1. Input source comes from either INPUT [1] or INPUT [2].
2. Input sources come from both [MIC]s or INPUT [1] & [2].
Recording is created by mixing signals from both sources
or
1. Input source comes from either INPUT [1] or INPUT [2].
The same signals are sent to both tracks.
2. The input source comes from either [MIC] or INPUT [1] [2].
or