рефераты конспекты курсовые дипломные лекции шпоры

Раздел Информатика
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Operation

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Operation

Operation - раздел Информатика, VHF OMNIDIRECTIONAL RANGING (VOR) SYSTEM Frequency Tune Inputs From The Nav Control Panel Go To An Arinc 429 Receiver ...

Frequency tune inputs from the NAV control panel go to an ARINC 429 receiver in the VOR/MB receiver, then to the processor. The processor sends the tune inputs to the frequency synthesizer to tune the receiver circuits.

The control panel sends a discrete to the REU when you tune a VOR frequency. The REU uses the discrete to select VOR audio inputs.

When you tune a VOR frequency, the control panel also sends a discrete to the DEUs. The DEUs use the discrete to display VOR or ILS as the frequency data source on the lower left corner of the captain and first officer NAV displays.

The processor sends fault data to the memory card. Only shop personnel can read the memory card contents.

The air/ground discrete input from the PSEU inhibits a VOR test when the airplane is in the air. The receiver also uses the discrete for flight leg count.

RF input signals from the VOR/ILS antenna go through the power divider then to the receiver circuits in the VOR/MB receiver. The receiver circuits send audio and morse code station identifier signals from the ground station to the audio processor.

The audio processor sends the audio and morse code station identifier signal to the audio output circuits then to the remote electronics unit.

The morse decoder circuit decodes the station identifier and puts it in digital format then sends it to the ARINC 429 transmitter. The display electronic units (DEU 1 & 2), use the data to show the station identifier.

The VOR/MB VOR receiver circuits send the antenna inputs to the bearing processor which calculates the VOR station bearing. Data from the bearing processor goes to the ARINC 429 transmitter. The VOR/MB receiver transmits VOR bearing and receiver status on two output buses.

Output bus 1 goes to the onside FCC. Output bus 2 goes to these components:

· Flight data acquisition unit (FDAU)

· Radio magnetic indicator (RMI)

· Flight management computers (FMC)

· Display electronic units (DEU).

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VHF OMNIDIRECTIONAL RANGING (VOR) SYSTEM

VHF OMNIDIRECTIONAL RANGING VOR SYSTEM... Purpose... The VHF omnidirectional ranging VOR system is a navigation aid that gives magnetic bearing data from a VOR ground...

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Abbreviations and Acronyms
· ACP - audio control panel · DEU - display electronic unit · DFCS - digital flight control system · DME - distance measurement equipment · EFIS - electronic fli

Description
The navigation (NAV) control panels give manual tune inputs to the VOR/MB receivers. There are two NAV control panels, one for the captain and one for the first officer. RF signals from th

General
These are the components in the flight compartment that interface with the VOR system: · Captain’s primary and secondary EFIS displays · Left and right EFIS control panels

Circuit breakers
The VOR circuit breakers supply 115v ac power for receiver operation. VOR/MB receiver 1 gets power from the ac standby bus, section 1 and VOR/MB receiver 2 gets power from the ac transfer bus 2, se

VOR/MB Output
The VOR/MB receivers each have two output buses. One output bus from each receiver goes to the on-side FCC. VOR/MB receiver 1 supplies VOR data and status to FCC A. VOR/MB receiver 2 supplies VOR d

Test and Indication
There are two light emitting diodes (LEDs) and a test switch on the front of the VOR/MB receiver. The LEDs show receiver test status when you do a test of the VOR/MB receiver. The red control fail

Operation
The NAV control panel has an active frequency display window and a standby frequency display window. The frequency that shows in the active frequency display window is the frequency that the naviga

Instrument Switching Module
The instrument switching module on the P5 overhead panel provides discretes to the display electronics unit (DEU) for display switching when you move the switch to the both on 1 or both on 2 positi

Audio Control Panel Controls
The audio control panels (ACP) permit the crew to listen to VOR station audio or the morse code station identifier. You use the ACP volume control switches to select the VOR/MB system you

General
The radio magnetic indicator (RMI) shows bearing data to a VOR or ADF station with reference to the airplane magnetic heading. The RMI has two bearing pointers. There is a fail flag for be

Bearing Pointers
Bearing pointers 1 and 2 show in green around the edge of the compass rose when you set the VOR/ADF switches on the EFIS control panels to the VOR position. There is a pointer head and tail for bot

TO/FROM Pointer and Indicator
The TO/FROM pointer is a small white triangle that shows as part of the selected course pointer. The TO/FROM pointer shows on the centered VOR display only. The TO/FROM indicator shows at

VOR Frequency
The VOR frequency shows in the upper right next to the NAV data source. The frequency from the NAV control panel goes through the VOR/MB receivers, then to the DEUs for display. The frequency shows