USB Not Working NDC-4

USB Not Working NDC-4

If you're having difficulties getting the USB connection to the NDC-4 working, or if it has been working and now isn't, there's a few useful tests you can perform before contacting our support team which can be found here:  https://www.actisense.com/knowledge-base/nmea-0183/ndc-4/usb-not-working/
The USB lead must not be connected to a PC or laptop while the NDC-4 is powered via a battery connected to the "BATT" terminals.  Doing so will create a ground loop and damage the NDC-4's USB chip.  The USB connection is more than capable of supplying the NDC-4 with enough power to operate.

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