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constraint management...
FMGC PHASES & FLIGHT PHASES
The FMGC manages several phases during the
flight. They are described in the following
table:
PREFLIGHT When the aircraft is on the
ground, prior to take off power.
TAKE OFF When take off power is applied
(FLEX or TOGA) and the aircraft is below 1500
feet AGL.
CLIMB From 1500 feet to the cruise
altitude
CRUISE All along the cruise
DESCENT During the descent from the
cruise altitude
APPROACH Final part of the descent, close
to the destination.
GO AROUND If TOGA power is applied
before landing
DONE When the flight is finished and
the aircraft has landed.
The FMGC also divides the flight into several
phases, used for the system internal use and
for the alert management:
MCDU USAGE
The MCDU is composed of
- 12 line select keys, 6 one the left (referenced
1L to 6L) and 6 on the right (1R to 6R).
- The page keys that give direct access to some
predefined pages,
- The alpha and numeric keypads to enter data
into the MCDU
- The brightness control knob to modify the
display brightness.
To enter any data into the MCDU, you can use
the keypads. All the characters typed in are
displayed on the bottom line of the screen,
called the scratchpad. When the data is typed,
you click the line select key to enter it where
you require.
Some lines contain two values, separated by a
‘/’ (slash). In this case, you can enter the 2
values by separating them with a slash. If you
want to enter the first value only, enter it
directly. If you want to enter the second value
only, precede it with a slash.
The time information is displayed using a XXYY
format, where XX are the hours and YY are the
minutes. For example, 0120 means 1 hour 20
minutes. Entering time information into the
MCDU must use the same convention, where
XX can be omitted if null.
Keypad simulation in FS:
You can use the keypad by clicking any key in
FMGC
Airbus Series Vol.1
(c) 2007 Wilco Publishing www.wilcopub.com - www.FeelThere.com 67
the keypad with the mouse. It may be painful if
you have a lot of data to enter. This is why you
can also use your PC keyboard, using the keys
in combination with a modifier or a locker, to
enter data in the MCDU scratchpad. Refer to
the Setup section for more information about
the possible keyboard configuration.
You can also use the function keys (F1 to F12)
to simulate the 12 line select keys (F1 to F6 for
1L to 6L, F7 to F12 for 1R to 6R).
The Scroll Lock key is the default locker,
which means that if you press this key, any key
typed on your keyboard will be directed to the
MCDU. Refer to the Setup section for more
information.
When a locker key (such as Scroll Lock) is
used to enter data in the MCDU, the following
keys simulate the page keys:
PC keyboard key MCDU page key
Ctrl-D DIR
Ctrl-O PROG
Ctrl-P PERF
Ctrl-A DATA
Ctrl-N F-PLAN
Ctrl-R RAD NAV
Ctrl-U FUEL PRED
Ctrl-M MCDU MENU
Ctrl-Pg Down NEXT PAGE
Ctrl-Up Arrow Up Arrow
Ctrl-Down Arrow Down Arrow
The MCDU displays information on pages.
When a page content can not be displayed on
single page, the pilot has to use specific keys
to display the rest of the information:
- If the page can not display the whole
information on the 6 select key lines, the pilot
can scroll the page using the 2 vertical arrow
keys. On the bottom right corner, vertical
arrow symbols show if the page can be
scrolled upward, downward, or both.
- If the information is displayed on several
different pages, a horizontal arrow on the top
left corner shows that another page exists.
Pressing the NEXT PAGE key shows the next
page.
A vertical arrow in the bottom right corner
shows the page can be scrolled upward.
A left arrow in the top right corner shows a
next page exist. Press NEXT PAGE to display it.
FMGC
Airbus Series Vol.1
68 For Microsoft Flight Simulator use only. Not for use in real aviation.
CHARACTERS AND COLORS
The colors and the type of characters used to
display information is important as they
respect a convention that helps the pilot in
understanding each information type.
DATA TYPE > COLOR & CHARACTERS
Page title, comments, sratchpad
> White, normal characters
Modifiable / Selectable data > Blue
Mandatory data entry > Amber boxes
Optional data entry > Blue brackets
Non modifiable data > Green
Computed data > Small characters
　
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