2 visual display unit and keyboard, Visual display unit – HEIDENHAIN iTNC 530 (340 420) ISO programming User Manual
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HEIDENHAIN iTNC 530
31
1
.2 V
isual Displa
y Unit and K
e
yboar
d
1.2 Visual Display Unit and
Keyboard
Visual display unit
The TNC is available with either a BF 150 color TFT flat-panel display 
or the BF 120 color TFT flat-panel display. The figure at top right shows 
the keys and controls on the BF 150, and the figure at center right 
shows those of the BF 120.
1
Header
When the TNC is on, the selected operating modes are shown in 
the screen header: the machining mode at the left and the 
programming mode at right. The currently active mode is 
displayed in the larger box, where the dialog prompts and TNC 
messages also appear (unless the TNC is showing only graphics).
2
Soft keys
In the footer the TNC indicates additional functions in a soft-key 
row. You can select these functions by pressing the keys 
immediately below them. The lines immediately above the soft-
key row indicate the number of soft-key rows that can be called 
with the black arrow keys to the right and left. The line 
representing the active soft-key row is highlighted.
3
Soft-key selection keys
4
Switches the soft-key rows
5
Sets the screen layout
6
Shift key for switchover between machining and programming 
modes
7
Soft-key selection keys for machine tool builders
8
Switches soft-key rows for machine tool builders
1
3
1
1
4
4
5
1
6
7
8
2
2
1
1
1
4
3
1
5
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4
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