Pfaff 8390 Instruction Manual page 42

Heat sealing
Start
(This function appears when the top feed roller is lowered.)
With this function the sealing start is called up, analog to the pedal function "+2", also see
Chapter 7.04 Pedal.
Feed roller up/down
With this function the top feed roller, depending on its position, can be raised or lowered,
analog to the pedal functions "-1" and "+1", also see Chapter 7.04 Pedal.
Feed rollers in reverse
This function makes it possible to call up the reverse running function of the feed rollers.
Carriage menu
With this function the carriage menu is called up so that the machine can be moved on the
track bed, see Chapter 10.08 Carriage menu.
Input menu
This function is used to call up the "input" mode, see Chapter 11 Input.
Stop
(This function appears during the sealing operation.)
This function is used to stop the sealing operation, analog to pedal function "-1", also see
Chapter 7.04 Pedal.
During the sealing process, the machine is operated by pedal and foot switch,
see Chapter 7 Controls.
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