Brother DB2-DD7100, Service Manual

Page: 107 / 153

17. SPEED SETTING METHODS
SL-710A
100
17. SPEED SETTING METHODS
17-1. Types of speed settings
Type of speed
Signal Speed
Speed setting range Initial setting
Minimum setting
unit
Lo Low speed 150 - 300 220 10
T t Thread trimming speed 150 - Low speed 220 10
SL Slow speed Low speed - 1000 220 100
LI (*1)
Start backtacking limit
speed
Low speed - 3000 1800 100
Sb (*2) Start backtacking speed
Low speed - Start backtacking limit
speed
1800 100
Eb End backtacking speed Low speed – 3000 1800 100
H (*2) High speed Low speed - Limit speed Limit speed 100
Au Automatic speed Low speed - High speed Limit speed 100
Po
Stop improvement
speed
(Do not change.) 1500 100
*1: The actual speed for LI is dependent on Sb.
*2: Sb (Start backtacking speed) and H (High speed) can also be set and changed using the operation panel.
17-2.Setting method
DANGER
Wait at least 10 minutes after turning off the power switch and disconnecting the power cord from the wall outlet
before opening the face plate of the control box. Touching areas where high voltages are present can result in
severe injury.
1. Set DIP switch 8 to ON.
2. Turn on the power switch (1).
3. Press the half stitch key (2) and the AUTO key (3)
simultaneously.
The "Lo" (Low speed) symbol will appear in LED
display AB (4).
4. Press the sewing speed key (5).
5. The "Lo" (Low speed) setting speed will appear in LED
display ABCD (4).
(2)
(3)
(4)
1877M
(4)
(5)
1878M
1842M
(1)