Owner's Manual

Z-8550A, 8560A
6. USING THE OPERATION PANEL (BASIC OPERATIONS)
35
6-2-7. Setting end backtacking (8560A, 855A-A31 only)
After the treadle has been depressed backward, you can sew a set number of stitches to create end backtack stitches.
<Setting end backtacking>
1
2
When the treadle is depressed, the sttiches are sewn at the length that has been set using
the stitch length dial (1).
3
When the treadle is depressed backward, end backtacking is carried out and then the
sewing machine stops in the needle up position.
(The sewing machine operates at a speed of 1,200 rpm when sewing end backtack
stitches.)
(For the 8560A, thread trimming is carried out automatically and then the sewing machine
stops in the needle up position.)
NOTE:
If the treadle is depressed backward before sewing the number of start backtack
stitches is complete, end backtacking will not be carried out.
If the indicator of the thread trimming lock key is illuminated, the sewing machine will
stop in the needle up position without thread trimming being carried out (for the
8560A).
<Turning the end backtack function on and off>
The condition changes as shown below each time the end backtack key e is pressed.
The stitch length for section C is adjusted by means o
f
the condense dial (2), and the stitch length for section
D is adjusted by means of the stitch length dial (1).
<When the condense dial is
set to a "-" (minus) value>
<When number of stitches
for section D is "00">
((2 stitches)
(6 stitches)
(2 stitches)
(6 stitches)
3438M
2160M
Off
Number of end backtack stitches
Zigzag width/zigzag base line position
Zigzag width/zigzag base line position
Illuminated
(6 stitches)
Example:
1458M
3437M
1457M
2159M
3439M
<Example>