Brother Z-8550A Service Manual download pdf (Page 114)

Z-8550A, 8560A

12. TREADLE UNIT

105

12-3. Standard settings for treadle depression stroke

DANGER

Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet

before opening the cover of the control box. Touching areas where high voltages are present can result in severe

injury.

Carry out the following reset procedure if the specifications for the treadle unit have been changed or if the treadle unit or

main P.C. board has been replaced.

The following procedure sets the operating positions for the treadle depression strokes to the standard values.

1) Entering signal settings

1. Set the power switch (1) to OFF.

2. Set DIP switch No 4 to “ON”.

3. While pressing the straight stitch 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) Storing the maximum forward depression amount

Press the straight stitch key (2) while the treadle is at the

point of maximum forward depression

“Pdnn x.xxx” will appear in the main display (3).

3572M

3573M

3574M

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Brother Z-8550A Service Manual Page 114