Hey BigK.
If your using Elation Pixel tape then you must be using the Flex Pixel Driver 1 which has a digital Display. That needs to be set to 072 for 1 roll of Flex Pixel tape (10ft) or 144 for 2 rolls of Flex Pixel Tape (20ft) The number is the qty of Pixels and not DMX address. by default these always start a DMX channel 001.