And ...

BOOBY TRAP!

Sadly, this is largely how it would be done. That tiny connector is for the microphone on top of the machine, near the function wheel.

Look at that assembly! It's absolutely monstrous -- the numerous dials, the power button, the playback button, the hot shoe ...

Some of which looks unnecessarily delicate, but hey, these are dials. Non-digital dials that use physical contact on every single click. And the copy-paste button (that's how I call it) had its own light.

Let's put it aside for now ...