- DUO™ ECG + Digital Stethoscope (2nd Gen) overview and care
- Best practices for audio and ECG quality with the DUO
- Take a recording from the DUO™
- DUO troubleshooting guide
- Buzzing or humming in audio: DUO
- Bluetooth connection issues: DUO
- Weak Bluetooth signal: DUO
- Charging issues: DUO
- Unable to get good ECG
- Low sound amplification: DUO