Brother DB2-DD7100, Service Manual

Page: 108 / 153

17. SPEED SETTING METHODS
SL-710A
101
6. Press the sewing speed key (5).
7. The "t" (Thread trimming speed) symbol will appear in
LED display AB (4).
8. In this way, the symbol and the corresponding speed
will appear in the order given in the "Types of speed
settings" table on the previous page each time the
sewing speed key (5) is pressed.
9. Press the sewing speed key (5) several times to
display the speed setting corresponding to the symbol
for the speed that you would like to set in LED display
ABCD (4).
10. Press the and keys (6) to change the speed
setting.
* If you would like to operate the machine at this point
to check the speed, proceed to "17-3. Checking the
speed settings".
11. When the setting is complete, turn off the power switch (1).
12. Set DIP switch 8 to OFF.
17-3.Checking the speed settings
While the setting speed is being displayed as described in
step 10 above, carry out the following operations.
1. Press the half stitch key (1).
The sewing machine will operate at the set speed.
2. Press the half stitch key (1) once more to stop the
sewing machine.
3. Return to step 10 above.
Note:
When checking the "H" (High speed) setting, carry out the following operations.
1. Press the half stitch key (1) to start the sewing machine at low speed.
2. Depress the treadle to the maximum.
The sewing machine will operate at the high speed that has been set.
3. Return the treadle to the neutral position. The sewing machine will decelerate to low speed.
4. Press the half stitch key (1) once more to stop the sewing machine.
5. Return to step 10 above.
(4)
(5)
1879M
(4)
(5)
1881M
(6)
1880M
(5)
LED display
1882M
(1)
Speed setting