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When the pedal sensor is changed (KFL
→
PFL or
PFL
→
KFL), replace the jumper
to fit the pedal
type changed.
(Caution)
1. Type of pedal sensor with two return springs
is PFL, and that of pedal sensor with one is
KFL. Set the pedal sensor to PFL when lifting
the presser foot by depressing the back part
of the pedal.
2. When changing the jumper, be sure to do the
work after turning OFF the power. If the jumper
is changed while the power is ON, the setting
does not change. The main unit may be bro-
ken.
(4) Change-over procedure of the jumper
1) Pressing switch
, turn ON the power switch.
2) Indication on the screen will be as illustrated in
.
At this time, the value indicated in the 7 segments
of four figures is the compensation value.
(Caution)
At this time, the pedal sensor does not work
properly if the pedal is depressed. Do not
p l a c e t h e f o o t o r a n y o b j e c t o n t h e
pedal.Warning sound “peeps” and the com-
pensation value is not displayed.
3) Turn OFF the power switch once, and turn ON
the power switch after closing the front cover to
return to the normal mode.
(5) Automatic compensation of neutral point of the pedal sensor
Whenever the pedal sensor, spring, etc. are replaced, be sure to perform following operation :
KFL • PFL
KFL • PFL
KFL setting
PFL setting
