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4.8 Changing the Volume
The device’s sound level can be amplified in seven increments. Change the volume level by pressing the top (+) and bottom (-) of the volume
button on the side of the device. The volume change is confirmed on the screen of the device.
4.9 Changing the Audio Filters
Press the top button for less than one second to switch to a dierent audio filter. You must press for less than
one second between each audio filter. The available filters are cardiac (with ECG), pulmonary (with lung
sounds), and wide (for all use cases) .
Example
The device is in cardiac mode. You press the top button for less than one second. The audio mode
changes to pulmonary mode. You press the top button for less than one second. The audio mode changes
to wide mode.
4.10 Capturing Sounds and ECGs
To capture sounds and ECGs, the CORE 500™ can be used on various locations and orientations of the chest. Each position will produce a unique
body sound and ECG tracing. For ECG, place the device directly onto the patient’s skin. Do not perform an ECG over the patient’s clothing.
Audio
Capture sounds by placing the CORE 500™ anywhere on the body. For best audio, press the device firmly against the patient to reduce movement.
ECG
Capture the ECG signal by placing the CORE 500™ on the skin. The audio filter icon should be at the top, facing up. One position that works well
is the left upper sternal border (next to the left sternum edge between the second and third rib), as shown in the placement illustration below. If
the patient has particularly dry skin, significant body fat or chest hair, then alcohol wipes or conductive gel used with other ECG systems may be
applied to CORE 500™ electrodes to improve the quality of the ECG signal.
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