Brother RH-9820 Service Manual page 195

(B)
5. Press the
The looper base (5) will move as the keys are pressed. Do
this until the looper base reference line (0°) <b> is aligned
with the bed reference line <a>.
* The setting range is -12.86 ° - +12.86° (in units of 0.64°).
6. Press the ENTER key (6).
The home position detection operation will be carried out,
and the offset value (B) will be saved.
NOTE:
If you continue to the next step without pressing the
ENTER key (6), the offset value will not be changed.
7. Check that the bed reference line <a> and the looper base
reference line (0°) <b> are aligned.
* If they are not aligned, repeat steps 5 and 6 until they
are aligned.
8. Press the TEST key (7).
Home position adjustment mode will end and the sewing
machine will return to home position standby.
1194B
0764B
0733B
RH-9820
7. ADJUSTMENTS
or key (1) to change the offset value (B).
186