>> I must admit I've not looked at the scenario in detail
Fair enough - did a quick google and came up with this:
en.wikipedia.org/wiki/Compact_fluorescent_lamp
"Infrared signals
Electronic devices operated by infrared remote control can interpret the infrared light emitted by CFLs as a signal, this limits the use of CFLs near televisions, radios, remote controls, or mobile phones."
("A compact fluorescent lamp (CFL), also known as a compact fluorescent light or energy saving light")
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