The previous post was corrected in the last paragraph. Please see the web site and check it.
"The only exceptions are the
The unity point we are talking here is the internal signal level of consoles when the consoles output +4dBu (0VU). This is the reference level of most equipment we use. Which means, when you see -20dBFS on your output meter of your M7CL, the console outputs signal of +4dBu.