Measurement Computing USB-3102 - Manual (Page 12)

USB-3102 User's Guide Installing the USB-3102
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If the power LED turns off
If the power LED is illuminated but then turns off, the computer has lost communication with the USB-3102.
To restore communication, disconnect the USB cable from the computer, and then reconnect it. This should
restore communication, and the power LED should turn back on.
Calibrating the USB-3102
The USB-3102 is shipped fully calibrated. Calibration coefficients are stored in the device FLASH memory.
Return the device to Measurement Computing Corporation when calibration is required. The normal calibration
interval is once per year.