Adjustment Of Stitch Length; Adjustment Of Differential Feed Ratio; How To Adjust - Janome MY LOCK 644D Manuel D'instructions

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Adjustment of Stitch Length

To select stitch length, turn the dial.
The larger the number, the longer the stitch.
The stitch length can be adjusted from 1 to 5 mm.
Position "R" is for rolled and narrow hemmings.
Stitch length dial
Setting mark

Adjustment of Differential Feed Ratio

The differential feed ratio can be altered by turning
the dial.
The number on the dial indicates the ratio between
the main and the sub feed motion.
1.0 indicates the neutral position.
Differential feed dial
Setting mark

How to Adjust

• If the sewn fabric is stretched, turn the dial
counterclockwise (toward 2.2).
• If the sewn fabric is gathered, turn the dial
clockwise (toward 0.5).
Stretched
Gathered
When the stitch length dial is set between 1 to 4,
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the maximum effective differential feed ratio is
2.2.
When the stitch length dial is set between 4 and
5, the maximum differential feed ratio will
automatically be set between 2.2 and 1.8.