Pfaff 939 U Instruction Manual page 24

Controls
Start backtacks
● If this key is pressed, the backtacks at the beginning of the seam (start backtacks) are
End backtacks
● If this key is pressed, the backtacks at the end of the seam (end backtacks) are switched
Needle position
● If this key is pressed the "needle raised after sewing stop" function is switched on or off.
Foot position after stop
● If this key is pressed the "foot raised after sewing stop" function is switched on or off.
Foot position after trimming
● If this key is pressed the "foot raised after thread trimming" function is switched on or off.
Thread trimmer
● If this key is pressed the thread trimming function is switched on or off.
Darning program
● If this key is pressed the darning program function is switched on or off. The counted
Counted seam
● If this key is pressed the counted seam function is switched on or off. The darning
TE/Speed
● If this key is pressed once the speed limit for the sewing mode is activated.
● If this key is pressed twice (within 5 seconds) the machine changes from sewing to input
7 - 9
switched on or off. The number of forward stitches (A) or reverse stitches (B) for the start
backtacks can be changed by pressing the +/- key underneath. To convert from double
backtack to single backtack set the number of stitches for the corresponding seam
section at zero.
on or off. The number of reverse stitches (C) or forward stitches (D) can be changed by
pressing the +/- key underneath. To convert from double backtack to single backtack set
the number of stitches for the corresponding seam section at zero.
When the function is switched on, the needle positions at t.d.c. after sewing stops.
When the function is switched on, the presser foot is raised after sewing stops.
When the function is switched on, the presser foot is raised after thread trimming.
seam function is switched off automatically.
program function is switched off automatically.
mode.