HEIDENHAIN TNC 320 (340 55x-04) - Manual (Page 488)

488
Error messages Error messages (e.g. limit switch
messages) are still active after the error
has been corrected and must be
acknowledged separately. Error messages are sometimes
acknowledged automatically after the
error has been corrected.
Editing Q-parameter contents after
program run was interrupted by
switching to the Single block mode of
operation. The INTERNAL STOP soft key must
also be pressed to cancel the program. Direct editing possible
Manual traverse during program
interruption and with active M118 Function not available Available function
Function TNC 320 iTNC 530