Quote - is there anything in the user interface that toggles that dial or indicates its state.

There might be, but if there is, I don't know what it is. I just used ytran as an example, the switch (I'm assuming it is a boolian switch) gets placed in absolutely every channel in the file (pp2 or cr2).

Quote - Perhaps in 25000-parameters.psd ?

What's the "25000-parameters.psd", and where would I find it?