Bernina Virtuosa 153 Instruction Manual & Sewing Manual page 18

Stitch counter buttonholes (all types)
1 2
The first bead is sewn forwards, the second bead in reverse.
Sew forward and reverse beads at the same speed.
Preparation:
· Buttonhole foot No. 3 or Automatic foot 3A
· insert the lower thread into the finger of the bobbin case
Always test sew buttonholes
· test on the fabric and stabilizer you intend to use
· sew buttonholes in the same grain direction (with or against)
Programmed buttonholes on other fabrics
· the appearance of a programmed stitch counter buttonhole can vary
depending on the fabric
· program on the fabric you intend to use
Corrections
· the buttonhole must be reprogrammed after altering the stitch length,
width or balance
· test sew on the fabric you intend to use
Select buttonhole
· press the reverse-sewing-button with the buttonhole symbol to select
stitch counter buttonholes
· auto and presser foot No. 3 blinks on screen
The step currently being sewn blinks on the screen
1. sew the first bead forwards and stop the machine
· press the quick reverse-button
2. sew the bottom bartack or eye and the second bead in reverse
· stop the machine at the first stitch (buttonhole begin)
3 · press the quick reverse-button
3. sew the top bartack and securing stitches
· the machine stops automatically
· «auto» appears on the screen = the buttonhole is programmed
all subsequent buttonholes will be sewn to exactly the same length
without interruption and the machine stops automatically at the end
of each buttonhole
Press the clr/del-button to delete the programme
Note:
Stitch counter buttonhole cannot be saved in the long term memory
Stitch counter buttonholes: examples see page 25 of the Sewing Manual
Operating instructions
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