Fuel panel

Question 1

CROSSFEED SELECTOR KNOB

Answer 1

LOW 1: opens the crossfeed valve and automatically activates the right AC fuel pump (AC PUMP 2), supplying fuel to both engines from the right wing tank.
OFF: closes the crossfeed valve.
LOW 2: opens the crossfeed valve and automatically activates
the left AC fuel pump (AC PUMP 1), supplying fuel to
both engines from the left wing tank.

Question 2

DC FUEL PUMP SELECTOR KNOB

Answer 2

OFF: deactivates the DC fuel pump.
AUTO: automatically operates the DC fuel pump according to
the system’s logic.
ON: activates the DC fuel pump.

Question 3

AC FUEL SELECTOR KNOBS

Answer 3

OFF: deactivates the associated AC fuel pump.
AUTO: automatically operates the associated AC fuel pump
according to the system’s logic.
ON: activates the associated AC fuel pump