HEIDENHAIN TNC 640, User Manual, Page: 93 / 948

Introduction | Visual display unit and operating panel
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
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2.2 Visual display unit and operating panel
Display screen
The control is shipped with a 19-inch TFT flat-panel display.
1 Header
When the control is on, the screen displays the selected
operating modes in the header: The machine operating mode
at left and the programming mode at right. The currently
active mode is displayed in the larger field of the header,
where the dialog prompts and messages also appear (excep-
tion: if the control only displays graphics).
2 Soft keys
In the footer the control indicates additional functions in a
soft-key row. You can select these functions by pressing the
keys immediately below them. The thin bars immediately
above the soft-key row indicate the number of soft-key rows
that can be called with the keys to the right and left that are
used to switch the soft keys. The bar representing the active
soft-key row is blue
3 Soft-key selection keys
4 Keys for switching the soft keys
5 Setting the screen layout
6 Key for switchover between machine operating modes,
programming modes, and a third desktop
7 Soft-key selection keys for machine tool builders
8 Keys for switching the soft keys for machine tool builders
If you are using a TNC 640 with touch control, you can
replace some keystrokes with hand-to-screen contact.
Further information: "Operating the Touchscreen",
page 131
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7 7
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5
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3
4
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Setting screen layout
The screen layout is user-selectable. In the
Programming
mode,
for example, you can have the control show program blocks in the
left window while the right window displays programming graphics.
You could also display the program structure in the right window
instead, or display only program blocks in one large window. The
available screen windows depend on the selected operating mode.
Set up screen layout:
Press the
screen layout
key: The soft-key row
shows the available layout options
Further information: "Modes of operation",
page 95
Select the desired screen layout with a soft key