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HE-800A
5. OPERATION
48
ዑ
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ዒ
. Rear tack vector shape programs
Parameter No. 37
1: Triangle 2: Rectangle 3: Saw-shape
Setting range 1: Triangle
General sewing
Setting range 2: Rectangle
ƒ This is effective for preventing the material from getting stuck in the needle hole when sewing the rear tack, which can
happen when using lightweight materials.
(An offset is used so that the stitches do not overlap when sewing the reverse zigzagging for the rear tack.)
ƒ Reducing the number of front tack stitches is effective in preventing the material getting stuck at the front tack.
ƒ Using a needle plate with a small needle hole (1.2) as well can also help in preventing the material from getting stuck.
Setting range 3: Saw-shape
This is effective for preventing dimples in the rear tack, without the need for underlay sewing.
* The number of stitches for the saw-shape type of sewing is set by means of parameter Nos. 38 and 39.
3929Q3928Q
3930Q