HEIDENHAIN ITNC 530 - PILOT SMART NC Manual page 136

Unit 141 Datum Shift
Unit 141 Datum Shift is used to define a datum shift with the direct input
of shift values in the specific axes, or by definition of a number from the
datum table. You need to have specified the datum table in the program
header.
Select the desired definition type via soft key
U Define datum shift by entering a value.
U Define datum shift via the datum table. Enter datum number
or select SELECT NUMBER via soft key.
U
Reset the datum shift.
Completely reset datum shift: Press the RESET DATUM
SHIFT soft key. If you only want to reset the datum shift in
specific axes, program the value 0 in the form for the
respective axis.
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