单选题Which of the following is MOST likely causing an intermittent flashing LED on an IR receiver when the remote control is not being used？（）AThe power supply is faulty and should be replaced.BThe heat from a heating， ventilation， and air conditioning （HVAC） register is being received as infrared noise.CThe radio frequency interference （RFI） is being received as noise.DA plasma display is emitting infrared noise.
单选题
Which of the following is MOST likely causing an intermittent flashing LED on an IR receiver when the remote control is not being used？（）
A
The power supply is faulty and should be replaced.
B
The heat from a heating， ventilation， and air conditioning （HVAC） register is being received as infrared noise.
C
The radio frequency interference （RFI） is being received as noise.
D
A plasma display is emitting infrared noise.
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