Brother PR600 Service Manual page 216

Test mode
6. [TRIM MOTOR TEST]
[MOVE ORIGIN POSITION] : Returns the trim (thread cut) motor to its origin.
[MOVE TRIM MOTOR]
[TRIM ON OFF]
[TRIM MANUAL]
[CLOSE]
7. [WIPER/JUMP MOTOR TEST]
[MOVE ORIGIN POSITION] : Returns the wiper and jump bracket motor to their origins.
[MOVE WIPER]
[WIPER ON OFF]
[MOVE JUMP]
[JUMP ON OFF]
[CLOSE]
8. [PICKER MOTOR TEST]
[MOVE PICKER]
[PICKER ON OFF] : Turns the picker on and off.
[<][>]
[CLOSE]
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: Moves the trim (thread cut) motor.
: Turns the trim (thread cut) motor on and off.
: Cuts the thread.
: Closes the <TRIM MOTOR TEST> screen.
: Moves the wiper.
: Turns the wiper on and off.
: Moves the jump bracket.
: Turns the jump bracket on and off.
:Closes the <WIPER/JUMP MOTOR TEST> screen.
: Moves the picker motor.
: Sets the picker drive over-pulses. (Determines the position the picker turns on.)
: Closes the <PICKER MOTOR TEST> screen.