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Adjustment Of Stitch Length; Adjustment Of Differential Feed Ratio - ELNA 664 PRO Instruction Manual

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Adjustment of Stitch Length

1
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.
1
Stitch length dial
2
Setting mark

Adjustment of Differential Feed Ratio

The differential feed ratio can be altered by turning
the dial.
1
The number on the dial indicates the ratio between
the main and the sub feed motion.
1.0 indicates the neutral position.
1
Differential feed dial
2
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).
1
Stretched
2
Gathered
When the stitch length dial is set between 1 to 4,
*
the maximum effective differential feed ratio is
2.25.
When the stitch length dial is set between 4 and
5, the maximum differential feed ratio will
automatically be set between 2.25 and 1.8.
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