EFKA FP220A5911
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11.4.6 Backtack Synchronization
Function with or without control panel Parameter
Backtack synchronization for start and end backtack On/Off (nSo) 298
Backtack synchronization speed (nrS) 299
If parameter 298 is on, the backtack speed will be switched to backtack synchronization speed one stitch before engaging
and disengaging of the backtack solenoid. The backtack speed is released at the next position 2. If the synchronization
speed that can be set by means of parameter 299 is higher than the backtack speed, the latter is maintained. Backtack
synchronization is possible in the start and end backtack.
11.5 Start Ornamental Backtack/Stitch Condensing
Function without control panel Control
Function “ornamental backtack” On/Off 135
Ornamental backtack stop time 210
Single start ornamental backtack LED 1 On S2 key
Double start ornamental backtack LED 2 On
Start ornamental backtack Off both LEDs Off
Function with control panel V810/V820
Function “ornamental backtack” On/Off (SrS) 135
Ornamental backtack stop time (tSr) 210
Single start ornamental backtack lefthand arrow above key On 1 key
Double start ornamental backtack righthand arrow above key On
Start ornamental backtack Off both arrows Off
The parameters of the start backtack speed and the backtack stitches forward and backward are identical with the standard
start backtack.
Difference from the standard start backtack:
! The drive stops for stitch regulator switching
! The stop time can be set
When using the V820 control panel, direct access by means of the function key (9 key) is possible!
Function with control panel Parameter
Ornamental backtack On/Off (-F-) 008 = 2
11.6 End Ornamental Backtack/Stitch Condensing
Function without control panel Control
Function “ornamental backtack” On/Off 135
Ornamental backtack stop time 210
Single end ornamental backtack LED 3 On S3 key
Double end ornamental backtack LED 4 On
End ornamental backtack Off both LEDs Off
Function with control panel V810 V820
Function “ornamental backtack” On/Off (SrS) 135 135
Ornamental backtack stop time (tSr) 210 210
Single end ornamental backtack lefthand arrow above key On 2 key 4 key
Double end ornamental backtack righthand arrow above key On
End ornamental backtack Off both arrows Off
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