Epson LT-286 - Manual (Page 48)

If you have modified the gray-scale settings, press F1. The
screen displays the current gray-scale assignments. If you want
to make any changes, highlight
Change settings
and press
Enter. The main setup menu appears again, and you can make
any necessary changes.
When the settings are the way you want them, remove the
Reference diskette and insert your working copy of the Startup/
Operating 1 diskette in drive A. Then highlight
EXIT AND SAVE
and press Enter. At this point, the program resets the computer
using
the new configuration, and MS-DOS is reloaded. After you
press Enter twice to respond to the date and time prompts, the
A>
prompt reappears 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.
2-14 Running the Setup Program