63.The whole toilet system is monitored by :

598.What is the function of the RESET key?

597.Is it possible to transmit simultaneously on Passenger Address and VHF channels?

596.What is displayed in case of a SELCAL call on VHF 2?

595.What is the function of the AMU ?

594.Which RMP can control the VHF 1 transceiver?

593.In normal operation,are the navigation systems controlled by RMP1 ?

592.What happens if RMP2 fails

591.What is the purpose of the AMU?

590.What is the purpose of the RMPs ?

589.The HOT AIR pushbutton switch controls the: