HEIDENHAIN ITNC 530 - CONVERSATIONAL PROGRAMMING User Manual page 520

Screen layout for executing pallet tables
You can have the TNC display the program contents and pallet file
contents on the screen together by selecting the screen layout PGM
+ PALLET. During execution, the TNC then shows program blocks to
the left and the pallet to the right. To check the program contents
before execution, proceed as follows:
U
Select a pallet table
U With the arrow keys, choose the program you would like to check
U Press the OPEN PGM soft key: the TNC displays the selected
program on the screen. You can now page through the program with
the arrow keys
U To return to the pallet table, press the END PGM soft key
520 Programming: Pallet Editor