Press F1 for multilingual help, depending on language setting in configuration
Press F2 to save preboot.log from GUI
Press F4 to save original (OEM) ACPI tables into /EFI/CLOVER/ACPI/origin
Press F5 to test DSDT patching
Press F6 to save graphics firmware into /EFI/CLOVER/misc
Press F10 to save screenshots from GUI
Press F12 to eject CD/DVD