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* N2 is 50% RPM
* Engine start lever is set to idle for 5 minutes.
CDS - ENGINE INTERFACES - 6
EFFECTIVITY
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CDS - ENGINE INTERFACES - 6
CDS - ENGINE INTERFACES - 6
EFFECTIVITY
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General
There are four coaxial couplers. Each DEU channel sends an
output to a coaxial coupler. There are two channels in each
DEU.
The coax coupler splits the signal and sends an output to each
of the six display units.
CDS - COAX COUPLER
EFFECTIVITY
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CDS - COAX COUPLER
CDS - COAX COUPLER
EFFECTIVITY
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General
Two remote light sensors (RLSs) are on the top forward part of
the glareshield. The sensors point forward. The RLSs measure
ambient light with a photodiode sensor and supply an analog
signal in proportion to the ambient light. The left RLS sends the
analog signal to the left outboard display unit. The right RLS
sends an analog signal to the right outboard display unit. The
display unit sends these values to the DEU. The DEU uses this
input with other manual and automatic inputs to calculate the
brightness value for all display units.
Physical Description
Each sensor weighs less that 1/2 pound. The RLS has a field of
view of 70 degrees left, 70 degrees right, 40 degrees up and 15
degrees down.
CDS - REMOTE LIGHT SENSOR
EFFECTIVITY
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CDS - REMOTE LIGHT SENSOR
CDS - REMOTE LIGHT SENSOR
EFFECTIVITY
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CDS - REMOTE LIGHT SENSOR
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General
The common display system uses six identical, flat panel, liquid
crystal display (LCD) units. The display units (DUs) show this
type of information:
* Primary flight information
* Navigation information
* Engine information.
Physical Description
The DUs are rack mounted. The DUs are 8 inches (20.3 cm) by 8
inches and are 9.75 inches (24.8 cm) deep. Each DU weighs
approximately 18 pounds (8.2 kg).
There is a bezel light sensor (BLS) at the bottom edge of the
face plate.
Internal Temperature Detectors
Each DU has internal temperature detectors. If the internal
temperature gets too hot, the power supply shuts down the
display unit. When the DU cools, the display unit comes on
again.
The left outboard, left inboard, and lower center display units
use blow-through cooling. The right outboard, right inboard, and
upper center display units use draw-through cooling.
CAUTION: DO NOT USE COMPRESSED AIR TO CLEAN THE
SCREEN IN THE COOLING AIR INLET.
COMPRESSED AIR WILL PUSH CONTAMINATION
INTO THE DISPLAY UNIT AND CAUSE EQUIPMENT
FAILURE.
Training Information Point
The six DUs are interchangeable. Because of the viewing angle
limitations of LCD technology, the installation of the lower DU is
turned 180 degrees from the other DUs. The lower center DU
handle is at the top.
Training Information Point
When you remove or install the inboard or outboard DUs, you
must move the control column.
WARNING: KEEP PERSONS AND EQUIPMENT CLEAR OF THE
FLIGHT CONTROL SURFACES, THE THRUST
REVERSERS, AND THE LANDING GEAR. THESE
COMPONENTS CAN MOVE SUDDENLY WHEN YOU
MOVE THE CONTROL COLUMN. THIS CAN CAUSE
INJURIES TO PERSONS AND DAMAGE TO
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