I took a P-40N with 2x wing DTs and 1x fuselage 500lb bomb a day ago in LWA. In-flight it showed only one secondary select option, and that was "b50" -- and I believe it listed the fuel quantity in my DTs underneath it. By dropping one tank then the other I was now down to my bomb. I couldn't separate DTs and bombs. They all listed as the same.
Just FYI.