Enquiry about the time step interval in the Meteogram display

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Hi developers,

Could I ask why is the keyboard function key [ < ] [ > ] time step interval in the meteogram displays (for EC and US models) 2x the available function key step interval in the normal model display window?

That is, the function key EC time interval is 6 hourly in the meteogram and 3 hourly in the standard display window.

Is it possible to reduce the function key time step interval in the meteogram display to be equivalent to the model standard display - 3hourly for the EC and 1 hourly for the US models?

Regards.