It is possible to disable or reenable the HUD display with the bottom button options in game. Likewise it is possible to enable/disable the data graph display, as this also has it’s own button option.
However it is not possible to have the HUD off but the data graphs on, as the data graphs display is disabled when the HUD is disabled, even though it has its own configuration option.
It would be great if the data graph control was completely independent of the HUD control, so that the data graphs could be on with the rest of the HUD off.