Brother International S-7200B Service Manual - Page 22
<Settings for Function Nos. 74, 77>, FUNCTION SETTINGS OPERATION PANEL, Function No. 73
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3. FUNCTION SETTINGS (OPERATION PANEL) Function No. 73 − 79 No. Initial value 73 (NOTE 23) 90 (ms) 74 15 degrees 75 -30 degrees 76 -30 degrees 77 (NOTE 24) 78 (NOTE 25) 79 (NOTE 26) 15 degrees 180 (degrees) 100 (ms) Setting range 50 - 150 (ms) -345 - 345 (degrees) -345 - 345 (degrees) -345 - 345 (degrees) -345 - 345 (degrees) 0 - 350 (degrees) 10 - 500 (ms) Setting details Thread trimming on time Quick reverse solenoid on timing during start backtacking/continuous backtacking Quick reverse solenoid off timing during start backtacking/continuous backtacking Quick reverse solenoid off timing during end backtacking Quick reverse solenoid on timing during end backtacking Pause position when switching feed direction Pause time when switching feed direction (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. ・ 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 S-7200B