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7.2 Adjustment of automatic functions via control
panel for stop motor
7.2.1 By using stop motor Efka with panel V 810
Functioning pushbuttons engagement:
Pushbutton P
Recalling and program mode termination
Pushbutton E
Confirmation of program mode changes
Pushbutton +
Increase of value displayed in program
mode
Pushbutton -
Decreasing value displayed in program
mode
Pushbutton 1
Start bar SINGLE/DOUBLE/OFF
Pushbutton 2
End bar SINGLE/DOUBLE/OFF
Pushbutton 3
Automatic top roller lifting after stopping
at the seam ON/OFF
Automatic top roller lifting after thread
trimming (end of seam) ON/OFF
Automatic presser foot lifting after
thread trimming (end of seam) ON/OFF
Automatic reduction of pressure of the
presser foot ON/OFF (only for DC 1550/
DA320; see The instructions for assem-
bling with Mini-stop, par. 5.2.4)
Pushbutton 4
Basic position of needle UP/DOWN
Pushbutton A
For cancelling respectively recalling
the bar
Pushbutton B
For switch over the needle position
UP/DOWN respective shift pushbutton
in program mode
Symbol C
Connection of automatic revolutions
Symbol D
Connection of lighting barrier
Symbol E
The machine is running
Symbol F
The revolutions limitation switch on
Symbol G
Connection
flashing light indicator symbol when
the threads supply on the bobbin is
running out
The arrows on the display indicate switching the functions
which are displayed by symbols above the pushbuttons on.
7.2.1.1 Adjustment by means of buttons with fixed setting
function
Note: It is important to finish the seam in order to reach
effective button pressing (press the treadle fully backwards
down).
Setting start bar:
Drive enables sewing start bar automatically. It is necessary to
choose the type (single, double, off) and number of stitches
which will be sewn forwards and backwards.
The arrow above its symbol shows the type of bar (chosen by
gradually pressing pushbutton 1). It will be displayed
following after pressing pushbutton 1.
Arv (SAv) XXX - number of stitches of start (fancy) bar for-
wards or
Arr (SAr) XXX - number of stitches of start (fancy) bar back-
wards) for about 3 sec.
At this time you can change the number of stitches by gra-
dually pressing the pushbutton + or -.
By setting the treadle to its zero position during the sewing of
the start bar (par. 215 - OFF), you stop the machine at the
completion of the start bar. You can then switch on the sewn
work cutter.
Setting end bar:
The same applies to the start bar (setting by the means of
pushbutton 2).
12
of lower thread controller,
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