Final answer:
False. The oil pressure indication on the EFD and the L/R OIL PR caution are not operated by the same transducer.
Step-by-step explanation:
False. The oil pressure indication on the EFD (Electronic Flight Display) and the L/R OIL PR (Left/Right Oil Pressure) caution are not operated by the same transducer.
The EFD measures and displays the oil pressure using a transducer that converts the oil pressure into an electrical signal. This signal is then processed and displayed on the EFD as an indication of the oil pressure.
On the other hand, the L/R OIL PR caution is triggered by separate oil pressure switches that detect when the oil pressure in either the left or right engine drops below a certain threshold. These switches are independent of the EFD and serve as a warning for low oil pressure.