-------------------------------------------------------------------------------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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