Operating instructions

7.3 V820 operating panel
7.3.1 Operating and display elements on the V820 operating panel
7.3.2 Key functions on the V820 operating panel
Functions can be turned on and off by briefly pressing the keys on the
operating panel. The functions are effective on the machine only if the
relevant devices (e.g. magnetic or electropneumatic sewing-foot lift)
are present.
Key Function Display
1 Double starting bar tack on
Starting bar tack off
Single starting bar tack on
Right arrow above the key on
Bboth arrows off
Left arrow above the key on
2 Stitch count, backwards seam
Stitch count off
Stitch count, forwards seam
Right arrow above the key on
Both arrows off
Left arrow above the key on
3 Light-barrier function “light - dark”
= change from: “no material present” to
“material present”.
Light barrier off
Light-barrier function “dark - light”
= change from: “material present” to “no
material present”.
Right arrow above the key on
Both arrows off
Left arrow above the key on
4 Double ending bar tack on
Ending bar tack off
Single ending bar tack on
Right arrow above the key on
Both arrows off
Right arrow above the key on
5 Thread cutter on
Thread retractor on
Thread cutter and thread retractor on
Thread cutter and thread retractor off
Left arrow above the key on
Right arrow above the key on
Both arrows on
Both arrows off
6 Auto. foot lift on halt in s eam on
Auto. foot lift on halt in seam off
Auto. foot lift after thread cut on
Auto. foot lift after thread cut off
Left arrow above the key on
Left arrow above the key off
Right arrow above the key on
Right arrow above the key off
7 Basic needle position = down
Basic needle position = up
Left arrow above the key on
Right arrow above the key on
8 Residual-thread monitor on
The function of the residual-thread monitor can
be altered with parameter 195
(see parameter list in the set-up instructions).
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