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ECAM / EFIS Acquisition R Figure 016
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C. ECAM/EFIS Data definition
(1) Color definition
_______________________________________________________________ | | | | COLOR | INTERPRETATION | |_________|___________________________________________________| | RED | Configuration or failure requiring immediate | | | action - warning texts or flags. | |---------|---------------------------------------------------| | AMBER | Configuration or failure requiring immediate | | | attention but not immediate action. | |---------|---------------------------------------------------| | GREEN | Normal and long-term operation | | | No action to be performed | |---------|---------------------------------------------------| | WHITE | Indication of controlled function and action | | | carried out but not corresponding to normal | | | operation (e.g., setting the control of a | | | system to the OFF position) | |---------|---------------------------------------------------| | CYAN | Action to be carried out (e.g., procedure or | | | reference value to be selected) |
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5. Eis Operation
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A. EFIS Operation
(1) Description and use of FCU EFIS control sections The present paragraph describes the functions of the various control pushbutton switches and selectors of the FCU EFIS control sections, which enable each pilot to select desired modes or references on his PFD and ND. Both the CAPT and F/O EFIS control sections are identical and give the same display possibilities on the CAPT and F/O PFD and ND. Each EFIS control section, like the center AFS control section, supports all the control and indication devices and can be removed separately from the FCU box. (Ref. Fig. 011) Each FCU EFIS control section includes a PFD control part and an ND control part. (Ref. Fig. 012)
(a) PFD control
1_ BARO correction display window and hPa/inches of Hg selector
This window displays the reference value selected for baro
correction, either in hPa (hectoPascal, 1 hPa = 1mbar) or in
inches of mercury, according to the position of the baro
reference units selector (outer ring concentric to the baro
reference selector knob).
When the FCU starts operating, at electrical power on setting,
the display shows 1013 or 29.92, according to the chosen unit.
Selection ranges:
745 to 1050 hPa
21.99 to 31.00 inches of Hg.
2_ BARO reference selector knob
The baro reference selector knob can be rotated and also it
can be pushed or pulled:
- by rotating it, each pilot can select the desired baro
correction reference value.
The CAPT and the F/O selections are independent.
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- push or pull actions:
The knob has 3 possible positions: neutral (stable), and
pulled or pushed, which are both unstable and spring-loaded
to neutral.
At FCU initialization, the display shows 1013 or 29.92
(according to the choice of the units, hPa or inches of Hg),
and BARO written in small letters.
Rotating the knob will select the desired QNH baro reference
setting. On the PFD, below the altitude scale, the baro
reference value and the QNH announcement are displayed.
When pulling the knob, the standard baro reference setting
(1013 hPa or 29.92 inches of Hg) is selected. This is
indicated by STD in block letters in the BARO correction
display window and by STD below the altitude scale on the
PFD. The baro reference value is not displayed, and rotating
the knob has no effect.
When pushing the knob from the STD situation, the QNH baro
setting is available again.
- QFE Option
Each pilot will have the possibility of switching from QNH
to QFE the baro reference setting of his altitude scale:
when QNH is selected, pressing the knob will select QFE,
pressing it again will select back QNH, ETC...
On the FCU EFIS control section, the display shows BARO and
the selected BARO reference value.
On the PFD, QFE or QNH is written below the altitude scale,
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