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display window and on the PFD below the altitude scale.
At FCU initialization, the window displays 1013 or 29.92, depending on the selected unit.
• Pulling the knob selects the standard baro reference setting. The PFD then displays
“STD.” (Rotating the knob has no effect.)
• Pushing the knob from the STD position makes the last selected QFE or QNH baro
setting available.
• Pushing the knob again, changes QNH to QFE or vice versa.
The window displays “ QNH” or “QFE”, depending on the flight crew’s selection.
Note: The QFE option is a pin-program, installed on the FMGC . The FMGC operates using
the selected pin-program (QNH or QFE), independently of the baro reference setting
selected on the EFIS CTL panel.
(3) FD Pushbutton
Pushing this button removes the FD bars from the associated PFD (or removes the flight path
director symbol if the TRK FPA reference is selected).
The pushbutton light goes out.
Pushing it again restores the FD bars (or the FPD symbol) and lights the green pushbutton
light.
(4) LS Pushbutton
Pushing this button displays the localizer and glide slope scales on the PFD.
Deviation symbols appear if there is a valid ILS signal.
The green pushbutton light comes on.
(5) Mode Select Switch
This switch selects a navigation display for the onside ND.
(6) Range Select Switch
This switch selects a range scale for the onside ND.
Note: If the mode or the range data fails, the default selection is the ROSE NAV mode and
80 nm range.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
EFIS CONTROLS
A330/A340 FLEET DSC-31-50 P 4/8
FCOM 19 AUG 10
(7) ADF-VOR Select Switches
These switches select ADF or VOR bearing pointers and DME distance on the onside ND, as
well as the corresponding navaid data characteristics in any mode except PLAN mode.
(8) Optional Data Display Pushbutton
Pushing this button displays optional data in addition to the data permanently displayed in
PLAN, ARC, or ROSE NAV modes. The green pushbutton light comes on.
Only one option can be activated at a time.
EFIS CONTROL PANEL
Applicable to:
(1) Barometer Reference Display Window
Range : 745 hPa to 1 100 hPa.
(2) Barometer Reference Selector
a. Outer ring : For selection of the units for the barometer reference, either hectoPascals (hPa)
or inches of mercury (in Hg).
Note: The selected unit does not appear on the PFD.
b. Inner knob : For selection of the reference value, displayed in the barometer reference
display window and on the PFD below the altitude scale.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
EFIS CONTROLS
A330/A340 FLEET DSC-31-50 P 5/8
FCOM 19 AUG 10
At FCU initialization, the window displays 1013 or 29.92, depending on the selected unit.
• Pulling the knob selects the standard baro reference setting. The PFD then displays
“STD.” (Rotating the knob has no effect.)
• Pushing the knob from the STD position makes the last selected QFE or QNH baro
setting available.
• Pushing the knob again, changes QNH to QFE or vice versa.
The window displays “ QNH” or “QFE”, depending on the flight crew’s selection.
Note: The QFE option is a pin-program, installed on the FMGC . The FMGC operates using
the selected pin-program (QNH or QFE), independently of the baro reference setting
selected on the EFIS CTL panel.
(3) FD Pushbutton
Pushing this button removes the FD bars from the associated PFD (or removes the flight path
director symbol if the TRK FPA reference is selected).
The pushbutton light goes out.
Pushing it again restores the FD bars (or the FPD symbol) and lights the green pushbutton
light.
(4) LS Pushbutton
Pushing this button displays the localizer and glide slope scales on the PFD.
Deviation symbols appear if there is a valid ILS signal.
The green pushbutton light comes on.
(5) Mode Select Switch
This switch selects a navigation display for the onside ND.
(6) Range Select Switch
This switch selects a range scale for the onside ND.
Note: If the mode or the range data fails, the default selection is the ROSE NAV mode and
80 nm range.
(7) ADF-VOR Select Switches
These switches select ADF or VOR bearing pointers and DME distance on the onside ND, as
well as the corresponding navaid data characteristics in any mode except PLAN mode.
(8) Optional Data Display Pushbutton
Pushing this button displays optional data in addition to the data permanently displayed in
PLAN, ARC, or ROSE NAV modes. The green pushbutton light comes on.
　
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