Key takeaway
Key takeaways
- T-4 weeks: Sightline study
- T-3 weeks: Signal plan
- T-2 weeks: Content standards issued
- Show day −1: Build and signal proving
How LED screen rental is actually delivered
IMAG — image magnification — exists for one reason: so the person in row forty can read a face. The brief is visibility and legibility, not scenic design. Screen size comes from the furthest viewer: a usable rule is that text height on screen should be at least one fiftieth of the viewing distance for comfortable reading, which pushes side screens on a long ground to six metres wide and upward. Standard 16:9 formats are the right choice here, because content is a live camera cut and a presentation deck, both of which already live in that aspect and should never be letterboxed or stretched to fit a creative canvas.
From enquiry to load-out
- T-4 weeks
Sightline study
Furthest-viewer distance and audience spread set screen sizes, positions and whether delay screens are needed.
- T-3 weeks
Signal plan
Switcher input list, output map, cable route and fibre requirement drawn for every screen position.
- T-2 weeks
Content standards issued
Deck aspect ratio, safe title area, minimum font size and frame rate sent to every presenter and the content team.
- Show day −1
Build and signal proving
Screens built, every signal path tested end to end, per-position delay set and brightness matched across positions.
- Show day, T-4 hours
Rehearsal
Camera IMAG rehearsed, deck transitions walked through, backup playback machine proved under a live switch.
- Show day to +4 hours
Show and strike
Operated live with spares on hand; delay positions struck first because they are furthest from the trucks.
Who is on site
- Vision mixer
Cuts the IMAG programme live from cameras and presentation sources, and protects the stage feed from screen-side changes.
- LED technician
Builds and maps each screen, verifies brightness against ambient light and holds spares for every position.
- Signal engineer
Runs fibre or SDI to every screen and delay position, proves the paths and sets per-position video delay.
- Presentation operator
Receives, versions and cues decks and video, and keeps a mirrored backup machine one slide behind.
- Delay position technician
Builds, powers and monitors a remote screen, and holds position in case signal or power drops.
What you should receive
Deliverables
- Sightline study showing screen sizes against furthest viewer distances
- Switcher input and output map with the full signal route
- Presentation standards document for every presenter
- Per-position video delay sheet matched to audio arrival times
- Brightness and colour match record across all screen positions
- Programme recording of the IMAG cut as actually shown
What we plan around
What can go wrong
How we prevent it
- What can go wrong
A presenter's deck is 4:3 or uses 12 pt body text and is illegible from row twenty.
How we prevent itPresentation standards go out at T-2 weeks with aspect ratio, safe area and minimum font size, and we re-format decks on site rather than show something nobody can read.
- What can go wrong
IMAG video arrives before the delayed audio at a far position and lip-sync looks broken.
How we prevent itEach screen position gets its own video delay, measured against the audio arrival time at that exact spot during the build.
- What can go wrong
A long copper HDMI run to a delay screen works at build and drops out when the sun hits the cable.
How we prevent itAnything beyond about 20 m runs on fibre or 12G-SDI with a tested redundant path, and copper HDMI stays inside the rack.
- What can go wrong
The outdoor screen is unreadable by mid-afternoon because it was specified at indoor brightness.
How we prevent itDaylight positions are specified at 5,000 nits minimum, 7,500 in direct sun, and we check the sun path for the actual show hours at the survey stage.
The detail that matters
Delay screens handle depth. Beyond roughly 70 to 80 metres from the stage, a main screen is too small to read regardless of how bright it is, so we place additional screens down the audience on their own structures. These need their own power, their own signal path — usually fibre or a long-haul SDI run rather than copper HDMI — and a decision about whether to delay the video to match the delayed audio at that position. For speech-led events we generally keep video aligned to the audio arriving at that spot, because lip-sync error reads as a fault far faster than absolute latency does.
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Published 4 July 2026 by the Prime AV Solutions production team.