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R  The three types of test modes are defined in para. (3)(f). They 
R  perform essentially the same tests but the way they are 
R  initiated and their duration are different. 
R  (c) No Computed Data (NCD) indication for localizer (label 173) and 
R  glide slope (label 174) when: 
R  - LOC or G/S last value from DSPs was NCD (Ref. Para. (4)(a)1_) 
R  - deviation comparison between the two DSPs is more than 0.0065 
R  DDM (LOC) and 0.009 DDM (G/S), with SSM at Normal Operation for 
R  more than 450 ms. 
R  - the system processor receives only 1 or 2 valid LOC and G/S 
R  deviation data messages from DSPs within 50 ms (refresh rate of 
R  LOC and G/S parameter = 12 ms) 
R  - any of the input voltages to the A/D converter is out of its 
R  valid range for two consecutive A/D readings (2 x 280 ms) 
R  (power supply and DC level to LOC and G/S detectors) 
R  - functional test is performed (Ref. Para. (3)(f)1_) 
R  - the output frequency tune word is at NCD (Ref. Para. (4)(a)5_ 
R  for the associated input conditions) 
R  - LOC and G/S synthesizers are lost while the unit is not 
R  performing a functional test (detection of "unlock condition"). 
R  (d) Failure Warning (FW) indication for localizer (label 173) and 
R  glide slope (label 174) when: 
R  - deviation comparison between the two DSPs is more than 0.013 
R  DDM (LOC) and 0.07032 DDM (G/S), with SSM at Normal Operation 
R  for more than 450 ms for the LOC and 1s for the G/S. 
R  - the system processor receives only one valid LOC and G/S 
R  deviation data message from one of the two DSPs within 50 ms 
R  (refresh rate of LOC and G/S parameter =12ms). 
R  - LOC or G/S synthesizer is lost during a functional test 
R  - any of the input voltages to the A/D converter is out of its 
R  valid range for four consecutive A/D readings (4 x 280 ms) 
R  (continuous monitoring of power supply and check of DC level to 
R  LOC and G/S detectors during functional test) 

R 1EFF : 051-060, 1 34-36-00Page 37 1 1 Config-1 May 01/05 1 1 1CES 1

R  - unscheduled functional test 
R  - functional test is performed (Ref. Para. (3)(f)1_) 
R  - the tune/test inhibit input discretes are not of opposite 
R  states (350 ms) 
R  - cold start initialization test fails (ROM, RAM, UART loop 
R  back). 
R  (5) Digital outputs 
R  This table contains all the output parameters in the digital form. 
R  They are sorted as per the numerical order of their output label. 
R  The following table gives : 
R  - EQ.SYS.LAB.SDI: (SDAC, FWC, DMC...) output label for which the 
R  parameter is available 
R  - PARAMETER DEFINITION: parameter name 
R  - WORD RANGE OPER RANGE RESOLUTION ACCURACY: measurement range. 
R  Maximum value transmitted. When the digital value changes, the 
R  change step is equal to the accuracy 
R  - UNIT: unit in which the digital value is transmitted 
R  - SIG BIT: indicates whether a sign bit is available 
R  - BITS: number of bits used by the parameter in the label 
R  - XMSN/INTV: output transmission interval. The refresh rate is given 
R  in milliseconds 
R  - CODE : 
R  BNR: binary data word 
R  BCD: binary coded decimal data word 
R  ISO: data word coded in ISO5 code 
R  DIS: discrete data word 
R  HEX: hexadecimal coded 
R  HYB: mixed code 
R  - ALPHA CODE: indicates the parameter mnemonic code 
R  - SOURCE ORIGIN: parameter source computer or system. 

R 1EFF : 051-060, 1 34-36-00Page 38 1 1 Config-1 May 01/05 1 1 1CES 1R -------------------------------------------------------------------------------R | PARAMETER LIST PARAMETER CHARACTERISTICS (NUMERIC) | R -------------------------------------------------------------------------------R |EQ.SYS.LAB.SDI|PARAMETER | WORD RANGE |UNIT|SIG |BITS|XMSN|CODE|ALPHA|SOURCE | R | |DEFINITION| OPER RANGE | |BIT | |INTV| |CODE |ORIGIN | R | |(*=REMARK)| RESOLUTION | | | | | | |BUS No.| R | |(X=NOTE) | ACCURACY | | | | | | |ATA REF| R | | | | | | | | | |CONV | R -------------------------------------------------------------------------------R | 033 |ILS | FROM 108.10|MHZ | | 15 |180 |BCD | | | R | |FREQUENCY | TO 111.95 | | | | TO | | | | R | | | | | | |300 | | | | R |--------------|----------|------------|----|----|----|----|----|-----|-------| R | 105 |RUNWAY | FROM 0 TO |Deg.| | 11 |180 |BNR | | | R | |HEADING | 359.9 | | | | TO | | | | R | | | | | | |300 | | | | R |--------------|----------|------------|----|----|----|----|----|-----|-------| R | 173 |LOCALIZER | + or |DDM | 29 | 12 | 50 |BNR | | | R | |DEVIATION | - 0.155 | | | | | | | | R |--------------|----------|------------|----|----|----|----|----|-----|-------| R | 174 |GLIDE | + or -|DDM | 29 | 12 | 50 |BNR | | | R | |SLOPE | 0.175 | | | | | | | | R | |DEVIATION | | | | | | | | | R |--------------|----------|------------|----|----|----|----|----|-----|-------| R | 263 |ILS GROUND| | | | 14 |200 |HYB | | | R | |STATION | | | | | | | | | R | |IDENT | | | | | | | | | R |--------------|----------|------------|----|----|----|----|----|-----|-------| R | 264 |ILS GROUND| | | | 14 |200 |HYB | | | R | |STATION | | | | | | | | | R | |IDENT | | | | | | | | | R -------------------------------------------------------------------------------
　
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