Raw data clearly contains an ECG channel. Yet raw.info shows ECG channels as 'Not available'.
Use raw.set_channel_types
Eg.) raw.set_channel_types({'ECG1-ECG2':'ecg'})
Copyright © 2021 Jogjafile Inc.
Use raw.set_channel_types
Eg.) raw.set_channel_types({'ECG1-ECG2':'ecg'})