Software release note for Source Four LED & Selador Desire fixtures; detailed change list not shown on page, only downloadable as a PDF release note
steps
what you'll need: UpdaterAtor (network/RDM via ETC Gateway or Gadget) or LED Configuration Software (legacy)
1Option A - UpdaterAtor: Connect fixtures via ETC Gateway or Gadget to Ethernet. Launch UpdaterAtor on Windows. Select S4LED or Desire fixture(s) and click Update.
2Option B - LED Configuration Software: Legacy tool (v1.1.0) for older hardware; download from etcconnect.com archive.
GotchaS4LED Series 1 (original Lustr) and Series 2 share the same firmware train v1.8.x.
GotchaDesire D22, D40, and Desire Fresnel also run the same v1.8.2 firmware as S4LED S1/S2.
GotchaThese products are on the Legacy page; v1.8.2 appears to be the final firmware for this platform.
GotchaUpdaterAtor requires an ETC Gateway or Gadget (USB-to-DMX interface) to reach RDM-capable fixtures.