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R (5) Digital outputs This table contains all the output parameters in the digital form. They are sorted as per the numerical order of their output label. The following table gives :
 -EQ.SYS.LAB.SDI: (SDAC, FWC, DMC...) output label for which the parameter is available
 -PARAMETER DEFINITION: parameter name
 -WORD RANGE OPER RANGE RESOLUTION ACCURACY: measurement range. Maximum value transmitted. When the digital value changes, the change step is equal to the accuracy
 -UNIT: unit in which the digital value is transmitted
 -SIG BIT: indicates whether a sign bit is available
 -BITS: number of bits used by the parameter in the label
 -XMSN/INTV: output transmission interval. The refresh rate is given in milliseconds
 -CODE :
 BNR: binary data word
 BCD: binary coded decimal data word
 ISO: data word coded in ISO5 code
 DIS: discrete data word
 HEX: hexadecimal coded
 HYB: mixed code

 -ALPHA CODE: indicates the parameter mnemonic code
 -SOURCE ORIGIN: parameter source computer or system.
 1EFF : 001-004, 1 34-36-00Page 33 1 1 Config-1 May 01/05 1 1 1CES 1 -------------------------------------------------------------------------------| PARAMETER LIST PARAMETER CHARACTERISTICS (NUMERIC) | -------------------------------------------------------------------------------|EQ.SYS.LAB.SDI|PARAMETER | WORD RANGE |UNIT|SIG |BITS|XMSN|CODE|ALPHA|SOURCE | | |DEFINITION| OPER RANGE | |BIT | |INTV| |CODE |ORIGIN | | |(*=REMARK)| RESOLUTION | | | | | | |BUS No.| | |(X=NOTE) | ACCURACY | | | | | | |ATA REF| | | | | | | | | | |CONV | -------------------------------------------------------------------------------| 017 |RUNWAY | FROM 0 TO |Deg.| | 15 |300 |BCD | | | | |HEADING | 359.9 | | | | | | | | | | | | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-----|-------| | 033 |ILS | FROM 108.10|MHZ | | 15 |200 |BCD | | | | |FREQUENCY | TO 111.95 | | | | | | | | | | | | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-----|-------| | 105 |RUNWAY | FROM 0 TO |Deg.| | 11 |300 |BNR | | | | |HEADING | 359.9 | | | | | | | | | | | | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-----|-------| | 173 |LOCALIZER | + or |DDM | 29 | 12 | 50 |BNR | | | | |DEVIATION | - 0.155 | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-----|-------| | 174 |GLIDE | + or -|DDM | 29 | 12 | 50 |BNR | | | | |SLOPE | 0.175 | | | | | | | | | |DEVIATION | | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-----|-------| | 263 |ILS GROUND| | | | 14 |150 |HYB | | | | |STATION | | | | | | | | | | |IDENT | | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-----|-------| | 264 |ILS GROUND| | | | 14 |150 |HYB | | | | |STATION | | | | | | | | | | |IDENT | | | | | | | | | -------------------------------------------------------------------------------

NOTE : Station identification consists of 4 characters max. : label
____ 263 provides the first two characters (bits 11 to 17 for the first character and bits 19 and 25 for the second one) and label 264 gives the last two characters (bits 11 to 17 for the third character and bits 19 to 25 for the fourth one).
 1EFF : 001-004, 1 34-36-00Page 34 1 1 Config-1 May 01/05R 1 1 1CES 1

R  **ON A/C 051-060, 
R  (4) ILS monitoring 
R  The ILS monitoring is based on the on-line monitoring performed 
R  during normal unit operation, and on test modes which provide a check 
R  of all deviation-affecting circuitry. 
R  (a) On-line monitoring 
R  1_  Localizer and glide slope receivers monitoring
R  Receivers monitoring consists in having the DSPs determine the 
R  quality of each receiver envelope-detector output-signal. 
R  During on-line operation, an SSM set to NCD is issued by the 
R  DSPs in 0.5 s if any of the following conditions on either LOC 
R  or G/S detector output is met: 
R  - detector dc voltage level out of tolerance 
R  - lack of a signal carrier 
R  - improper modulation level (a signal carrier being present) 
R  - RF signal modulated with standard deflection not producing a 
R  deviation of at least 50 per cent of standard deflection. 
R  2_  Localizer and glide slope synthesizers monitoring
R  Both the LOC and G/S frequency synthesizers are monitored 
R  separately for lock condition. An unlocked condition causes FW 
R  to be sent on the deviation output of the affected receiver. 
R  3_  Monitoring of deviation calculations
　
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