HEIDENHAIN ITNC 530 - PILOT SMART NC Manual page 34

Function when the form is active (right side of screen)
Reset an already entered numerical value to 0
Delete completely the contents of the active input field
In addition, the TE 530 B keyboard unit has three new keys to allow you
to navigate even faster within the forms:
Function when the form is active (right side of
screen)
Select next subform
Select first input parameter in next frame
Select first input parameter in previous frame
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Key
Key