-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
R - FREQUENCY test - FREQUENCY: 1090 MHZ plus or minus 1
R MHZ
R - SENSITIVITY test - SENSITIVITY or MTL: 74 dBm plus or
R minus 3 dBm
R - SENSITIVITY difference MODE - SENSITIVITY difference: less than or
R A/MODE C equal to 1 dB
R 5. Set the test set (or bench) for: On the test set:
R The results must show:
R - antenna diversity test - antenna diversity or isolation: more
R than or equal to 20 dB.
R NOTE : To measure antenna diversity or isolation, refer to the Diversity
____ R testing procedure given in the test-bench user manual.
R 6. Set the test set (or bench) for:
R - SLS (Side Lobe Suppression)
R test
R - SLS: -9 dB
R - SLS: 0 dB
R
R 7. Set the test set (or bench) for:
R
R - INVALID ADDRESS/UNDESIRED REPLY
R MODE S test
R 8. On the center pedestal, on the
R ATC control unit:
R - set the ALT RPTG/ON/OFF switch
R to OFF
R Set the test set (or bench) for:
R - interrogation in MODE C
R 9. On the center pedestal, on the
R ATC control unit:
On the test set:
The results must show:
-
MODE A: 5555 and MODE C: Z,ZZZ
-
MODE A: no reply (or PASS) and MODE
C: no reply (or PASS)
On the test set:
The results must show:
-
MODE S ADDRESS: no reply
On the test set:
The results must show:
-
MODE C: no Altitude Value
On the test set:
The results must show:
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R - set the ALT RPTG/ON/OFF switch
R to ON
R - push the IDENT pushbutton
R switch
R Set the test set for:
R - interrogation in MODE A
R
R 10. Put the aircraft back to ground
R configuration (Ref. TASK 32-00-
R 00-860-002)
R Set the test set (or bench) for:
R - interrogation in MODE A
R - interrogation in MODE C
R - interrogation in MODE S
R
R
R Subtask 34-52-00-720-065
-the ident pulse is transmitted for a minimum of 20 seconds.
On the test set:
The results must show:
-
MODE A: no reply
-
MODE C: no reply
-
MODE S aircraft code: XXXXXX
-Flight number/Flight ID
-Aircraft status: Ground
R B. Functional Test of the ATC MODE S for Elementary Surveillance.
R (1) On the center pedestal, on one MCDU, get the LGCIU 1 (2) page and
R simulate a flight condition (Ref. TASK 32-69-00-860-001):
R
R -------------------------------------------------------------------------------R ACTION RESULT
R -------------------------------------------------------------------------------
R 1. Set the test set (or bench) for: On the test set:
R Capability Report Comm B Data 7 The results must show:
R (BDS 1.0) test
R - Surveillance Identifier (SI) - PASS or OK
R code test
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R - TCAS Sensibility Level (SL) - YES or OK or AVAIL
R capability
R - Squitter capability - OK or PASS
R - A/C Ident capability - OK or PASS
R 2. Set the test set (or bench) for: On the test set:
R Capability Report Comm B Data The results must show:
R (BDS 1.7) test - No null coding
R 3. Set the test set (or bench) for: On the test set:
R Capability report Comm B Data The results must show:
R (BDS 3.0) test
R - Resolution Advisory (RA) test - No RA or Pass or OK
R (2) Put the aircraft back to ground configuration (Ref. TASK 32-00-00-
R 860-002).
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