Mr. Smith, Thanks for responding via my number system. It helps keep track of whether questions are answered or not. When I look at figure 34 in the datasheet, I see RLD_OUT going into RLD_IN. After RLD_IN, I see it essentially replacing IN8P and IN8N electrodes so you can read the signal. I'm hoping to use the RLD signal to help get rid of 60 Hz noise, but my current board doesn't offer access to RLD_OUT. I don't fully understand the RLD signal and how to use the electrode. 1) Is the RLD electrode an input or an output for my device? 2) If I understand the process correctly, I take the RLD signal, apply it to the patient via the RLD electrode. This helps eliminate 60 Hz noise. Is 2) correct? Or am I missing how the RLD_electrode works? 3) Is there a way to send the signal through a different pin besides RLD_OUT? I thought in an earlier post (of yours) that it was possible to send this signal out a different channel. Is this shown in figure 33? MUX bits either 110 or 111? Thanks for your help in this project and your timely responses. Best, Spencer
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