(3)
Data field display Generally a data is displayed on two lines:
-
the label line above the data line
-
the data line next to the line select key.
On the data line there are five kinds of display:
(a)
Cyan data if the data are already in the computer and the pilot can modify them.
(b)
Green data if the data are already in the computer but cannot be modified by a pilot entry.
(c)
Cyan brackets if no value is defined and the pilot can enter a data.
(d)
Amber boxes if no value is defined and the data entry is mandatory for the correct functioning of the system or for the achievement of the function described on the page or on the label line.
(e)
White dashes if the field is filled by the computer but not yet available due to lack of information or a computation has not yet been achieved. The entry format of a data is described by the number of boxes or the place occupied by the brackets and the spaces between brackets.
On one data line, several data may be displayed and entered: the different fields are separated by a slash. Each field may be entered separately ; it is identified by the number of slashes in front of the entered data.
Ex: wind direction/wind magnitude/altitude. to modify the altitude, the pilot has to enter into scratchpad: //altitude. to modify wind magnitude, he enters: /wind magnitude.
NOTE: It may happen that a data which has a default value in the system can be corrected by the user. After reinitialization of the system, the data reverts to its default value.
(4) Data list The following table lists all allowed MCDU entries. Also listed are the acceptable format, acceptable range, units of entry, and the MCDU pages on which the data can be entered. DATA NAME: The name of every allowed entry is listed. FORMAT: The field width and format are given for each data entry. The symbols generally used are as follows (if others are used they are defined for each parameter):
A -Alphabetic entry N -Numeric entry X -Alphanumeric entry
If any entry into the data field either exceeds the field width or
has an incorrect format or type, then a message is displayed (FORMAT
ERROR).
For fields that have one acceptable entry format but only one display
format, the display format is also specified.
RANGE:
The range is given for each data entry. If the entry has a correct
field width, format and type but is not within this range, then a
message is displayed (ENTRY OUT OF RANGE), unless another message is
displayed as defined in the table.
UNITS:
The units of each entry are given in the table.
DISPLAY PAGE:
The MCDU page or pages on which the data may be entered are listed.
----------------------------------------------------------------------------
| DATA | FORMAT | RANGE | UNITS | DISPLAY |
| NAME | | (X is input) | | PAGE |
|----------|------------------|-------------------|----------|-------------|
| ACCEL | See ALT | | ft (MSL) | TAKE OFF |
| ALT | | | | GO AROUND |
| | | | | |
| ALT | NNNN or | Max alt = MAX | ft (MSL) | F-PLN A |
| | NNNNN | CERT ALT (from | | VERT REV |
| | (Leading zeros | PERF database) | | SEC F-PLN A |
| | must be included)| Entry is rounded | | STEP ALTS |
| | | to the nearest | | PERF CLB |
| | | 10 feet | | PERF DES |
| | | | | CLIMB WIND |
| | | | | CRUISE WIND |
| | | | | DESCENT |
| | | | | WIND |
| | | | | PROG |
| | | | | INIT A |
| | | | | SEC INIT A |
| | | | | SEC F.PLN A |
| | | | | |
| ALTN | Same as ARPT | Same as ARPT | | INIT A |
| | | | | |
| ALTN RTE | Same as CO RTE | Same as CO RTE | N/A | INIT A |
| | | | | |
| WIND DIR | NNN/NNN/ALT or | WIND DIR | degrees | CLIMB WIND |
| /WIND MAG| Flight Level | 0-360 | | CRUISE WIND |
| /ALT | | | | DESCENT WIND|
| | | | | |
| | NNN-Leading zero | WIND MAG | /kt | |
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