Baby Lock ellegante BLG Instruction And Reference Manual page 94

One-step buttonholes are sewn from the front of the presser foot to the back, as shown below.
Reinforcement stitching
!
Select a buttonhole stitch, and attach
buttonhole foot "A".
"
Mark the position and length of the
buttonhole on the fabric.
Memo
The maximum buttonhole length is about
28 mm (approx. 1-1/16 inches) (diameter +
thickness of the button).
#
Pull out the button holder plate on the
presser foot, and insert the button that will
be put through the buttonhole. Then tighten
the button holder plate around the button.
Button holder plate
Memo
The size of the buttonhole is decided by the
button holder plate holding the button.
SEWING THE STITCHES