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A - Inhibit the windshear function.
B - Inhibit aural alerts generated by TCAS
or GPWS or other FWC warnings.
C - Transmit the aural alert to the Audio
Mixing Box.
TMUWPWC01 LEVEL 3
EFFECTIVITY 34-41-00 Page 8
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 226
ALL
34 - NAVIGATION
34-41-00 WR/PWS CONTROLS AND DISPLAYS
CONTENTS:
Control Panel
Control Panel With Split Function (Option)
WR Failure Messages
PWS Indications (Option)
PWS Alert Levels (Option)
Self Examination
TMUWPWE02 LEVEL 2
EFFECTIVITY 34-41-00 Page 1
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 227
ALL
WR/PWS CONTROLS AND DISPLAYS
CONTROL PANEL
OFF/SYS/ON SYSTEM SWITCH
When the system switch is set to ON, the Weather Radar
system is energized and operates if at least one ND
is set to ROSE or ARC mode.
NOTE: The operative radar transceiver is de-energized
when both EFIS selectors are in PLAN mode.
GAIN KNOB
The GAIN Knob permits receiver sensitivity adjustment
in the different modes.
In AUTO position, the optimum setting is automatically
adjusted.
Clockwise rotation of the GAIN knob (manual gain
setting) adjusts the sensitivity to the MAX position.
When not in AUTO mode, MAN is displayed in green in
the right lower corner on the NDs except in case of
failure or system TEST.
MODE SELECTOR
1 - WX Position
When the mode selector is in the WX position, the radar
is in normal mode of operation and the colors on the
NDs depend on the intensity of the precipitation.
Precipitation rate and related color echoes
(P: precipitation rate):
- P < 1 mm/h: Black.
- 1 < P < 4 mm/h: Green.
- 4 < P < 12 mm/h: Yellow.
- P > 12 mm/h: Red.
2 - WX/TURB position
This mode corresponds to operation in weather and
turbulence detection.
The turbulence detection is limited to the first 40 NM
from the A/C, beyond, the turbulence is displayed in
the conventional colors as in WX mode.
The turbulence areas are displayed in magenta on the
NDs (P > 5 mm/s).
3 - MAP position
The MAP mode is useful for back-up navigation, to
display mountains, cities, coast lines or land/water
boundaries.
The colors on the NDs depend on the ground map:
- Mountains and cities: Amber.
- Ground: Green.
- Calm water: Black.
NOTE: A manual gain control is recommended when in MAP
mode.
TMUWPWE02-T01 LEVEL 2
EFFECTIVITY 34-41-00 Page 2
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 228
ALL
TMUWPWE02-P01 LEVEL 2
WR/PWS CONTROLS AND DISPLAYS - CONTROL PANEL
EFFECTIVITY 34-41-00 Page 3
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 229
ALL
WR/PWS CONTROLS AND DISPLAYS
CONTROL PANEL (CONT’D)
TILT KNOB
The TILT knob allows manual control of the antenna
elevation. The antenna elevation angle can be adjusted
in 1/4 degree steps within a range of - 15° up to +
15°.
NOTE: TILT information is displayed in cyan in the
right lower corner of the NDs except in case of
failure or system TEST.
NOTE: During a windshear detection event, the TILT
antenna is automatically controlled. However,
the TILT displayed on the NDs corresponds to the
control panel setting.
WINDSHEAR SWITCH (OPTION)
The WINDSHEAR AUTO/OFF switch enables the
activation/deactivation of the predictive windshear
function.
When in AUTO position the predictive windshear
detection is automatically activated below 2500ft
whatever the OFF/SYS/ON system switch position.
The predictive windshear function detection can
operate either with weather radar modes activated or
independently.
A dedicated windshear icon is superimposed on the radar
image, displayed on the NDs, when the phenomena is
detected.
TMUWPWE02-T02 LEVEL 2
EFFECTIVITY 34-41-00 Page 4
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 230
ALL
TMUWPWE02-P02 LEVEL 2
WR/PWS CONTROLS AND DISPLAYS - CONTROL PANEL
EFFECTIVITY 34-41-00 Page 5
May 31/00
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