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Get device care, troubleshooting tips, and user manuals
CORE 500: Get started
Get started with the CORE 500™
CORE 500™ overview and indications
What's included in your CORE 500™ box
Understanding the CORE 500™ screen
Best practices for audio and ECG quality with the CORE 500™
CORE 500™ screen descriptions
See all 7 articles
CORE 500: Using the device
Take a recording with the CORE 500™
CORE 500™ earpiece
Take multiple recordings at a time with the CORE 500™
Turn on and off the CORE 500™
CORE 500™ battery and charging
CORE 500™ audio filters
See all 9 articles
CORE 500: Troubleshooting
Hard reboot the CORE 500™
CORE 500™ firmware update mode (box with arrow)
CORE
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
See all 13 articles
DUO ECG Digital Stethoscope
DUO Troubleshooting Guide
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™
Buzzing or Humming in Audio: DUO
Bluetooth Connection Issues: DUO
See all 12 articles
User Manuals
User Manuals
Previous Versions of User Manuals