Siemens SIMATIC VPU200 Programming Manual page 66

Additions to the Modify and Insert Operations (continued)
6-24 Programming Special Functions
As shown in the figure, the SFPGM function key is accessed by first
pressing the MODIFY or INSERT function key and then pressing the BOX
(F6) function key. When this key is pressed, the following function keys
appear at the bottom of the screen:
To access the SFPGM function key, press the spacebar. To return to the
function keys shown above, press the spacebar.
SIMATIC VPU200/565 Programming Manual