Troubleshooting

Why is the system asking to calibrate again within 48h? Why is my calibration "incomplete"? Is it possible that the bracelet took a measurement, while I was not wearing it? How do I change the language of my Newsletter? What should I do if my Hilo Band gets wet? Can I charge the Hilo Band while it is wet? I had a skin rash on my wrist where I usually wear the bracelet; what should I do?