Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
Selection View Channel Begin Time (s) End Time (s) Low Freq (Hz) High Freq (Hz) Species Notes 1 Spectrogram 1 1 390 413 100 7900 Kiwi 2 Spectrogram 1 1 225 268 100 7900 Kiwi