To change the filter settings on your Littmann CORE, start by turning on the CORE and pairing with your mobile device on the Eko App. Tap the top left corner to go into your settings. Then use the Audio Filter toggle to choose between your three options. See figures below.
The three filter options are:
- Wide: 45Hz-750Hz (Heart and Lung sounds)
- Cardiac: 35Hz-110Hz (Heart and Bowel sounds)
- Pulmonary: 275Hz-750Hz (Lung sounds)