Siemens SIMATIC S7-1500 System Manual page 315

Control keys
You operate the display using the following keys:
• Four arrow keys: "up", "down", "left", "right"
If you press and hold an arrow key for 2 seconds, this generates an automatic scroll
function.
• One ESC key
• One OK key
Figure 12-2 Control keys
NOTE
If the display is in energy-saving mode or in standby mode, you can exit this mode by
pressing any key.
Functions of the "OK" and "ESC" keys
• For menu commands in which an entry can be made:
– OK → valid access to the menu command, confirmation of input, and exit from the edit
– ESC → restore original content (changes are not saved) and exit edit mode
• For menu commands in which no entry can be made:
– OK → to next submenu command
– ESC → back to previous menu command
Hold ESC for about 3 seconds on any screen of the display. Result: You automatically return to
the home page.
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD
mode
Display
12.1 CPU display
315