Epson Apex 20020 - Manual (Page 51)

If you did not make any changes or you want to cancel the
changes you made, highlight
Exit without saving
and press Enter. The command prompt appears on the screen.
(If you turned on or reset the computer with the Reference
diskette in the drive, the Operation menu appears on the
screen. Press 0 and Enter to return to the MS-DOS command
prompt.)
Note
If you changed the time or date, the new setting will be in
effect even if you exit the Setup program without saving
your changes.
If you want to save the settings you made, follow these steps:
1. Remove the Reference diskette from drive A.
2. Highlight
** EXIT AND SAVE
** and press Enter.
The program stores the new settings and resets the
computer using the new configuration. The
C
: \> prompt
appears on the screen.
If the computer displays a setup error message while it is
starting up, run the Setup program again and check all your
settings.
Running the Setup Program 2-11