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display appears on the lower display unit (automatic transfer).
(2) System page pushbuttons
‐ Call up the corresponding system pages on the SD.
‐ Light up, when pushed for manual selection, or when an advisory is detected.
‐ Call up the aircraft system page corresponding to the present flight phase or the current
warning when pushed a second time.
When only one ECAM display is on, the pilot can display a system page for up to 3 min by
holding the system page pushbutton.
• If an advisory condition arises, the relevant system page is not automatically displayed,
but the pushbutton light pulses.
• If an ECAM warning is triggered, the relevant system page is not automatically displayed,
and the system page pushbutton does not light up.
(3) RCL pushbutton
The pilot pushes the RCL pushbutton to call up the warning messages, the caution messages,
and the status page, that may have been suppressed by the activation of the CLR pushbutton
or by flight-phase-related inhibition.
If there are no suppressed warnings or cautions, the E/WD shows “NORMAL” for 5 s.
If the pilot holds this pushbutton down for more than 3 s, the E/WD displays any caution
messages that were suppressed by the EMER CANC pushbutton.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
ECAM CONTROLS
A330/A340 FLEET DSC-31-30 P 2/4
FCOM 19 AUG 10
(4) STS (status) pushbutton
The pilot pushes this pushbutton to display the STATUS page on the lower SD. The pushbutton
remains lit, as long as the SD displays the STS page. If the system has no status messages,
the status page displays “NORMAL” for 5 s.
The pilot can clear the STATUS page by pushing the CLR pushbutton, or by pushing the STS
pushbutton a second time.
When only one ECAM display is on :
It displays the STATUS page only when the pilot pushes the ‐ STATUS pushbutton and holds
it. He can display the next STATUS page, if any, by releasing the pushbutton and pushing it
again (before 2 s have elapsed). The new page then appears after a short delay.
‐ The pilot can keep the STS pushbutton pressed to display the STATUS page for a maximum
of 3 min, after which the ECAM automatically displays the engine/warning page.
(5) CLR pushbutton
This pushbutton remains lit as long as the E/WD is displaying a warning, or caution message or
a status message on the SD.
If it is lit, pressing it changes the ECAM display.
(6) ALL pushbutton
When this pushbutton is pressed and held down, the SD successively displays all the system
pages at 2 s intervals.
If the ECAM control panel fails, the pilot can use this pushbutton to page through the system
pages until he comes to the one he wants to look at. He releases the pushbutton then to select
that page.
(7) EMER CANC pb
This pushbutton affects the following :
‐ Warnings :
• Cancel (stop) an aural warning for as long as the failure condition continues.
• Extinguishes the MASTER WARNINGS lights.
• Does not affect the ECAM message display.
‐ Cautions :
• Cancel any present caution (single chime, MASTER CAUTION lights, ECAM message) for
the rest of the flight.
• Automatically calls up the STATUS page, which displays “CANCELLED CAUTION” and
the title of the failure that is inhibited.
The inhibition is automatically suppressed when Flight Phase 1 is initiated. The pilot may
restore it manually by pressing the RECALL pushbutton for more than 3 s.
Note: This pushbutton should only be used to suppress spurious MASTER CAUTIONS.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
ECAM CONTROLS
A330/A340 FLEET DSC-31-30 P 3/4
FCOM 19 AUG 10
(8) TO CONFIG pb
This pushbutton simulates the application of takeoff power. This is a test that triggers a
warning, if the aircraft is not in takeoff configuration. (Refer to DSC-31-15 CONFIGURATION
WARNINGS).
If the configuration is correct, the E/WD displays the “TO CONFIG NORMAL” message in the
TO MEMO section.
Note: If the ECAM control panel fails, the CLR, RCL, STS, EMER CANC, and ALL
pushbuttons remain operative, because their contacts are directly wired to the flight
warning and display management computers.
ECAM SWITCHING PANEL
Applicable to: ALL
ON MAIN INSTRUMENT PANEL
(1) DMC selector switch
AUTO: DMC 3 supplies data to both ECAM DUs
In case of DMC 3 failure, the DMC 1 automatically takes over.
1 : DMC 1 replaces DMC 3
2 : DMC 2 replaces DMC 3
3 : DMC 3 supplies data to both ECAM DUs
Note: If a DMC fails, each of its associated DUs displays a diagonal line.
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 3(64)
