Siemens SINUMERIK 840D sl Function Manual page 499

Block search
During block search with calculation, all GET, GETD or RELEASE blocks are stored and
output after the next NC Start.
Exception:
Blocks which are mutually exclusive are deleted.
Example:
N10
N40
N70
Extended Functions
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Mode Groups, Channels, Axis Replacement (K5)
RELEASE (AX1)
GET (AX1)
Target
Marginal conditions
Blocks are deleted.
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499