Which color indicates invalid keypad entry on the FDRAS panel?

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Multiple Choice

Which color indicates invalid keypad entry on the FDRAS panel?

Explanation:
Key feedback on keypad entry uses color and motion to convey status quickly. When a keypad entry is invalid on the FDRAS panel, the indicator flashes red to grab attention and signal that the input was rejected and another attempt is needed. A steady red would imply a persistent alarm or fault, amber is just a caution/warning, and green means normal or accepted status.

Key feedback on keypad entry uses color and motion to convey status quickly. When a keypad entry is invalid on the FDRAS panel, the indicator flashes red to grab attention and signal that the input was rejected and another attempt is needed. A steady red would imply a persistent alarm or fault, amber is just a caution/warning, and green means normal or accepted status.

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