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Indicates that all three IRS
have miscompared.
IRS 1 (2)(3) MISCOMP
Indicates that
respective IRS has
miscompared.
DISP CTLRS FAIL
Indicates that both
display controllers
GF1110_100c
CHECK PFD
ALL ADC MISCMP
ADC 1 MISCMP
ADC 2 MISCMP
ADC 3 MISCMP
IRS 1 MISCMP
IRS 2 MISCMP
IRS 3 MISCMP
ASCB CTRL 1 FAIL
ASCB CTRL 2 FAIL
ASCB CTRL 3 FAIL
ASCB FAIL
DISP CTLRS FAIL
IRS 1 OVHT
IRS 2 OVHT
IRS 3 OVHT
have failed.
ALL IRS MISCMP
FLIGHT INSTRUMENTS
Rev 5, Jul 21, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
11−10−51
FLIGHT INSTRUMENTS EICAS MESSAGES (CONT'D)
ADC 1−2−3 FAIL
Indicates that ADC has
failed.
ADC 1−2−3 DEGRADED
Indicates that ADC is unreliable.
Degraded static error correction.
ASCB BUS FAULT
Indicates ASCB single bus
failure (on ground only).
ASCB CTRL 1−2−3 FAULT
Indicates loss of
communication with one bus
controller.
IRS 1−2−3 SET HDG
Indicates IRS has defaulted
to a heading of 360 degrees
upon entering attitude mode.
GF1110_101a
IRS 1 SET HDG
IRS 2 SET HDG
IRS 3 SET HDG
ADC 1 FAIL
ADC 2 FAIL
ADC 3 FAIL
ADC 1 DEGRADED
ADC 2 DEGRADED
ADC 3 DEGRADED
ASCB BUS FAULT
ASCB CTRL 1 FAULT
ASCB CTRL 2 FAULT
ASCB CTRL 3 FAULT
FLIGHT INSTRUMENTS
Flight Crew Operating Manual Rev 5, Jul 21, 2005
CSP 700−5000−6
Volume 2
11−10−52
FLIGHT INSTRUMENTS EICAS MESSAGES (CONT'D)
IRS 1 (2)(3) IN ATT
Indicates that IRS mode
selector has been selected
to ATT.
IRS 1 (2)(3) AUX PWR
Indicates that IRS has lost
its normal power source
and has reverted to
auxiliary DC power.
IRS 1 (2)(3) AUX FAIL
Indicates IRS backup
power source has failed.
IRS 1 (2)(3) NO ALIGN
Indicates IRS fails to properly
align due to improper position
entry or excessive airplane
motion, while in align mode.
IRS 1 (2)(3) FAIL
Indicates IRS has failed. (IRU
has detected an internal failure).
GF1110_102c
IRS 1 AUX FAIL
IRS 2 AUX FAIL
IRS 3 AUX FAIL
IRS 1 FAIL
IRS 2 FAIL
IRS 3 FAIL
IRS 1 NO ALIGN
IRS 2 NO ALIGN
IRS 3 NO ALIGN
IRS 1 AUX PWR
IRS 2 AUX PWR
IRS 3 AUX PWR
IRS 1 IN ATT
IRS 2 IN ATT
IRS 3 IN ATT
FLIGHT INSTRUMENTS
Rev 5, Jul 21, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
11−10−53
HEAD-UP DISPLAY SYSTEM (HUD)
The HUD is an electronic and optical system which is used to generate and display situational
awareness and guidance to the pilot. The combiner presentation is a repeat of the pilot’s PFD
information (airspeed, altitude, attitude, vertical speed, autothrottle, BARO set, compass, AP/FD
modes, sensor and navigation source annunciation, navigation information and flight guidance). The
combiner will also display specific symbology pertaining to HUD only.
The HUD is composed of:
· HeadsUp
Display Computer (HUD Computer)
· Optical Projector Unit
· Combiner Unit
Combiner Unit
GF1110_057
The HUD can be used for full flight operation including:
· Takeoff
and Go Around with pitch reference,
· Climb, Cruise and Descent with FD guidance,
· Precision (down to CAT 2) and NonPrecision
Approach with FD guidance and Visual
Approaches.
FLIGHT INSTRUMENTS
Flight Crew Operating Manual Rev 5, Jul 21, 2005
CSP 700−5000−6
Volume 2
11−10−54
HEAD-UP DISPLAY SYSTEM (HUD) (CONT'D)
HUD Schematic
GF1110_058
NAV
1
NAV
2
RADIO COMMUNICATIONS BUS
SPC
1
IAC
1
IRS
1
ADC
1
RAD
1
EGPWS
TCAS
ADC
3
IRS
3
IAC
3
SPC
2
IAC
2
IRS
2
ADC
2
RAD
2
Channel A
DAU 4
Channel B
PFD EICAS
Optical
Projector
Unit
Combiner
MON
COM
I/O
I/O
0.88
FMS1 SRP
23.4NM
BARO
3
6
E
12
15
21 S
24
W
30
33 N DTK
360
LIM
0.856M
TOTAL FUEL (LBS) 41550
1.54 1.54
73.3 73.3
789 789
14600 10000 14600
2350 ND
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