Function No. 63 is set to "1".
(NOTE 24) Setting is enabled when Function No. 22 or No. 26 is set to "1".
(NOTE 25) Setting is enabled when Function No. 68 is set to "1". The stopping position is the angle after the need up signal
turns on.
(NOTE 26) Setting is enabled when Function No. 68 is set to "1". The reverse feed mechanism switches at the stopping
position.
When the stopping time has elapsed, the sewing machine restarts automatically.
<Settings for Function Nos. 74
・ If the values are set to values that are less than the initial value (- direction), the quick reverse solenoid on/off timing
becomes faster. If the seam length immediately before switching occurs is short, change the setting to a value in the -
direction.
・ If the values are set to values that are greater than the initial value (+ direction), the quick reverse solenoid on/off timing
becomes slower. If the seam length immediately after switching occurs is short, change the setting to a value in the +
direction.
15
Setting range
50 – 150 (ms)
Thread trimming on time
-345 – 345
Quick reverse solenoid on timing during start backtacking/continuous
(degrees)
backtacking
-345 – 345
Quick reverse solenoid off timing during start backtacking/continuous
(degrees)
backtacking
-345 – 345
Quick reverse solenoid off timing during end backtacking
(degrees)
-345 – 345
Quick reverse solenoid on timing during end backtacking
(degrees)
0 – 350
Pause position when switching feed direction
(degrees)
10 – 500 (ms)
Pause time when switching feed direction
77>
Setting details
S-7200B

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