I knew what you meant. As far as I know there is no way around it. And your close. The rec dials out to the dac and it keeps a tally of all the ones it hears from. Of course the list is matched up w/ a list of rec's and the ones that are not on the list are investigated. What I asked is how much was the back charge.
This is CABL.com posting #147345. Tiny Link: cabl.co/mMuH