Brother MD-602 Service Manual page 50

Display No. SW
ON Lifting of presser lifter invalid at treadle repressed backwards to 1st step
41
OFF Normally
ON Prohibit to thread trimming by treadle repressed backwards * For overlock, etc.
42
OFF Normally
ON Chain stitch thread trimming (at needle UP position, motor stopped)
43
OFF Lockstitch thread trimming operation
High-speed pedal during standing work is only high speed. (no inching speed and variable
ON
44
speed area)
OFF Standing work pedal for variable speed
ON Standing work delay start invalid
45
OFF Standing work delay start valid
Emergency stop by presser pedal disabled during standing work (during automatic
ON
stitching)
46
Emergency stop by presser pedal enabled during standing work (during automatic
OFF
stitching)
Emergency stop by high-speed pedal disabled during standing work (during automatic
ON
stitching)
47
Emergency stop by high-speed pedal enabled during standing work (during automatic
OFF
stitching)
ON Prohibit to rise of presser lifter with trimming pedal during standing work
48
OFF Normally
ON Active correction by actuator switch after trimming
51
OFF Inactive correction by actuator switch after trimming
ON (Not used)
52
OFF * Normally OFF
ON (Not used)
53
OFF * Normally OFF
ON (Not used)
54
OFF * Normally OFF
After presser foot lowers with treadle repressed forward to 1st step, presser foot does not
lift when treadle is pressed to neutral position.
ON After repressing treadle backward, presser foot lowers when treadle is pressed to neutral
position.
* Whent SW1-1 is ON (when memory switch [12] or [13] is set to ON)
55
After presser foot lowers with treadle repressed forward to 1st step, presser foot lifts when
treadle is pressed to neutral position.
OFF After repressing treadle backward, presser foot does not lift when treadle is pressed to
neutral position
* When SW1-1 is ON (when memory switch [12] or [13] is set to ON)
After thread trimming, pressing treadle forward ON stroke is not changed after pressing
ON
treadle backward.
56 After thread trimming, pressing treadle forward ON stroke is changed after pressing treadle
backward.
OFF
* Reduction of incorrect forward treadle repressing operation caused by rebound of treadle
ON Presser foot does not lower when treadle is pressed forward 1st step.
57
OFF Presser foot lowers when treadle is pressed forward 1st step.
ON (Not used)
58
OFF * Normally OFF
44
from backward repressing
Item & Contents
MD-602, 612