This controls the appearance of graphs when the ASDATE option is selected. Label, format and units are strings, year, month and day are numbers (integers). If any are left blank the current value will be returned. Thus, for example, to change just the year use.
TIMEAXIS>DATEDISPLAY|||2010
to changte just the format use
TIMEAXIS>DATEDISPLAY||YY MM
Note that you can't use a | in any of the text fields.
If you load a new model (or reload the current model) these settings will be lost.