Janome mc9400p, Instruction Book, Page: 46 / 104

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Other Buttonholes
B3, B4 Round end and fine fabric buttonholes
The sewing procedure is the same as that of B1 square
(sensor) buttonhole (refer to page 37-39).
NOTE:
The opening width can be adjusted from 0.2 to 2.0.
The buttonhole width can be adjusted from 2.6 to 9.0.
The stitch density can be adjusted from 0.20 to 1.00.
B5-B7 Keyhole buttonholes
The sewing procedure is the same as B1 square (sensor)
buttonhole (refer to page 37-39).
Use an eyelet punch to open the keyhole buttonhole.
NOTE:
The opening width can be adjusted from 0.2 to 2.0.
The buttonhole width can be adjusted from 5.6 to 9.0.
The stitch density can be adjusted from 0.20 to 1.00.
B8, B10 Stretch and Antique buttonholes
The sewing procedure is the same as B1 square (sensor)
buttonhole (refer to page 37-39).
The sewing steps are as shown.
NOTE:
The opening width can be adjusted from 0.2 to 2.0.
The buttonhole width can be adjusted from 2.6 to 9.0.
The stitch density can be adjusted from 0.50 to 1.00
(B8), from 0.50 to 2.50 (B10).
B9 Knit buttonhole
The sewing procedure is the same as B1 square (sensor)
buttonhole (refer to page 37-39).
NOTE:
The opening width can be adjusted from 0.2 to 2.0.
The buttonhole width can be adjusted from 2.6 to 9.0.
The stitch density can be adjusted from 0.70 to 1.20.