What should I inspect on the used cabinet structure, locks and connectors?
Inspect the cabinet as a structural and servic…
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Read MoreWhat should I inspect on the used cabinet structure, locks and connectors?
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…
