7 - 1
Controls
Fig. 7 - 01
Fig. 7 - 02
21 3 4 5 6
O
1
7 Controls
7
.01 On/off switch
● Switch machine on or off by turning on/-
off switch 1.
7.02 Keys on machine head
● The keys on the machine head are pres-
sed to set off certain functions.
Key 1: Reverse sewing or intermediate
backtack within the seam
Key 2: Raise needle
Key 3: Activate pre-set top-feed stroke
(on machines with quick-change
stepping control) -918/29)
Diode on = high stroke
Diode off = low stroke
Key 4: Switch off backtack function for
one tack
Key 5: Activate pre-set stitch length (on ma-
chines with quick-change stepping
control -918/29)
Diode on = long stitch length
Diode off = short stitch length
Key 6: EMERGENCY key. presser foot
and needle are raised and the
machine switched off (diode on).
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