FMS GENERAL DESCRIPTION
MCDU 17
Special symbols or displays
Symbol Description
Box Prompts (amber)
Data input is required in order that the FMS performs the
specific function.
---- Dashes
Data is calculated and displayed by the FMS when it has
enough information to do so.
The flight crew does not normally enter this information.
[ ] Bracket Prompts (blue)
Optional data entry.
Occasionally, this data may be computed and entered by
the FMS as a result of another pilot action.
µ¶
µ, ¶, µ¶
Vertical arrows
Vertical slewing (up and or down) is available by using
vertical slew keys.
At the bottom right corner of the screen, MCDU pages may
be scroll up or down with vertical slew keys.
³´
Horizontal arrows beside a LSK indicates that the pilot can
press the key to activate the prompt or select some data.
At the upper right corner of the screen, next/previous page
may be displayed with horizontal slew keys.
³WPT
WPT´
Horizontal arrows with WPT beside a fixed waypoint on the
flight plan page indicates that the A/C must turn at fixed
waypoint in the indicated direction.
WPTU
Triangle beside a fixed waypoint on the flight plan page
indicates that the A/C must fly over the fixed waypoint.
* Asterisk beside a LS key indicates that pressing the key
causes a change to parameters, which affect the active
situation of the aircraft. The page displayed may also
change as a result.
< xxxx
xxxx >
Page prompt allows access to a FMS submenu.
(xxx) Pseudo WPT
FMS generated WPT.
+, -
Associated with ALT constraint.
A plus (+) is displayed for an AT or ABOVE ALTITUDE
constraint and a minus (-) for an AT or BELOW ALTITUDE
constraint.
AIRBUS A318/319/320/321
© THALES AVIONICS S.A.
J43126AA 00
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