-------------------------------------------------------------------------------| 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 | -------------------------------------------------------------------------------| 260 | DATE | 1 Day |MON:| 6 | | 1s |BCD | | | | | |YEAR| | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | | GPS | | | | | | | | | 273 | SENSOR | N/A |N/A |N/A | | 1s |DISC| | | | STATUS | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | 343 | DEST | 16 |NM | 11 | |0.5s|BNR | | | | HIL | 0.0078 | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | | ALT | | | | | | | | | 347 | WAYPNT | 16 |NM | 11 | |0.5s|BNR | | | | HIL | 0.0078 | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | 354 | GPSSU | N/A |N/A |N/A | | |ISO | | | | IDENT | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | 356 | MAINT | N/A |N/A |N/A | | |ISO | | | | DATA | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | | EQUIP-| | | | | | | | | 377 | MENT | N/A |N/A |N/A | | 1s |BCD | | | | ID | | | | | | | | -------------------------------------------------------------------------------
6. Component Description
_____________________
R **ON A/C 051-099,
R A. MMR
R (1) External description
R (Ref. Fig. 004)
R The face of the MMR is fitted with a handle, two attaching parts, a
R TEST pushbutton switch and three LEDs. The LRU STATUS LED has two
R colors (red/green).
R The three LEDs have the following name, color and function:
1EFF : ALL 1 34-36-00Page 13 1 1 Config-2 May 01/05 1 1 1CES 1R MMR - External Description R Figure 004
R 1EFF : 051-099, 1 34-36-00Page 14 1 1 Config-2 May 01/05 1 1 1CES 1
R - LRU STATUS (red) indicates that an internal fault is detected
R during the front panel self-test sequence
R - LRU STATUS (green) indicates that no internal fault is detected
R during the front panel self-test sequence
R - CONTROL FAIL (red) indicates that no control input is available
R during the test sequence.
R - ANT FAIL (red) indicates that a failed antenna is detected during
R the test sequence.
R The back of the MMR is equipped with one ARINC 600 size one
R connector, which includes three plugs:
R - Top Plug (TP): connection with the GPS antenna
R - Middle Plug (MP): service interconnection
R - Bottom Plug (BP): connection with the power supply circuit, and the
R LOC and G/S coaxial interconnections.
R (2) Internal description
R (Ref. Fig. 005)
R The MMR consists of four parts:
R - the power supply unit
R - the ILS receiver
R - the GPS receiver
R - the system processor unit.
R The primary function of the MMR is to receive and process ILS and GPS
R signals. The ILS receiver and the GPS receiver make up two of the
R subassemblies. The ILS signals, including both localizer and
R glideslope, are used to determine flight path deviations during
R precision approach and landing, and are supplied to the aircraft
R flight control and instrument systems. These deviations are based on
R radio frequency signals that the unit receives from a ground-based
R instrument landing system.
R The GPS receiver simultaneously tracks signals from up to twelve GPS
R satellites. The signals are processed to generate a three-dimensional
R position and a precise time. The receiver generates an estimate of
R the positional accuracy provided. An integrity alert is activated if
R an unannounced satellite malfunction is detected. The receiver has
R the capability of excluding satellites that are malfunctioning.
R The system processor card has the functions that follow:
R - output position and deviation data to other aircraft systems,
R - receive ILS frequency selections,
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