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OFF : The predictive windshear function is off.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
WEATHER RADAR - CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-34-60-20 P 2/8
FCOM 19 AUG 10
CONTROL PANEL
Applicable to:
(1) SYS toggle switch
This switch selects one radar, or turns OFF both radars.
Note: If there is only one radar on the aircraft, no weather image is displayed when system
2 is switched on.
(2) GAIN knob
Adjusts the sensitivity of the receiver in weather mode (WX), or in ground mapping mode
(MAP).
CAL is the normal position of the knob. It adjusts the gain to a calibrated 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 only displays turbulence areas (in precipitation areas) in magenta
(within 40 nm).
TURB : The screen only shows turbulence areas.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
WEATHER RADAR - CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-34-60-20 P 3/8
FCOM 19 AUG 10
MAP : The radar operates in ground mapping mode. Black indicates water. Green
indicates the ground and Amber indicates cities and mountains.
(4) TILT knob
This knob controls antenna tilt.
Radar 1 depends on ADIRS 1, radar 2 �� on ADIRS 2. ADIRS 3 replaces either ADIRS if ATT
HDG selector is used.
Zero represents the horizon as seen by ADIRS.
(5) GND CLTR SPRS switch
ON : Suppresses the ground echo on the screen.
OFF : Normal use of the radar.
(6) PWS switch �� (only operative, if the predictive windshear function is installed)
AUTO : Activates the predictive windshear function. Windshear areas are detected by
antenna scanning below 2 300 ft RA, even if the SYS switch is set to OFF. They
are displayed on the ND, if below 1 500 ft.
OFF : The predictive windshear function is off.
CONTROL PANEL
Applicable to:
(*) If only one radar system is installed, “2” is replaced by an “INOP” sticker.
(1) Transceiver 1-2 switch
This switch selects one radar or turns off both radars.
Note: If there is only one radar on the aircraft, no weather image is displayed when system
2 is switched on.
(2) GAIN knob
Adjusts the sensitivity of the receiver in all modes.
AUTO : Automatically adjusts the gain to the optimum setting.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
WEATHER RADAR - CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-34-60-20 P 4/8
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).
WX / TURB : The screen shows turbulence areas (in precipitation areas) in magenta (within
40 nm).
MAP : The radar operates in ground mapping mode. Black indicates water. Green
indicates the ground and Amber indicates cities and mountains.
(4) TILT knob
This knob controls antenna tilt.
Radar 1 depends on ADIRS 1, radar 2 �� on ADIRS 2. ADIRS 3 replaces either ADIRS if ATT
HDG selector is used.
Zero represents the horizon as seen by ADIRS.
(5) WINDSHEAR switch �� (only operative, if the predictive windshear function is installed)
AUTO : Activates the predictive windshear function. Windshear areas are detected by
antenna scanning below 2 300 ft RA, even if the transceiver 1-2 selector is set to
OFF. They are displayed on the ND, if below 1 500 ft.
OFF : The predictive windshear function is off.
CONTROL PANEL
Applicable to:
,
,
MSN,,,
(*) If only one radar system is installed, “2” is replaced by an “INOP” sticker.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
NAVIGATION
WEATHER RADAR - CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-34-60-20 P 5/8
FCOM 19 AUG 10
(1) SYS toggle switch
This switch selects one radar, or turns OFF both radars.
Note: If there is only one radar on the aircraft, no weather image is displayed when system
2 is switched on.
(2) GAIN knob
Adjusts the sensitivity of the receiver in weather mode (WX), or in ground mapping mode
(MAP).
CAL is the normal position of the knob. It adjusts the gain to a calibrated 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
　
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