HEIDENHAIN TNC 320 User Manual page 22

Fundamentals
TNC model, software and features
If a larger file is transferred to a USB device in the file
management, the control displays a warning until file transfer is
completed, see "USB devices on the TNC", page 155
In the file management, the control also shows the momentary
type filter with the path
In the file management the SHOW ALL soft key is now displayed
in all operating modes
In the file management the function SELECT DIRECTORY was
modified for copying files or directories. The soft keys OK and
CANCEL are available on the first two positions
The colors of the programming graphics were changed, see
"Programming graphics", page 168
In Test run and Programming operating modes the tool data is
reset if a program is reselected or restarted with the RESET +
START soft key
In Test run operating mode the control displays the datum of
the machine tool table as the reference point with BLANK IN
WORK SPACE, see "Show the workpiece blank in the working
space ", page 554
After modification of the active datum, resuming the program is
only possible after GOTO or mid-program startup, see "Moving
the machine axes during an interruption", page 564
With mid-program startup an FK sequence can be entered, see
"Any entry into program: Mid-program startup", page 569
Mid-program startup operation and dialog guidance has been
improved, also for pallet tables, see "Any entry into program:
Mid-program startup", page 569
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HEIDENHAIN | TNC 320 | Conversational Programming User's Manual | 9/2016