510.How do the pilots change the FD bars into FPD/FPV symbols?

　By pressing the central HDG-V/S / TRK-FPA pushbutton on the FCU.

　By disengaging the HDG or V/S modes.

　By pressing a FD pushbutton.

正确答案：A

A320机型英语知识练习

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151.How is the excessive deviation displayed on vertical scale ?

150.What is display in ROSE NAV mode when the ILS pushbutton is selecetd on the EFIS control panel ?

149.The IR portion of the ADIRU provides the FMGC with :

148.The primary source of ADIRU 3 is:

147.The control segment is composed of :

146.The satellite orbital planes have an inclination of:

145.How is the excessive deviation displayed on vertical scale ?

144.What is displayed in ROSE NAV mode when the ILS pushbutton is selected on the EFIS control panel ?

143.When does the ILS red flag appear ?

142.When does the lateral deviation scale flash ?