Key takeaway
Key takeaways
- Exact models, not categories, on the equipment list
- Spares for anything that would stop the show
- Power sanction plus generator changeover confirmed
- One named show-caller holding the cue sheet
Intelligent Moving Head Lights: pre-show checklist
Equipment & specification
- Beam fixtures confirmed: Clay Paky Sharpy class, approximately 189 W discharge, very narrow dense beam
- Hybrid fixtures confirmed: Robe MegaPointe and Clay Paky Mythos class, beam, spot and wash in one body
- Large profiles confirmed: Robe BMFL and Esprite class, up to 1,700 W discharge or high-output LED engine
- Wash fixtures confirmed: LED wash and zoom units with RGBW or additive multi-emitter colour mixing
- Rig sizes confirmed: 24 – 300 fixtures across front truss, mid trusses, uprights and floor positions
- Itemised list naming exact models, not categories
- Spares for mics, cables, processors and any single point of failure
Power & safety
- Venue sanctioned load confirmed in writing against the rig's draw
- Silent generator sized with automatic changeover
- Earthing check completed and logged
- Rigging certification and load calculations signed off
- Cable covers on every walkway and crowd line
People
- Fixture technician named and briefed
- Dimmer and power technician named and briefed
- Data technician named and briefed
- Rigger named and briefed
- Followspot operator named and briefed
Timings
- Load-in slot agreed with the venue in writing
- Sound check and line check scheduled
- Full technical rehearsal booked with real presenters and real content
- Venue curfew and strike window confirmed
Content & handover
- Fixture inventory listing make, model and quantity by position
- Printed and digital patch sheet with every DMX address
- Power schedule with circuit-level loads and phase balance
- Data topology drawing showing node placement and chain lengths
- All video, audio and slides delivered 72 hours ahead in the agreed format
What this checklist is protecting you from
What can go wrong
How we prevent it
- What can go wrong
One long DMX daisy chain across sixty fixtures produces intermittent flicker nobody can locate.
How we prevent itData is distributed from multiple sACN nodes into short terminated chains, so a fault is isolated to a handful of fixtures and found in minutes.
- What can go wrong
A mixed rig of discharge profiles and LED washes trips a circuit because load was estimated by fixture count.
How we prevent itLoad is calculated fixture by fixture from actual draw, not averaged, with phases balanced and the schedule checked against measured current at power-up.
- What can go wrong
A gobo wheel is a few degrees out on a rear fixture — invisible at focus, obvious in every photograph.
How we prevent itCalibration and wheel alignment are verified during warehouse burn-in, and the focus pass includes a gobo and prism check on every unit rather than a spot sample.
- What can go wrong
Rain reaches non-rated fixtures on an outdoor upright and three units fail during the show.
How we prevent itExposed positions are specified with IP65 fixtures from the outset, because improvised rain hats alter the beam and still let water in from below.
- What can go wrong
Fixtures are hung with clamps but no safety bonds under time pressure.
How we prevent itBonding is a non-negotiable item on the rigging checklist, signed off position by position before the truss goes to trim.
- What can go wrong
A fixture fails mid-show and there is no way to replace it without dropping the truss.
How we prevent itComplete spare fixtures travel with the rig, critical positions are doubled where the plot allows, and the stack is built so a dead unit's job can be reassigned live.
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Published 15 May 2026 by the Prime AV Solutions production team.