Default 2 hex keypads is configured. The second keypad is configured by selecting checkbox 'VP580 Expansion Keypad' (orange ellipse) or checkbox 'VP590 Colour Board' (yellow ellipse). The only known game using 2 keypads is the Chip-8X game blockout.
To change and view the hex keypad to PC key mapping select the 'Key Map' button (green ellipse), see also chapter Key Mapping
To use the VIP with ASCII keyboard support select the keyboard checkbox (blue ellipse).