Bernina Virtuosa 153 Instruction Manual & Sewing Manual page 19

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Operating instructions
9
18
1
1. Denser bead
2. Finer bead
Saving programmed buttonholes in long term memory
mem +
· after programming press the mem + -button
mem
· the buttonhole is now saved in long term memory
· stitch counter buttonholes cannot be saved in long term memory
Opening saved buttonholes
Programmed saved buttonholes can be opened for re-use even after the
machine has been disconnected.
· select the buttonhole
· press the mem-button
· sew the programmed buttonhole
· only one of any style buttonhole can be saved, if a new length is saved
with mem + , it overwrites the previously saved buttonhole
The automatic darning program can be saved and opened in the same
way as programmed buttonholes.
Altering buttonholes
· alterations to the stitch length and width affect both beads
· after altering the stitch length, program the buttonhole again
· altered stitch length/widths can be deleted by pressing
the clr/del-button
Balance
· any changes to the balance affect both beads of manual and auto
2
1
length buttonholes because both beads are sewn in the same direction
· any distortions to keyhole buttonholes can be corrected with balance
2
· changes to the balance of stitch counter buttonholes affect the beads
as shown in the illustration
· balance affects the individual beads and the eye
1. Finer bead
2. Denser bead
When altering the bead density with balance, delete the programmed
buttonhole with clr/del.
Re-program with altered balance settings.
Note:
When all buttonholes have been sewn, return balance to the normal
setting

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