Epson EL 3S/33 - Manual (Page 84)

7. Select Graphics Screen Type.
8. Choose Trident TVGA.
9. Select one of the extended graphics drivers. Choose from
800 x 600, 16 colors; 1023 x 768, 16 colors; and 786 x 1024,
16 colors.
10. Now select Text Screen Type.
11. Choose Trident VGA.
12. Select the resolution you want for your text driver.
13. Press F7 to exit. Your selection is saved and used for
displaying text as well as the print preview and graphics
functions of WordPerfect.
5-8 Installing Video Drivers