Second what Footer said about using Express and moving lights. For anything beyond presetting a couple "refocusable specials" it will be cripplingly slow to program, and you'll burn a lot of extra time during tech.
Broadly speaking, if you are in a jurisdiction that has adopted the International Building Code (used as a model code for new construction in most jurisdictions in the US and Canada) and the International Fire Code (similar, used by fire officials, however a competing model code is used in quite...
The constant power CC20 modules are inexpensive in the grand scheme of things, will free everyone from awkward conversations if something else goes wrong in the rack later, and will leave you with spare D20AF's when you need them someday.
The Express "Release" key sitting in the same place as the Ion/Eos "At" key has caused me so much trouble with muscle memory when I need to work quickly.
A couple of things to check in the settings:
-max number of dimmers/addresses - Setup -> 1 (system settings) -> 1 (number of dimmers)
-Is dimmer doubling turned on? If so, output port 2 will start at 257. I think this is a softkey while you're in system settings, under output config
-Start...