DURKOPP ADLER 878-M PREMIUM Service Instructions Manual page 97

Programming
Calibration of the Stitch adjustment lever (Man.St.Len)
The stitch adjustment lever is an optional piece of equipment. The stitch
adjustment lever can be used to reduce the stitch length or to sew backward
stitches. When the stitch adjustment lever is pressed down fully, the value
of the backward stitch must match the forward stitch length.
To calibrate the stitch adjustment lever:
1. Call up the Service > Calibration > Man.St.Len (Service >
2. The value for the potentiometer should match the proposed value
3. After adjusting the value, follow the instructions on the display.
Important
If the lower position of the stitch adjustment lever is being tested, it must
be pressed all the way down.
Calibration of the Edge guide (EdgeGuide)
The edge guide is an optional piece of equipment.
To calibrate the edge guide:
1. Call up the Service > Calibration > EdgeGuide (Service >
2. Press the OK button to confirm the selection.
 The edge guide moves to the reference position.
3. Fold the edge guide down.
4. Measure the distance between the needle and the edge guide.
5. Enter the value with the
6. Press the OK button to confirm the input.
 The calibration of the edge guide is complete.
Calibration of the pedal (Pedal)
Only one value needs to be checked when calibrating the pedal.
To calibrate the pedal:
1. Call up the Service > Calibration > Pedal (Service > Calibration >
2. Follow the instructions on the display.
Service Instructions 878-M PREMIUM - 03.0 - 10/2019
Calibration > Stitch adjustment lever) menu item.
of 2,500.
Calibration > EdgeGuide) menu item.
Pedal) menu item.
▲/▼
buttons.
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