使用说明书 Operation Instruction
（2）让抓线动作，可以保持缝制开始的稳定缝制，
可以把机针调整短，因此布料上上线缠线现象变少。
但是，对于因为漂亮的卷进上线而缝迹长度不足的图
案等，布料背面有可能挑出上线，请参考下列事项适
当的选择有无抓线功能。
1）缝制长度短（约10mm以下）时，把机线调短，但
是有时也出胡须状情况。
(2) It is possible to adjust needle thread shorter by making the
needle thread clamp work while holding the stabilized sewing
at the start of sewing and the gathering (bird's nest) of needle
thread on the wrong side of material can be lessened. However,
for the partern which the stitch length for neatly rolling in needle
thread is short, needle thread may protrude from the wrong side
of material. Select with/without thread clamp referring to the
item below.
1) When the sewing length is short (less than approximately
10 mm), the end of needle thread may protrude like beard
even when adjusting needle thread shorter.
（3）使用布料不与针板②紧密接触的下板①时，有
可能发生上线松弛、不管线长度如何布料背面均卷入
上线的现象。
(3) When the type of lower plate ① that material does not
come in close contact with throat plate ② is used, needle
thread on the wrong side of material may be rolled in the
seams regardless of needle thread play or sewing length.
表面
(right side)
背面
(wrong side)
上线
(needle thread)
背面
wrong side
上线
needle thread
(4) For LK-1900A (button sewing), the thread clamp is set to
the motion prohibited in the state of delivery due to the
aforementioned (2) and (3). For (memory switch No. 35) with
cross-over stitch ( ,etc.) or X shape ( , etc.), needle thread
on the wrong side of material becomes easy to be rolled case.
it is recommended to use the thread clamp standard in. In this
case, it is recommended to use the thread clamp.
（4）带钉扣时，由于上述(2)(3)的原因，标准出货
状态时设定为禁止抓线动作。（存储器开关NO.35）
有交叉线（ 等）、叉形状（ 等）时
（5）使用抓线功能，缝制开始的底线露出布料表面
时，把缝制开始的张力（2-3针）降低，底线就不明
显了。
[设定咧]缝制张力设定为[35]时，缝制开始1-2针的
张力为[20]。
*缝制开始张力的设定，请参照[6]缝纫机的操作（应
用篇）
(5) When the thread clamp is used, and bobbin thread at the
sewing start appears on the right side o[ material, reduce
thread tension at the sewing start (2 t0 3 stitches) and bobbin
thread becomes less conspicuous.[ExampIe of setting] Tension
of 1 to 2 stiitches at the sewing start is "20" when sewing
tension setting is "35".
* For the setting of tension at the sewing start, refert0 5.
Setting the pattern thread tension of [6] OPERATION OF
THE SEWING MACHINE (ADVANCED).
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