Originally Posted by
Wildcat1971
only the pclink can update firmware, but you can also use a pc to adjust the esc settings. The prog gauge is for track side adjustments only. and you do not need both for the firmware, just the pclink.
This is correct. Think of it this way. The PC Link turns your Computer into a Progauge with the added ability to update firmware as well as add some tools like copying profiles and stuff like that.
The only time you NEED the PC Link, is for the firmware.