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