WhichofthefollowingisMOSTlikelycausinganintermittentflashingLEDonanIRreceiverwhentheremotecontrolisnotbeingused?()A.Thepowersupplyisfaultyandshouldbereplaced.B.Theheatfromaheating，ventilation，andairconditioning（HVAC）registerisbeingreceivedasinfrarednoise.
题目
WhichofthefollowingisMOSTlikelycausinganintermittentflashingLEDonanIRreceiverwhentheremotecontrolisnotbeingused?()
A.Thepowersupplyisfaultyandshouldbereplaced.
B.Theheatfromaheating，ventilation，andairconditioning（HVAC）registerisbeingreceivedasinfrarednoise.
C.Theradiofrequencyinterference（RFI）isbeingreceivedasnoise.
D.Aplasmadisplayisemittinginfrarednoise.
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参考答案和解析
参考答案：D