i have a digole color lcd 320x240.

is there documentation on the charset ? for example if i need print the omega symbol by arduino library

lcd.print('Ω');

the lcd print the copyright symbol

©

 It's standard font set on small size of fonts, and for large font like #123, only include numbers, if you need special font, you can use any font in u8glib, or design yourself font by using our online tool, then download it to the user fonts space on the display.