A value
of 0 % will place first plunge at the beginning of the area to machine,
by taking into account the machining direction Example:
With a left machining direction, 0 % will place the first plunge in the
right extremity of the area to machine
A value
of 100 % will place first plunge at the end of the area to machine, by
taking into account the machining direction Example:
With a left machining direction, 100 % will place the first plunge in
the left extremity of the area to machine
A value
of 50 % will place first plunge in the middle of the area to machine.