Singer 3820 - Buttonhole Side Balance Adjustment

D Left and right side balance for buttonhole
Stitch density on right and left sides of bottonhole can be
adujsted by buttonhole balance control dial.
This dial should usually be in a neutral position (between "+"
and "-")
If the stitches on the right side of buttonhole are too close
together, turn the dial to the left (+).
* Turning dial to the left opens right side and closes the left
side.
If the stitches on the right side of the buttonhole are too open,
turn the dial to the right (-).
* Turning dial to right closes right side and opens left side.
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