Jack A4 Manual page 9

operating instructions-
Button for thread tension /
presser foot lifter sensor
LED screen area
项目名称 | 日
PROJECT NAME | date
期
Thread tension device setting :
and the icon
tension device is on . Press the button
Setting of presser foot lifter sensor:
longer and the icon
means the presser foot lifter is on. Press the button
longer again, the icon
Electronic tension device setting2.mp4
display on the LED screen, means the
not display, means the tension device is off.
not display, means the presser foot lifter is off.
CONFIDENTIA
L
Press the button
again, the icon
Press the button
display on the LED screen,
9