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the mode is active
ALT Knob
Rotate:
Push Inset Button:
Adjusts preselected altitude
Range is from 0 to 50,000 feet
Clockwise rotation increases the
preselected altitude
Cancels altitude alert deviation warnings
(flashing display and audible warning)
When pressed and no alert exists, tests
the altitude alert system
VNAV Button
Press:
Alternately selects or clears
vertical navigation mode (VNAV)
Illuminates the VNAV button
status indicator lights when the
mode is active
AUTOMATIC FLIGHT CONTROL SYSTEM
4-54 For Training Purposes Only
Sept 04
P I LOT T R A I N I N G GU I D E
AFCS Cockpit Switches
Cockpit Switches - Autopilot / Flight Director Function
Figure 4-41
I/C
OFF
R/T
NOSE
DN
NOSE
UP
AP
SC
SYNC
THRUST LEVERS
TOGA (Takeoff/Go-Around) Buttons
Press:
On the ground
disengages the autopilot
activates lateral and vertical takeoff modes
In flight
disengages the autopilot
activates lateral and vertical go-around modes
P604_04_051
PILOT'S
(REAR VIEW)
PILOT'S
(FRONT VIEW)
AP/SP (Autopilot/Stick Pusher Disconnect) Button
Press – Disengages autopilot and deactivates stick pusher.
: When released, stick pusher system is immediately
reactivated.
NOTE
FD SYNC Switch
Press:
Uncouples the autopilot servo clutches if the autopilot is engaged
(while the button is being held)
Synchronizes the vertical mode flight director reference values to
the values being presently flown by the aircraft when in FLC, VS,
ALT, PTCH or ROLL modes.
AUTOMATIC FLIGHT CONTROL SYSTEM
For Training Purposes Only
Sept 04
4-55
P I LOT T R A I N I N G GU I D E
PFD Annunciations
The following figure and Table 4-1 provide a summary of FCC-related annunciations
which may be presented on the PFD.
PFD Annunciations
Figure 4-42
P604_04_057
Flight Director Command Bars
(V-Bars)
B/C1
B/C2
LNV1
LNV2
LNV3
LOC1
LOC2
VOR1
VOR2
ARMED
LATERAL MODES
ALTS
ALTV
FLC
GS
GP
PATH
PTCH
ALTS
PATH
VNAV
ALT
ALTS
ALTS CAP
FLC
PTCH
GS
GA
TO
VALT
VALTS
VALTV
VALTV CAP
VFLC
VGP
VS
VVS
VPATH
VPTCH
FLC
VFLC
ACTIVE/CAPTURED
VERTICAL MODES
ACTIVE/CAPTURED
LATERAL MODES
B/C1
B/C2
HDG
GA
LNV1
LNV2
LNV3
LNV1
LNV2
LNV3
LOC1
LOC2
ROLL
TO
VOR1
VOR2
7000
2000 1.0
10
10
1/2 BNK
A
HDG
LOC GS
DR PTCH
ALTS GP
AP
2500M 4
4
2
2
1
1
M.456
200
160 T
2
140
170
180
2
100
200
900
800
000
29.92 IN
1900 FT
SYNC
YD
E A
MISTRIM
ANNUNCIATIONS
A
E
AUTOPILOT/FLIGHT DIRECTOR
STATUS ANNUNCIATIONS
AP
AP
AP
AP
AP
AP
AP
AP
AP
AP
AP
FD2
FD1
FD1
FD1
FD2
FD2
FD2
AP
FD1
NOTE: If a required data source is invalid for the active lateral or vertical mode,
a red line is drawn through the active vertical mode annunciation (e.g. VOR1 ).
Pilot PFD Copilot PFD
ARMED
VERTICAL MODES
AUTOMATIC FLIGHT CONTROL SYSTEM
4-56 For Training Purposes Only
Sept 04
P I LOT T R A I N I N G GU I D E
PFD Messages
INDICATION DESCRIPTION
← Autopilot is not engaged and flight guidance commands are coupled to pilot side flight director
(annunciated on pilot’s PFD).
←
FD1
Autopilot is not engaged and flight guidance commands are coupled to pilot side flight director
(annunciated on the copilot’s PFD).
→ Autopilot is not engaged and flight guidance commands are transferred to copilot side flight
director (annunciated on copilot’s PFD).
→
FD2
Autopilot is not engaged and flight guidance commands are transferred to copilot side flight
director (annunciated on the pilot’s PFD).
1/2 BNK Half bank mode is selected.
A Autopilot is engaged and is detecting a significant aileron mistrim.
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