Pfaff 1571 Instruction Manual page 68

Input
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By pressing the corresponding +/- key set the number of stitches at "1".
By pressing the thread trimming key, switch on the corresponding function for the seam
section end.
By pressing the Scroll key, select the following screen display.
PM
5
5 INS
By pressing the corresponding +/- key select "YES" to conclude the seam input.
By pressing the TE/Speed key the selected values are taken over and the program
changes into the programmed sewing mode.
If no end of seam section function is activated, the end of the seam section can
be set with the pedal function, see Chapter 7.04 Pedal.
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DEL YES