HEIDENHAIN ITNC 530 - PILOT SMART NC Manual page 176

Working with contour programming
Overview
The contour elements are programmed using the familiar conversational
dialog functions. Along with the gray path functions keys, the powerful
FK free contour programming is also available. These forms are called via
soft keys.
The support graphics, which are available for each input field and clarify
which parameter is to be entered, are especially helpful for FK
programming.
All familiar functions of the programming graphics are available in
smarT.NC without restriction.
Dialog guidance in the forms is almost identical with that in
conversational programming:
The orange axis keys position the cursor in the desired input field
The orange I key is used to switch between absolute and incremental
programming
The orange P key is used to switch between Cartesian and polar
coordinate programming
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