HEIDENHAIN ITNC 530 - PILOT SMART NC Manual page 95

Additional parameters on the tool detail form:
U
DL: Delta length for tool T
U DR: Delta radius for tool T
U DR2: Delta radius 2 (corner radius) for tool T
U M function: Any miscellaneous function M
U
Spindle: Direction of spindle rotation. As a default, smarT.NC sets M3
U Tool preselect: If needed, this is the number of the next tool for faster
tool change (machine-dependent)
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