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to the minimum (Refer to DSC-31-45 GENERAL).
Note: Some aircraft may be fitted with one weather radar system only.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
WEATHER RADAR - DESCRIPTION
Intentionally left blank
A330/A340 FLEET DSC-34-60-10 P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
WEATHER RADAR - CONTROLS AND INDICATORS
A330/A340 FLEET DSC-34-60-20 P 1/4
FCOM 19 AUG 10
CONTROL PANEL
Applicable to:
(1) Transceiver 1-2 switch
This switch selects one radar, or turns off both radars.
Note: When only one radar is fitted on the aircraft, no weather image will be displayed when
switching on System 2.
(2) GAIN knob
This knob adjusts the sensitivity of the receiver.
AUTO: Automatically adjusts the gain to the optimum setting.
(3) Mode selector
WX : Weather mode : Colors indicate the intensity of precipitation (Black indicates the
lowest intensity. Green, amber, and red indicate progressively higher intensities).
WX/TURB: The screen displays turbulence areas (in precipitation areas) in magenta (within
40 nm).
MAP : The radar operates in ground mapping mode. Black indicates water.
Green indicates ground. Amber indicates cities and mountains.
(4) TILT knob
Allows manual control of antenna tilt.
0 refers to the horizon as provided by the ADIRS 1 as follows :
WS ‐ SYS 1 by ADIRS 1 (or 3 if selected)
‐ WS SYS 2 by ADIRS 2 (or 3 if selected)
Note: Setting different scales on the ND reduces the sweep rate of each ND image. (8 s
instead of 4 s).
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
WEATHER RADAR - CONTROLS AND INDICATORS
A330/A340 FLEET DSC-34-60-20 P 2/4
FCOM 19 AUG 10
(5) WINDSHEAR selector �� (operative, only if the windshear function is embodied)
AUTO : Windshear function is activated. Windshear areas will be detected by the antenna
scanning below 1 500 ft RA, even if the transceiver selector (1) is set to OFF, and
displayed on the ND.
OFF : No windshear function.
CONTROL PANEL
Applicable to: ,
(1) Transceiver 1-2 switch
This switch selects one radar, or turns off both radars.
Note: When only one radar is fitted on the aircraft, no weather image will be displayed when
switching on System 2.
(2) GAIN knob
This knob adjusts the sensitivity of the receiver.
AUTO: Automatically adjusts the gain to the optimum setting.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
WEATHER RADAR - CONTROLS AND INDICATORS
A330/A340 FLEET DSC-34-60-20 P 3/4
FCOM 19 AUG 10
(3) Mode selector
WX : Weather mode : Colors indicate the intensity of precipitation (Black indicates the
lowest intensity. Green, amber, and red indicate progressively higher intensities).
MAP : The radar operates in ground mapping mode. Black indicates water.
Green indicates ground. Amber indicates cities and mountains.
(4) TILT knob
Allows manual control of antenna tilt.
0 refers to the horizon as provided by the ADIRS 1 as follows :
WS ‐ SYS 1 by ADIRS 1 (or 3 if selected)
‐ WS SYS 2 by ADIRS 2 (or 3 if selected)
Note: Setting different scales on the ND reduces the sweep rate of each ND image. (8 s
instead of 4 s).
CONTROL PANEL
Applicable to:
(1) SYS toggle switch
This switch selects one radar, or turns off both radars.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
WEATHER RADAR - CONTROLS AND INDICATORS
A330/A340 FLEET DSC-34-60-20 P 4/4
FCOM 19 AUG 10
Note: When only one radar is fitted on the aircraft, no weather image will be displayed when
switching on System 2.
(2) GAIN knob
This knob adjusts the sensitivity of the receiver in weather mode (WX), or in ground mapping
mode (MAP).
CAL : Automatically adjusts the gain to the optimum setting.
(3) Mode selector
WX : Weather mode : Colors indicate the intensity of precipitation (Black indicates the
lowest intensity. Green, amber, and red indicate progressively higher intensities).
WX + T : The screen displays turbulence areas (in precipitation areas) in magenta (within
40 nm).
TURB : The screen shows only turbulence areas.
MAP : The radar operates in ground mapping mode. Black indicates water.
Green indicates ground. Amber indicates cities and mountains.
(4) TILT knob
This knob controls the antenna tilt.
0 refers to the horizon as provided by the ADIRS 1 as follows :
‐ WS SYS 1 by ADIRS 1 (or 3 if selected)
‐ WS SYS 2 by ADIRS 2 (or 3 if selected)
　
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