Setting Method For Standard Depression Strokes - Brother S-7200A Service Manual

10. TREADLE UNIT ASSEMBLY

10-3. Setting method for standard depression strokes

Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet
before opening the face plate of the control box. Touching areas where high voltages are present can result in
severe injury.
When the specifications of the treadle unit are changed or if the treadle unit or control circuit board are replaced, it will be
necessary to make new settings according to the procedure described below.
Use the following procedure to set the operating positions for the depression stroke.
1) Signal setting entry
2) Memorizing the maximum forward position
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CAUTION
1. Turn off the power switch (1).
2. Set DIP switch No.4 to ON.
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3. While pressing the thread trimming key (2), turn on the
power switch (1).
"PdFF x.xxx" will appear in the main display (3).
(x.xxx indicates the depression voltage.)
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With the treadle depressed forward to the maximum forward
position, press the thread trimming key (2).
"Pdnn x.xxx" will appear in the main display (3).
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S-7200A