Janome 5300QDC Instruction Book page 76

Correcting Deformed Stitch Patterns
The sewing results of stretch stitch patterns may vary
q
depending on sewing conditions, such as sewing speed,
fabric type, number of layers etc.
If stretch stitch patterns are deformed, correct them by
turning the feed balancing dial with the screwdriver.
If the pattern is compressed, turn the dial in the direction
of "+".
If the pattern is drawn out, turn the dial in the direction of
(+)
(–)
"–".
q Feed balancing dial
74