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sequence that shows on the LED status indicators during the
test:
* 0 to 2 seconds - the LRU status and the control fail LEDs are
red
* 2 to 4 seconds - the LRU status LED is green and the control
fail LED is red
* 4 to 12 seconds - the LRU status and the control fail LEDs go
off
* 12 to 42 seconds - test status shows.
The LRU status LED indicator shows green for an LRU test pass
condition or red for an LRU test fail condition. The control fail
LED shows red if there is no tuning input from the NAV control
panel or if the signal is invalid.
VOR SYSTEM - FRONT PANEL BITE
EFFECTIVITY
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VOR SYSTEM - FRONT PANEL BITE
VOR SYSTEM - FRONT PANEL BITE
EFFECTIVITY
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Test
You can do a test of the VOR/MB receivers from the flight
compartment with the NAV control panels. The captain’s NAV
control panel does a test of VOR/MB receiver 1 and the first
officer’s NAV control panel does a test of VOR/MB receiver 2.
You need to set these controls to do a test of the VOR/MB
receivers:
* Enter a valid VOR frequency into the active frequency display
window on the NAV control panel
* Set a selected course of 000 on the DFCS mode control panel
* Set the mode selector on the EFIS control panel to the VOR
position
* Push the test switch on the NAV control panel.
This is the flight compartment display sequence that shows
during the VOR test:
* Invalid display (VOR flag)
* NCD display (deviation bar out of view)
* Test display (deviation bar centered).
VOR SYSTEM - SELF TEST
EFFECTIVITY
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VOR SYSTEM - SELF TEST
VOR SYSTEM - SELF TEST
EFFECTIVITY
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General
This page is for reference.
VOR SYSTEM - SYSTEM SUMMARY
EFFECTIVITY
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VOR SYSTEM - SYSTEM SUMMARY
VOR SYSTEM - SYSTEM SUMMARY
EFFECTIVITY
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General
The air traffic control (ATC) ground stations interrogate the
airborne ATC system. The ATC transponder replies to the
interrogations in the form of coded information that the ground
station uses.
The ATC transponder also replies to mode S interrogations
from the traffic alert and collision avoidance systems (TCAS) of
other airplanes or ground stations.
When a ground station or a TCAS computer from another
airplane interrogates the ATC system, the transponder
transmits a pulse-coded reply signal. The reply signal
identifies and shows the altitude of the airplane.
* Maximum airspeed
* TCAS coordinating signals
* TCAS status
* Altitude
* Mode A identity code
* Twenty-four bit address.
Abbreviations and Acronymns
* abs - absolute
* abv - above
* ADIRS - air data inertial reference system
* ADIRU - air data inertial reference unit
* AD - air data
* ADR - air data reference
* alt - altitude
* amp - amplifier
* ant - antenna
* ATC - air traffic control
* ATCRBS - air traffic control radar beacon system
* BITE - built-in test equipment
* blw - below
* bot - bottom
* coax - coaxial
* cntl - control
* CPU - central processing unit
* DME - distance measuring equipment
* ELEX - electrical
* FL - flight level
* gnd - ground
* ID - identification
* I/O - input/output
* ident - identification
* INS - instrument
* INT - interrogator
* LED - light emitting diode
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