Instruction manual
EFKA AB221A/AB321A + AB222A/AB322A (BA)
78
52 Signal A2 switchable as flip-flop: Upon pressing the key, signal A2 is activated and deactivated when pressing
the key again.
53 No function
54 Function like pressing the pedal to step 12: If start backtack or softstart is enabled, it will be performed.
55 Reversal of the direction of rotation
56 No function
57 Input for bobbin thread monitor: Set desired operating mode using parameter 035.
58..65 No function
66 Thread trimming is suppressed.
67 Thread trimming and backtacking are suppressed.
68 Interruption of seam in TEACH IN and switch to next seam.
69 Interruption of seam in TEACH IN and switch to preceding seam.
70 No function
71 Preparation for backlatch function
76 Intermediate backtack / single stitch (correction sewing), mode 31
9.37 Software Debouncing of All Inputs
Functions Parameter
Software debouncing of all inputs (EnP) 238
238 = 0 No debouncing
238 = 1 Debouncing
9.38 F1/F2 Function Key Assignment on the V810/V820 Control Panels
Functions Parameter
Selection of input function on the (A) "F1" key on the V810/V820 control panels (tF1) 293
Selection of input function on the (B) "F2" key on the V810/V820 control panels (tF2) 294
The function of the keys F1 (A) and F2 (B) can be selected on the control panels using parameters 293 and 294.
Parameters 293/294 =
0 Input function blocked
1 Needle up/down: Upon pressing the key, the drive runs from position 1 to position 2 or from position 2 to position
1. If the drive is not in the stop position, it runs to the pre-selected basic position.
2 Needle up: Upon pressing the key, the drive runs from position 1 to position 2.
3 Single stitch (basting stitch): Upon pressing the key, the drive performs one rotation from position 1 to position 1.
If the drive is in position 2, it runs to position 1 upon pressing the key and from position 1 to position 1 each time
the key is pressed again.
4 Full stitch: Upon pressing the key, the drive performs a full rotation depending on the stop position.
5 Needle to position 2: If the drive is not in position 2, it runs to position 2 upon pressing the key. After power On the
drive runs until it has been synchronized.
6...12 No function
13 High lift for walking foot operational mode not stored: The signal “high lift for walking foot” is issued as long as
the key is held down, and the drive runs with speed limitation (n10).
14 High lift for walking foot operational mode stored /flip-flop 1: The signal “high lift for walking foot” is issued
upon briefly pressing the key, and the drive runs with speed limitation (n10). The operation is disabled upon
pressing the key again.
15 Tape cutter or fast scissors (mode 6/7): Upon pressing the key, the tape cutter will be enabled for a preset time.
16 Intermediate backtack: Upon pressing the key, the backtack will be enabled anywhere in the seam and at standstill
of the drive.
17 Backtack suppression / recall: Upon pressing the key, the backtack will be suppressed or recalled once.
18 No function
19 Reset bobbin thread monitor: After inserting a full bobbin, the stitch counter is set to the value determined by
means of parameter 031.