8.4
Switching threading mode on and off
9.
Controller
9.1
General
Caution: danger of injury
For threading either the machine must be switched off or threading
mode must be activated.
Push the pedal back.
–
The hook turret is rotated to the optimum threading position.
The thread tensioners are opened.
Turn switch 1 to position "0".
–
This message appears.
Thread the upper or bobbin thread.
–
Turn switch 1 to position "I".
–
After a short pause the machine switches to sewing mode.
The machine is ready for operation.
The class 579 buttonhole machine is equipped with a programmable
controller. Up to 50 different buttonholes can be defined. The
buttonholes can be programmed in up to 25 sequences. Each
sequence can contain up to 5 buttonholes. During operation the
machine can switch among the programmed buttonholes either
automatically or manually.
The following buttonhole shapes are available for selection:
buttonholes with taper tack
–
buttonholes with round tack
–
buttonholes with cross tack
–
buttonholes without tack
–
eyelets.
–
The various buttonhole properties such as length and eye shape can
be set for all shapes.
CAUTION:
Not all buttonhole shapes and variants can be sewn on every subclass
and with every sewing apparatus.
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