Is this the duplex model with the base that fits into a sewing cabinet?
My Elna booklet lists a SP "air electronic" duplex (CL.39), if so, then it would be same stitches as the 38, yellow front panel, 7 built in stitches and automatic knob with blue markings for buttonholing.
Here is the SU manual images for buttonholing, should be exactly the same for the SP.
Instructions are:
use buttonhole foot. turn the 3 dials to buttonhole marked in blue (stitch selection, width and length).
Mark length of buttonhol on the material. Place work under foot with the mark in the middile fo the foot, the start being directly below the needle. sew the first side, raise the needle. Turn stitch width dial to 2, blue. Sew a few stitches for bartack. Raise the needle.
Turn stitch width dial to 3 blue. sew the second side. stop just short of the first side. Raise the needle.
turn the stitch width dial to 4 blue. sew a few stitches for bartack. Raise the needle.
Turn stitch width dial to "fastening off stitch" blue dot. Sew a few stitches, holding back the material by hand. Raise needle, lift pressure foot and remove work, triming off threads.
Open the buttonhole with your seam ripper (put a pin across the end to avoid any nasties).
I also need a foot control for an Elna Air Electronic - my one is the orange and white model.
What's the model number of your machine?
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