HEIDENHAIN TNC 426 B User Manual page 38

To activate manual tilting:
To select manual tilting, press the 3-D ROT soft
key.
You can now select the desired menu option
with the arrow keys.
<
Enter the tilt angle.
<
To set the desired operating mode in menu option "Tilt working
plane" to Active, select the menu option and shift with the ENT
key.
<
To conclude entry, press the END soft key.
To reset the tilting function, set the desired operating modes in
menu "Tilt working plane" to Inactive.
If the Working Plane function is active and the TNC moves the
machine axes in accordance with the tilted axes, the status display
shows the symbol .
If you set the function "Tilt working plane" for the operating mode
Program Run to Active, the tilt angle entered in the menu becomes
active in the first block of the part program. If you are using Cycle 19
WORKING PLANE in the part program, the angular values defined in
the cycle (starting at the cycle definition) are effective. Angular
values entered in the menu will be overwritten.
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2 Manual Operation and Setup