Channel type and Analyses

Channel type and Analyses

Postby somnonaut » Thu Dec 04, 2014 1:16 pm

Ok, who actually has a firm grasp of the issue with channel type categories and the analysis routines use of said channels? Specifically, ETCO2. Also does anyone else have TWO ETCO2 channels (one waveform the other average) and the calibration cannot be consistent for both channels at once. You can either calibrate the hi and lo to the waveform channel, but then the Average channel is off by a few percent, or you can cal to the Average channel but then the Waveform channel will off by a few percent. Both channels assigned ETCO2 category.

ANd then there is the issue with having to have their default montages present in the common folder or the analyses will not work. What is up with that?
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Re: Channel type and Analyses

Postby linuxgeek » Fri Dec 05, 2014 6:48 am

Don't know anything about xltek, but if you are using a stereo output, then it's possible for one to bleed into the other which might explain your cals being off.

And by average, you probably mean end-tidal co2 breath value, or whatever they call it.
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Re: Channel type and Analyses

Postby somnonaut » Fri Dec 05, 2014 7:55 am

The average is user selectable for either 4 or 1 breath. (Don't ask me who averages 1 breath)

Nice suggestion on the plug. Recal'd each channel with only that one channel's plug plugged in and voila' channels now read same value. Never would have thought of that.
So is it an ETCO2 unit or XLTEK problem?

Thanks dude.
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Re: Channel type and Analyses

Postby somnonaut » Sat Dec 06, 2014 12:16 am

I take that back. Plugged all in and the voltage difference is still present no matter how the channels were independently calibrated.

Booo XLTEK
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