INSTALL/grub/help/en_US.txt

   1  L - Language Select
   2 F1 - Display help information
   3 F2 - Browse and boot files in the local disk
   4 F3 - Switch menu mode between Treeview <-> ListView
   5 F4 - Boot Windows/Linux on the local disk
   6 F5 - Utilities
   7 F6 - Load Custom Grub2 Menu
   8 F7 - Switch between GUI Mode <-> TEXT Mode
   9
  10 m/Ctrl+m - Checksum image files (md5/sha1/sha256/sha512)
  11 d/Ctrl+d - Memdisk Mode (Only for small WinPE/LiveCD ISO/IMG)
  12 w/Ctrl+w - WIMBOOT Mode (Only for Windows/WinPE ISO files)
  13 r/Ctrl+r - Grub2 Mode (Only for some Linux distros)
  14 i/Ctrl+i - Compatible Mode (Only for debugging)
  15 u/Ctrl+u - Load ISO EFI driver (Only for debugging, cannot be used officially)
  16
  17
  18
  19 Press ESC to return ......