Pfaff 521 Instruction Manual page 50

Input
11 - 3
Select the input variant
T Seam input with Teach In
Confirm selection (Enter)
Scroll (only if following functions are activated)
F1
Scroll (only if following functions are activated)
A
B
Scroll (only if following functions are activated)
C
D
After operating the pedal
END
Select input variant
DEL
Delete seam programs
For the explanation of other functions see Chapter 7.09.02 Function keys.
Seam section
Stitch length (feed stroke) roller presser
Stitch length (feed stroke) feed wheel
Seam section
Max. speed
Stitch placement position
Seam section
Forward stitches start backtacks
Reverse stitches start backtacks
Speed start backtacks
Seam section
Reverse stitches end backtacks
Forward stitches end backtacks
Speed end backtacks
Seam section
Number of stitches sewn
Select last seam section