- CORE™ Troubleshooting Guide
- Charging Issues: CORE
- CORE Digital Attachment (2nd Gen) Overview and Care
- 3M™ Littmann® CORE Digital Stethoscope Overview and Care
- Best Practices for Audio Quality with the CORE Attachment
- Take a Recording from the CORE™ Attatchment
- Bluetooth Connection Issues: CORE Attachment
- Cracked Tubing Connectors
- Flat Line on the PCG
- Loose Chestpiece or Earpiece
- Low Sound Amplification: CORE
- Replacement Ear Tips: CORE
- Weak Bluetooth Signal: CORE Attachment