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BETWEEN 200
AND 300 FEET
Vertical
Deviation
Scale
Vertical
Deviation
Pointer
N
6
33
E
W
24
21
s
15
30
12
3
N
6
33
E
W
24
21
s
15
30
12
3
N
6
33
E
W
24
21
s
15
30
12
3
GF0410_092
20 20
20 20
20
10 10
10 10
20
20 20
20 20
20 20
AUTOMATIC FLIGHT CONTROL SYSTEM
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
04−10−29
TAKE-OFF (TO) MODE
TO mode provides pitch and lateral commands during the takeoff
phase of flight.
TO mode is activated by pushing one of the throttlemounted
TOGA buttons, while on the ground.
When TO mode is selected, all other lateral and vertical modes are cleared.
GF0410_093
20 20
160 3 000
1500
1000
180
170
160
150
140
130
ROL TO
145
6
4
TOGA BUTTON
ROL TO
TO mode is a heading submode of ROL. TO mode will track the current heading at the time the
airplane passes 80 KIAS during the takeoff
roll.
Vertical TO mode generates a fixed pitch attitude of 17.5°, based on power being developed by the
engines. In the event of a loss of an engine, (N1 <70% on either engine), the pitch command will be
reduced to 13°.
The autothrottles will provide full takeoff thrust until TO mode is cleared.
TO mode can be cleared by selecting the AP on, or by selecting another vertical mode.
GO AROUND (GA) MODE
GA mode provides pitch and lateral commands for a transition from an approach to climb out
condition, when a missed approach has occurred.
GA mode is activated by pushing one of the throttlemounted
TOGA buttons, while airborne. When
GA mode is selected, autopilot is disengaged and all other lateral and vertical modes are cleared.
The resultant AP disengage warning may be cancelled by pressing the AP DISC switch.
GF0410_094
20 20
160 3 000
1500
1000
180
170
160
150
140
130
ROL
145
6
4
TOGA BUTTON
ROL AP1 GA
AP1 GA
The GA mode is a heading submode of ROL. GA mode will track the current heading at the time of
GA selection.
GA mode will capture the preselected altitude under the following circumstances:
· If a BARO minimum was not set on the coupled PFD, GA will transition to ASEL and capture
the altitude preselector;
AUTOMATIC FLIGHT CONTROL SYSTEM
Flight Crew Operating Manual Rev 3, Apr 25, 2005
CSP 700−5000−6
Volume 2
04−10−30
GO AROUND (GA) MODE (CONT'D)
· If a BARO minimum was set on the coupled PFD and the altitude preselector is at least 500 ft
higher than the BARO minimum, GA will transition to ASEL and capture the altitude
preselector.
Vertical GA mode generates a fixed pitch attitude of 10° whether dual or single engine.
GA mode can be cleared by selecting the AP on, or by selecting another vertical mode.
AUTOMATIC FLIGHT CONTROL SYSTEM
Rev 3, Apr 25, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
04−10−31
AUTOMATIC EMERGENCY DESCENT MODE (EDM) ( OPTIONAL)
The EDM mode provides vertical and lateral commands to the AFCS to descend and level the
airplane in the case of flight crew incapacitation due to loss of cabin pressurization.
The EDM mode will be automatically activated when the following conditions are met:
· The autopilot is engaged
· The airplane pressure altitude is above 25,000 feet
· The cabin altitude exceeds 14,500 feet.
GF0510_019
300
280
260
240
270
9
1
EDM 150
15500
500
500
EMERGENCY
DESCENT
EDM
TARGET
ALTITUDE
HDG BUG
90° LEFT OF
CURRENT
HEADING
TARGET
AIRSPEED
HDG
300
FMS1
DTK
030
330
15000
151
In EDM mode the aural warning EMERGENCY DESCENT will be generated and an EMERGENCY
DESCENT warning message will be posted on EICAS. Pressing the Master Warning/Caution
pushbutton will mute the aural warning. The aural warning CABIN ALTITUDE will be generated if the
cabin altitude exceeds 9,000 feet. Pressing the Master Warning/Caution pushbutton will mute the
aural warning. If both the EMERGENCY DESCENT and CABIN ALTITUDE aural warnings are being
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