Brother International S-7200B Service Manual - Page 17
<Needle breakage prevention function specifications>, FUNCTION SETTINGS OPERATION PANEL
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3. FUNCTION SETTINGS (OPERATION PANEL) Function No. 56 − 60 No. Initial value 56 0 57 (NOTE 17) 0 58 2 59 0 (degrees) Setting range 0 - 1 0 - 1 0 - 2 0 - 355 (degrees) Setting details Function for preventing needle bar operation when treadle is accidentally depressed forward when it is returned to neutral after being depressed backward 0: Used 1: Not used Operation when treadle is depressed forward to 1st step when presser foot is raised 0: Presser foot is lowered 1: Presser foot is not lowered Synchronization function when quick reverse mechanism has been operated using the actuator switch 0: Disabled 1: Only quick reverse mechanism synchronization enabled 2: Synchronization of main shaft at automatic deceleration speed set by No. 50 [Do not change this setting] 60 150 (degrees) 0 - 355 (degrees) [Do not change this setting] (NOTE 17) Setting is only enabled when DIP switch 2 is set to ON. * Use Function No. 50 to set the automatic deceleration speed when the quick reverse mechanism has been operated using the actuator switch.(Setting possible in units of 100 rpm) * Use Function No. 58 to set the synchronization function when the quick reverse mechanism has been operated using the actuator switch. (Example) Default settings: At low speed: 0°; At high speed: 150° Needle up stop point is home point Operating angle range Direction of main shaft rotation Operating angle (At low speed: No. 59) (At high speed: No. 60) 0654B S-7200B 10