Setting The Raveling Prevention Parameter - JUKI MF-7900 Instruction Manual

X. SETTING THE RAVELING PREVENTION PARAMETER
❶
Ⓒ
Ⓓ
❸ ❹
❷
❸ ❹
Example) The value shown on display section Ⓑ in 5)
NEEDLE BAR" p.10
ter of the looper is 90. Subtract the former value 5 from the latter value 90. (i.e., 90 - 5 = 85)
switch ❺ or
Press
3) After completion of the changing procedure, press
(Caution) If the power is turned OFF before carrying out this procedure, the changed content is not updated.
switch ❸ is pressed, the display on the panel changes to the previous setting No. When
When
switch ❹ is pressed, the display on the panel changes to the subsequent setting No. After completion
of the operation, the machine is returned to the normal sewing state by turning OFF the power and
re-turning it ON.
Ⓐ
❺ ❻ Ⓔ ❼
❺
❻
is 5. The value displayed when the descending left needle tip is aligned with the cen-
switch ❻ to change the value shown on display section Ⓑ to 85.
1) Turn ON the power with
Ⓑ
❼ held pressed.
(The item which has been changed
during the previous work is displayed.)
* If the screen display does not change,
re-carry out operation described in
step 1).
(Caution) Be sure to re-turn ON the power
switch when one or more seconds
have passed after turning it OFF. If the
power switch is re-turned ON immedi-
ately after turning it OFF, the sewing
machine may fail to operate normally.
In such a case, be sure to turn ON the
power switch again properly.
2) Press
to set the setting number at 128. The
current set value is shown on display
section Ⓑ .
Press
to lower the left needle until its tip is
aligned with the center of the looper.
At this time, read the displayed value.
Change the value shown on display
section Ⓑ to a value which is ob-
tained by subtracting the value shown
on display section Ⓑ in 5)
TING THE UPPER STOP POSITION
OF THE NEEDLE BAR" p.10
the aforementioned value.
"IX. SETTING THE UPPER STOP POSITION OF THE
switch ❸ or switch ❹ to confirm the updated value.
– 12 –
switch
switch ❸ or switch ❹
switch ❺ or switch ❻
"IX. SET-
from