Practice question

When inspecting the detector amplifier cards in the controller cabinet, what should the inspector verify?

Only that cards are inserted in the rack
Correct card type for the detection technology, proper channel assignment, sensitivity settings per specifications, and that each channel is functioning with actual vehicle detection verified
Only the card manufacturer
Only the card firmware version

Answer: B — Correct card type for the detection technology, proper channel assignment, sensitivity settings per specifications, and that each channel is functioning with actual vehicle detection verified

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