How do I confirm compatibility between a used screen and a video processor?
Pixel capacity is necessary but not sufficient…
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How do I calculate the resolution and pixel load of a used LED screen?
Start with cabinet geometry. If a screen uses …
How do I check receiving cards, HUB boards and configuration files before purchase?
The receiving card, HUB board and configuratio…
What should I inspect on the used cabinet structure, locks and connectors?
Inspect the cabinet as a structural and servic…
How do I test grayscale, refresh behaviour and camera performance?
Camera performance cannot be confirmed by a no…
What is the correct way to inspect dead pixels and colour uniformity?
Use a repeatable test sequence rather than a s…
How should I evaluate used-screen brightness for the real viewing environment?
Brightness must be evaluated with the environm…
How can I tell whether a used LED cabinet is for indoor or outdoor use?
Do not decide from brightness or appearance al…
How many spare cabinets, modules and power supplies should I buy?
There is no universal spare percentage for eve…
Why are serial numbers and production batches important in a used LED purchase?
Yes. Serial numbers and batch information supp…
