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AIR DATA selection to ADIRU 3.
C - No, ATC 2 will be definitively lost.
TMUATCA04 LEVEL 3
EFFECTIVITY 34-52-00 Page 6
Apr 30/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 416
ALL
34 - NAVIGATION
34-52-00 ATC CONTROL PANEL D/O
CONTENTS:
COLLINS Control Panel
SEXTANT Control Panel
GABLES Control Panel
TMUNAV308 LEVEL 2
EFFECTIVITY 34-52-00 Page 1
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 417
ALL
ATC CONTROL PANEL D/O
COLLINS CONTROL PANEL
GENERAL
The purpose of this module is to understand the use
of the various controls of the common ATC/TCAS control
panel.
MODE SELECTOR
The mode selector enables the ATC transponder operation
mode to be selected.
- STBY position :
No transmission and the answers of the two transponders
are inhibited (electrically supplied but not
operating).
- XPDR position :
The answers are transmitted on ground and in flight
by the selected transponder.
- TA-TA/RA-TFC positions :
Enables the selection of the TCAS modes.
NOTE: In STBY or XPDR position the TCAS advisory
generation and surveillance functions are
inhibited.
SELECTOR KNOB
The selector knob enables the selection of the ATC
transmission code.
The code range is 0000 to 7777.
CODE DISPLAY WINDOW
The liquid crystal display window shows the selected
ATC identification code.
There are specific ranges for emergency codes on Mode
A, as for example :
- 7700 to 7777 for emergency configuration,
- 7600 for total failure of radio communication system.
ATC FAIL LIGHT
This FAULT light comes on in case of failure of the
selected transponder.
The ATC FAIL light also comes on during a functional
or a lamp test.
NOTE: In case of ATC control panel failure, the
transponder continues to transmit the last
displayed code.
IDENT PUSHBUTTON
When the IDENT pushbutton is pressed in, an additional
identification pulse is generated in mode A and mode
C replies.
This is to obtain a more precise location of the
aircraft.
1/2 SELECTOR
This switch enables the selection of the desired active
ATC system.
When transponder 1 is active, transponder 2 is in
standby.
ABOVE/BELOW SWITCHES
Used when TCAS system is installed.
TMUNAV308-T01 LEVEL 2
EFFECTIVITY 34-52-00 Page 2
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 418
ALL
ATC CONTROL PANEL D/O - COLLINS
TMUNAV308-P01 LEVEL 2
EFFECTIVITY 34-52-00 Page 3
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 34 NAVIGATION
UF94200
EFFECTIVITY Page 419
ALL
ATC CONTROL PANEL D/O
SEXTANT CONTROL PANEL
GENERAL
The purpose of this module is to understand the use
of the various controls of the common ATC/TCAS control
unit.
STBY/AUTO/ON SELECTOR
This selector enables the ATC transponder operation
mode to be selected.
- STBY position:
Transmission and answers to ground station or other
aircraft are inhibited (electrically supplied but not
operating).
- AUTO POSITION:
In this mode, the transponder only operates in flight
except for mode S which also operates on ground.
- ON POSITION:
In this position, the transponder operates in flight
and on ground.
1/2 SELECTOR
This selector enables the selection of the desired
active ATC system.
When transponder 1 is active, transponder 2 is in
standby.
ALT RPTG SELECTOR
The ALT RPTG selector, when in ON position, enables
the altitude transmission for the ATC mode C.
Selection of the OFF position suppresses the altitude
information transmission. The altitude is provided by
ADIRU1 ( For ATC1) or 2 (For ATC2) or ADIRU3 in case
of failure of ADIRU1 or 2.
ATC FAIL LIGHT
This FAULT light comes on in case of failure of the
selected transponder.
The ATC FAIL light also comes on during a functional
or a lamp test.
NOTE: In case of ATC control unit failure, the
transponder continues to transmit the last
displayed code.
KEYBOARD
The keyboard enables the selection of the ATC
transmission code.
When pressed in, the CLR key clears the code display
and, when pressed twice, restores the previous code
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