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