DURKOPP ADLER 767 Instruction Manual page 44

10.7.2 Working method and parameter adjustment of the seam center guide
(in conjunction with sewing drive DC1600/DA82GA only)
When the machine is switched off, the seam center guide is down (= on). Immediately
after the machine has been switched on the seam center guide is always up (= off).
The seam center guide can be switched on and off at any time by means of key 5 (see
operating instructions) of the 5-key-panel at the machine.
Possible parameter adjustments of the seam center guide:
Parameter Value Function of the seam center guide ...
F-186 0 ... on and off by means of key 5 of the 5-key-panel only
F-186 > 0 ... automatically on after stitch counting
F-261 0 ... in case of bartacking and sewing foot lifting always on,
if it is switched on
F-261 1 ... off only during bartacking and sewing foot lifting,
if it has been switched on before
F-261 2 ... off only during sewing foot lifting, if it has been switched
on before
F-261 3 ... off only during bartacking, if it has been switched on before
F-262 0 ... in case of stroke adjustment (HP) by knee switch always on,
if it is switched on
F-262 1 ... off during stroke adjustment (HP) by knee switch, if it has been
switched on before
If the seam center guide is off (up), the status remains unchanged, irrespective of how
the parameters F-261 and F-262 are adjusted and which function is active.
42