Multi-track tape recorder

Hey,

I wanted to know if any of you guys know what is the "auto-input" button on a multi-track tape recorder.

Thanks

In Auto-Input mode, software behaves like a tape machine, in that when the machine is in Play you hear what's recorded on the tape, but whilst in Rec, Stop, Rew, FF or Pause you hear what is coming in through the input to that particular track. This is the mode you wanna use when punching in.

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very helpful input.