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REPLACING THE ELECTRONIC COMPONENTS
PRINTED CIRCUIT BOARD A (2)
SETTING THE PRINTED CIRCUIT BOARD A
After install the printed circuit board A, select the appropriate setting of the printed circuit board A.
1. Turn the power switch on while simultaneously pressing left cursor button
“ ” and the right cursor “ ” button.
2. After the buzzer sounds, press the locking stitch button
q
within 2.5 seconds.
The LCD should displays “F”.
If not, press the locking stitch button to select “F”.
3. Press the start/stop button to determine the setting.
A long buzzer sounds when the setting correctly finished.
4. Turn the power switch off.
q
(2)
