Brother T-8421D Instruction Manual page 65

No. Setting
range
410 0 to 1
Standard device settings (500 to 599)
No. Setting
range
500 OFF, 1
Default value Setting
unit
0 1
Default value Setting
unit
1 1
Setting details
2: C-D
3: C-D-C
4: C-D-C-D
5: C-D-C-D-C
6: C-D-C-D-C-D
Operation mode for manual production counter increment
function using hand switch
0 : Counter can be incremented at any time
1 : Counter can only be incremented after sewing stops and
thread has been trimmed
Setting details
Presser foot lifter switch function
OFF: Disabled
1: Presser foot lifter switch
52