IBM 3270 Manual page 160

16. Type the DOS TIME command:
I
Nm,
17. Press the Enter key.
18. Wait for this message:
Current time is 8:17:35.50
Enter new time:
The time shown will be different on your
system.
Before you type anything else, we will put a
pause here.
19. Press the Alt and Pause keys.
You may type anything you want, but it will
not be recorded.
20. Press the Alt and Pause keys again.
21. Press the Enter key and wait for the DOS
prompt.
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Chapter 11. Recording/Playing/Erasing Keystrokes 11-9