Bernina 380 Manual page 41

Automatic Standard Buttonhole with Auto-Length
Automatic buttonhole foot with slide No. 3A
Automatic standard buttonhole
The lens on automatic buttonhole foot 3A automatically registers the length of
the buttonhole for exact duplication.
█
Programming the standard buttonhole
1. sew the first bead forwards, stop the sewing computer
«auto» and the presser foot no. 3A appear on the display = buttonhole length
1
is programmed.
the sewing computer sews the following automatically:
2. straight stitches in reverse
3. the first bartack
4. the second bead forwards
2 3 4 5
5. the second bartack and securing stitches
Auto-buttonhole
█
█
█
033301.71.04_2014-02_Manual_B330_B350_PE_B380_EN
the active step blinks on the screen
When any automatic buttonhole is selected, presser foot no. 3 is
indicated on the screen.
The slide foot must lie perfectly flat on the fabric! If the slide
foot rests on a seam allowance, the length cannot be measured
accurately.
press the Quick reverse button
█
the sewing computer stops and returns automatically to buttonhole
█
begin
all subsequent buttonholes will be sewn to exactly the same length (no
need to press the Quick reverse button)
clear the program by pressing the «clr» button
the programmed buttonhole can be saved in the long-term memory (refer to
page 42)
Sewing speed
sew at moderate speed for best results
█
sew all buttonholes at the same speed for a consistent bead
█
density
Sewing stitches - Buttonholes
39