Brother International S-7200B Service Manual - Page 65

Setting method for standard depression strokes, Signal setting entry

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11. TREADLE UNIT ASSEMBLY 11-3. Setting method for standard depression strokes CAUTION 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. ・ For sewing machines with operation panel, make the settings using the operation panel. (Refer to "A. For the operation panel".) ・ For sewing machines without operation panel, make the settings using the control box panel. (Refer to "B. For the control box panel".) A. For the operation panel 1) Signal setting entry 1. Turn off the power switch (1). 2. Set DIP switch No.4 to ON. 0652B 3192M 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.) 2333M 2) Memorizing the maximum forward position 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). 2334M S-7200B 58

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S-7200B
11. TREADLE UNIT ASSEMBLY
58
11-3. Setting method for standard depression strokes
CAUTION
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.
・
For sewing machines with operation panel, make the settings using the operation panel. (Refer to “A. For the operation
panel”.)
・
For sewing machines without operation panel, make the settings using the control box panel. (Refer to “B. For the control
box panel”.)
A. For the operation panel
1) Signal setting entry
1.
Turn off the power switch (1).
2.
Set DIP switch No.4 to ON.
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.)
2) Memorizing the maximum forward position
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).
2333M
3192M
2334M
0652B