Pfaff 1571 Instruction Manual page 26

Controls
Stop
Sensor
Stitch counting
TE/Speed
Scrolling
PM
F1
F2
F3
F4
7 - 10
By pressing this key the corresponding function is switched on or off. If the function is
activated, in the programmed sewing mode the machine stops automatically at the end
of the seam section.
In the manual sewing mode, if this function is activated, the roller presser and feel wheel
drive are switched off, in order to e.g. wind the bobbin outside the sewing operation.
When entering the code number, this key corresponds to the number 0.
By pressing this key the corresponding function is switched on or off. When the function
is switched on, the sensor moves on to the next seam section.
By pressing this key the corresponding function is switched on or off. When the function
is switched on, the machine moves to the next sewing section after the number of
stitches entered have been sewn.
By pressing this key once the speed limitation for sewing mode is activated.
By pressing the key twice (within 5 seconds) the machine switches from sewing mode to
input mode.
When this key is pressed, it is possible to scroll through the input menus on the display.
By pressing this key the Programmed Sewing function is switched on or off. When the
function is switched on, the lettering "PM" appears in the display of the control panel. The
parameters of the programs are shown in the alpha-numerical section of the display.
When this key is pressed, the stitch placement function at the beginning of the seam is
switched on or off. The corresponding needle position is set on the keyboard and by
turning the balance wheel.
This key is not assigned at present.
When this key is pressed the corresponding function is switched on or off. When the
function is activated, the machine moves to the next seam section with the use of the
knee switch
After this key has been pressed, the next bartack is not sewn.