Adding & patching fixtures

• Pick → patch: select a manufacturer, model, and DMX mode from the sidebar dropdowns. Optionally give it a name prefix, a group tag, and a quantity, then hit ＋ Patch Fixtures (or press Enter).
• Auto-#: with quantity > 1 and a name prefix, fixtures auto-number ("Spot 1, Spot 2…").
• Live preview: the box below the form shows exactly what addresses your next add will take before you commit.

Editing the patch

• Change mode: click the mode dropdown in any row. It updates all fixtures of the same model to the new mode automatically.
• Rename: click the fixture name cell and type.
• Lock an address: click the address cell and type 123 or U2/123 . Locked fixtures show 🔒 and keep their address; others auto-patch around them.
• Unlock: click 🔓 in the actions column.
• Reorder: drag the ⋮⋮ handle.
• Duplicate: click ⎘ or press Cmd/Ctrl+D while focused on a row.
• Delete: click ✕ or press Del/Backspace while focused on a row.
• Collapse a universe: click the universe header. Useful for big rigs.

Managing your library

• Add a new fixture: fill out the "Add to Library" form in the sidebar — manufacturer, model, and one or more DMX modes (name + channel count). Hit ＋ Save to Library.
• Delete a custom fixture: pick it from the "Delete Custom Fixture" dropdown. Built-in fixtures (ADJ, Chauvet, Elation, Martin) can't be deleted.
• Reset: the ↺ Reset to Built-in Library button wipes all custom additions and reverts to the 150+ built-ins.

Exporting

• ⬇ Library → JSON of the entire fixture library (built-in + custom). Use this as a backup, or to share your library with someone else.
• ⬇ Excel → clean formatted .xlsx of your current patch, ready to print or share with a crew.
• 🖨 Print → print-friendly black-on-white patch sheet.

Keyboard shortcuts

• Enter — patch fixtures (from the add form)
• Del / Backspace — remove focused fixture
• Cmd/Ctrl+D — duplicate focused fixture
• Cmd/Ctrl+P — print patch sheet

Universes

Each DMX universe holds 512 channels. If your rig needs more, fixtures spill into additional universes automatically. A universe showing TIGHT means it's 90%+ full — plan ahead before the next fixture won't fit. Use the "First Universe Number" setting if your console starts counting from 0 or some custom base.