Enables/Disables ‘ECG Lead-Off’ detection, selecting between
AC or DC. DC lead-off detection involves injecting a small DC
current through the ECGP and ECGN leads, and measuring
the differential voltage that develops across the leads. AC
lead-off detection provides more detailed electrode contact
information by performing AC-impedance measurements and
can provide information about the quality of the electrode
tissue interface. Pay careful attention when selecting the
stimulus frequency during ECG measurements as the stimulus
frequency can and will interfere with ECG signals when
selected at low values. Refer to the MAX86178 data sheet for
more details.
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