134
1
1
When the regulator becomes filled with water, turn knob
1
for drain counterclockwise.
Periodically clean dust bag
1
.
When the dust bag becomes excessively filled
with waste thread, there may be cases where
clamp failure occurs.
（
）
1
3
2
A
1) Press in the direction of arrow mark the click of section
A
of cord outlet cover
2
assembled in the rear of
operation panel
1
and remove the cover.
2) Turn LCD screen display brightness adjustment
variable resistor
3
to adjust the brightness (contrast)
of LCD screen.
Light Shade
To prevent the operation panel from
breakage, do not touch the circuit
board pattern and the connector
terminal.
Cau tion
9-2. Adjusting the contrast of the operation panel display
9-3. Draining (Bird’s nest prevention (CB) type only)
9-4. Cleaning the dust bag (Bird’s nest prevention (CB) type only)
