Gary Drescher wrote:

That's pretty cool. Even more straightforwardly, if you have a spare
headset and intercom station, you can just give the recorder its own
headset, pressing the two ear pieces together with the recorder in between.

Would the "pilot isolate" or "crew isolate" feature interfere with that?

George Patterson
Great discoveries are not announced with "Eureka!". What's usually said is
"Hummmmm... That's interesting...."