Display GLCD_ 128x64_ chip st7920

Using Arduino Displays
1

Hi everyone,i hope you help me with some words in u8glib.

  • What is a getMode function? What is U8G_MODE_HICOLOR ? U8G_R3G3B2, U8G_MODE_GRAY2BIT?
    If you know links of tutorial about this information, could you share me?

thank all very much.