1. How many channels are in a single DMX512 universe? · 128 · 256 ✓ 512 · 1024 DMX512 carries exactly 512 channels per universe — hence the name.
2. A fixture is patched at address 505 in a 12-channel mode. What happens? · Fine — it fits ✓ It overruns past 512 · It uses universe 2 automatically · Address must be even 505 + 12 − 1 = 516, which runs past channel 512. It must move down or to another universe.
3. The "instrument schedule" lists fixtures primarily sorted by… · Control channel ✓ Position & unit number · Colour · Weight The schedule is organised by position and unit number; the channel hookup sorts the same data by channel.
4. Which protocol carries many DMX universes over an Ethernet network? · MIDI ✓ sACN / E1.31 · XLR analog · DALI only sACN (E1.31) and Art-Net both transport multiple universes over standard networks.
5. What is a "magic sheet"? · A gel swatch book ✓ A graphic channel cheat-sheet for the designer · The truck pack list · A safety certificate The magic sheet maps channels by system and area so the designer cues from layout, not numbers.
6. A scaled light plot must always include… ✓ A title block, key and scale · The artist's rider · A weather forecast · The seating chart Title block, legend/key and a stated scale make the plot a buildable source of truth.