[Helium]

Hi everyone,
I am learning DO model so I am trying to simulate an incident radiation on a series of glasses. My question is: what boundary conditions do I have to impose on the external glass (the one irradiated first)?
The problem is that I am using solar calculator, but when I have to set radiation and thermal bc I do not see an option as "use what you computed from solar calculator". I explain better:
for "mixed" in "thermal" tab, I see various options to set, and in particulary one of them bothers me: "External Radiation Temperature". How am I suppose to set them? I just want to use what solar calculator obtains from location, time and date that I set.
Same situation in the "radiation" tab, where I find "Direct Irradiation" and "Diffuse Irradiation": I just want to use data from solar calculator (which are 1423 w/m^2 and 200 w/m^2 by default)

Any suggestion?

Thanks