Duerkopp Adler 669 Premium Operating Instruction page 66

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Setting: Software (Softw.)
In Software mode, the bobbin is monitored by the software based
on the number of stitches sewn. The possible settings are listed
in the table.
CounterType
A/B/C/D
Counter
Value range 00000 – 99999
MotorStop
ON/OFF
ResetNeces
ON/OFF
Operating Instructions 669 PREMIUM - 00.0 - 11/2016
4 different counters can be applied.
The following 3 subitems can be set for
each of the counters.
Bobbin supply capacity in stitches.
This is a very variable value, which
depends on the size of the bobbin and
the thickness of the thread.
Sewing stops and a notice is shown on
the display when the bobbin is detected
to be nearly empty. If the parameter
is not activated, only the LEDs on the
machine arm give a warning if the
bobbin is empty.
It is only possible to resume sewing after
changing the bobbin and confirming the
message on the control panel.
Programming