JUKI SC-921, Instruction Manual

Page: 40 / 50

9. Automatic compensation of neutral point of the pedal sensor
Whenever the pedal sensor, spring, etc. are replaced, be sure to perform following operation :
10. Selection of the pedal specifications
When the pedal sensor has been replaced, change the set value of function setting No. 50 according to the
newly connected pedal specifications.
0 : KFL
1 : PFL
1) Pressing switch ❹ , turn ON the
power switch.
2) Compensated value is displayed on
indicator Ⓑ .
(Caution) 1. At this time, the pedal
sensor does not work
properly if the pedal is de-
pressed. Warning sound
"blips" and the correct
compensation value is not
displayed.
2. If any display ("-0-" or "-8-
") other than a numeric
value appears on indicator
Ⓑ , refer to the Engineer's
Manual.
❻ ❺ ❹ ❸
❶
Ⓑ
Ⓐ
❷ ❼
3) Turn OFF the power switch, and turn ON the power switch again to return to the normal mode.
(Caution) Be sure to re-turn ON the power switch when one or more seconds have passed after turn-
ing it OFF.
(If the ON-OFF operation is carried out faster than the above, the setting may not change
normally.)
❻ ❺ ❹ ❸
❶
Ⓑ
Ⓐ
❷ ❼
(Caution) Pedal sensor with two
springs located at the back
part of the pedal type is
PFL, and that with one
spring type is KFL. Set the
pedal sensor to PFL when
lifting the presser foot by
depressing the back part of
the pedal.
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