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yellow, red or magenta).
‐ The selected ND range will determine how often the image is refreshed.
(2) Tilt Angle and Gain Mode
‐ The value of the tilt angle is in degrees, and quarters of a degree. It appears in blue in the
lower right-hand corner of the screen. This angle is the angle between the horizon and the
radar beam axis.
‐ ”MAN” appears in white, when the manual gain mode is selected.
(3) Failure Messages
The ND lists the detected failures.
If the message is in “red”, the ND does not display a radar image.
If the message is in “amber”, the image is not affected.
WXR RT (red) : Radar transceiver failure.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING / RECORDING SYSTEMS
INDICATIONS ON ND
A318/A319/A320/A321 FLEET DSC-31-45 P 45/72
FCOM 19 AUG 10
WXR ANT (red) : Radar antenna failure.
WXR CTL (red) : Radar control unit failure.
WXR RNG (red) : Range error.
WXR WEAK
(amber)
: Calibration failure.
WXR ATT (amber) : Attitude control failure.
WXR STAB
(amber)
: Antenna stabilization failure.
WEATHER RADAR
Applicable to:
,
,
MSN,,,,
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING / RECORDING SYSTEMS
INDICATIONS ON ND
A318/A319/A320/A321 FLEET DSC-31-45 P 46/72
FCOM 19 AUG 10
(1) Weather Radar Picture
When the radar is operating, and when the ND is not in ‐ PLAN mode, the ND displays the
weather radar picture.
‐ The echoes appear in different colors, depending on the precipitation rates (black, green,
yellow, red or magenta).
‐ The selected ND range will determine how often the image is refreshed.
(2) Tilt Angle and Gain Mode
‐ Auto-Tilt/Multi-Scan automatically sets the tilt angle to optimize Weather Radar detection.
‐ The value of the tilt angle is in degrees, and quarters of a degree. It appears in blue in the
lower right-hand corner of the screen. This angle is the angle between the horizon and the
radar beam axis.
‐ When the Auto-Tilt/Multi-Scan function is lost, the tilt value is dashed, the "NO AUTO
TILT" message appears in amber on the ND, and only the manual mode is available. Once
selected, "MAN" appears in blue.
”MAN GAIN” appears in white, when ‐ the manual gain mode is selected.
(3) Failure Messages
The ND lists the detected failures.
If the message is in “red”, the ND does not display a radar image.
If the message is in “amber”, the image is not affected.
WXR RT (red) : Radar transceiver failure.
WXR ANT (red) : Radar antenna failure.
WXR CTL (red) : Radar control unit failure.
WXR RNG (red) : Range error.
WXR WEAK
(amber)
: Calibration failure.
WXR ATT (amber) : Attitude control failure.
WXR STAB
(amber)
: Antenna stabilization failure.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING / RECORDING SYSTEMS
INDICATIONS ON ND
A318/A319/A320/A321 FLEET DSC-31-45 P 47/72
FCOM 19 AUG 10
PREDICTIVE WINDSHEAR SYSTEM
Applicable to:
(1) Predictive windshear area indication
The predicted windshear area is indicated by a red and black icon and two yellow radial lines.
Windshear information is available in ARC and ROSE ND modes.
When the ND range is set above 10 nm, a W/S SET RNG 10 NM (Windshear, set range 10 nm
) message appears, requesting the crew to adjust the ND range. It is displayed even if the
weather radar is switched off, provided the WINDSHEAR switch on the weather radar panel is
set to AUTO.
Depending on the windshear alert level, ND indication may be completed with a PFD message
(Refer to DSC-31-40 FLAGS AND MESSAGES DISPLAYED ON PFD).
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING / RECORDING SYSTEMS
INDICATIONS ON ND
A318/A319/A320/A321 FLEET DSC-31-45 P 48/72
FCOM 19 AUG 10
PREDICTIVE WINDSHEAR SYSTEM
Applicable to:
,
,
MSN,,,,
(1) Predictive windshear area indication
A PWS SCAN message is displayed when the Predictive Windshear system is active on the
ND.
The predicted windshear area is indicated by a red and black icon and two yellow radial lines.
Windshear information is available in ARC and ROSE ND modes.
When the ND range is set above 10 nm, a W/S SET RNG 10 NM (Windshear, set range 10 nm
) message appears, requesting the crew to adjust the ND range. It is displayed even if the
weather radar is switched off, provided the WINDSHEAR switch on the weather radar panel is
　
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