Have you used "Record"? I don't think "Upload" appears until there is a block of recorded data to upload. I did attempt to record last night overnight. The display showed the blinking recording icon, then went dark, as the instructions indicated. I suppose it is possible I messed up at the end of t...

Thanks for the replies. I did load the SP02 software from the mini-CD included with the unit. The version shipped with the unit is SpO2 Assistant, version 2.2. That software showed that my device was attached (although I wonder if it is really just sensing the serial to USB converter chip buried in ...

Greetings, I just purchased a CMS-50E pulse oximeter and it arrived yesterday. While the unit itself seems to operate correctly, I'm having trouble connecting to a computer to upload. I bought it from ClinicalGuard. When I boot up the CME-50E, it displays ClinicalGuard.com After that, it displays Ve...