Duerkopp Adler 550-867 Service Instructions Manual page 94

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Step 2:
Thread tension at the operating point
–
Press "Begin test seam".
The following screen will appear:
The determined values for step 2 will be displayed.
–
Press the button "next step".
–
Carry out step 3 and 4.
A screen displaying all registered values will appear.
With the field "File name (NB number)" the determined values can be
memorized.