44
_
. SETTING OF SC-921
1. Setting of the auto lifter function
1) Turn ON the power switch with switch
5
held pressed.
2) "FL ON" is displayed on indicators
A
and
B
with a blip to make the auto lifter function
effective.
3) Turn OFF the power switch, and turn ON
the power switch again to return to the
normal mode.
4) Repeat the operation 1) to 3), and LED
display is turned to (FL OFF). Then, the
function of auto-lifter does not work.
FL ON : Auto-lifter device becomes effective. Selection of the auto-lifter device of solenoid drive (+33V) or of air
drive (+24V) can be performed with switch
6
.
(Changeover is performed to drive power +33V or +24V of CN37.)
Solenoid drive display (+33V)
Air drive display (+24V)
FL OFF : Auto-lifter function does not work. (Similarly, the presser foot is not automatically lifted when programmed
stitching is completed.)
(Caution) 1. To perform re-turning ON of the power, be sure to perform after the time of one second or more
has passed.
(If ON / OFF operation of the power is performed quickly, setting may be not changed over well.)
2. Auto-lifter is not actuated unless this function is properly selected.
3. When “FL ON” is selected without installing the auto-lifter device, starting is momentarily
delayed at the start of sewing. In addition, be sure to select “FL OFF” when the auto-lifter is
not installed since the touch-back switch may not work.
WARNING :
When the solenoid is used with the air drive setting, the solenoid may be burned out. So, do not
mistake the setting.
When the auto-lifter device (AK) is attached, this function makes the function of auto-lifter work.
6
543
1
B
A
2
7
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