High Country Tek epc, Electronic Pump Controller - A Multi-Function SAE J1939 Compatible Module - Manual (Page 43)

023-00354-Rev1.6 evc/epc User Manual 43
Copyright © High Country Tek, Inc. – 2013
evc/epc Controller
With SAE J1939 Interface
Problems installing the Communication Port Adapters
Windows does not like Com ports with the same name, and some devices might hang onto a com port when not in
use. Here is how to clean and remove problem ports.
Option 1
Devices that have been installed but are not currently available are "phantom devices". These devices are not
usually displayed in the device manager, but can be made to be displayed.
This allows device properties to be changed or devices to be uninstalled even though the device is not physically
connected to the PC.
Control Panel

System Properties

"Advanced" option and click "Environment Variables"

In the System Variables sections, click "New"