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HEADING (VOR and APP modes)
ILS Glide Slope Flag (VOR
or APP modes)
Vertical Track (MAP mode)
DME Flag (VOR and APP
modes)
Map Flag (Map modes)
April 1, 2000
747 Operations Manual
Flight Instruments, Displays -
Controls and Indicators
Copyright © The Boeing Company. See title page for details.
D6-30151-425 10.10.27
EFIS Control Panels
The left EFIS control panel controls the left PFD and ND. The right EFIS control
panel controls the right PFD and ND.
If an EFIS control panel fails, displays are controlled through the related CDU
(CDU-152).
Displays can also be controlled through the related CDU (CDU-161).
Control Panel PFD Controls
1 Decision Height/Minimium Descent Altitude Selector (outer)
DH – selects radio altitude as PFD minimums reference.
MDA – selects barometric altitude as PFD minimums reference.
2 Decision Height (DH)/Minimum Descent Altitude (MDA) Control
(middle)
Rotate –
• when DH selected, sets a radio altitude reference in DH display
• when MDA selected, sets a barometric altitude reference in MDA display.
MDA pointer indicates the same altitude on the altitude display
3 Decision Height Reset (RST) Switch (inner)
Push – resets PFD flashing amber DH.
Clears HEIGHT ALERT display on related PFD.
TFC 640
320
160
20
40
10
80
PLN
VOR MAP
CTR
APP
RST
MDA IN HPA
BARO
STD
DH
MTRS
OFF
VOR R
ADF L ADF R
VOR L
OFF
WXR STA WPT ARPT DATA POS
GLARESHIELD PANEL
1
2
3
6
7
4
5
April 01, 2001
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
10.10.28 D6-30151-425
Flight Instruments, Displays -
Controls and Indicators
4 Meters (MTRS) Switch
Push – displays PFD altitude meters indications.
5 Barometric Standard (BARO STD) Switch (inner)
Push –
• selects standard barometric setting (29.92 inches Hg/1013HPA) for PFD
barometric reference
• when STD displayed, selects preselected barometric setting
• if no preselected barometric setting displayed, displays the last value
before STD was selected
6 Barometric (BARO) Selector (middle)
Rotate – adjusts PFD barometric reference.
7 Barometric (BARO) Reference Selector (outer)
IN – selects inches of mercury as PFD barometric reference.
HPA – selects Hectopascals as PFD barometric reference.
Control Panel ND Controls
1 ND Mode Selector (outer)
Selects desired ND display.
GLARESHIELD PANEL
5
4
3
2
1
6
TFC 640
320
160
20
40
10
80
PLN
VOR MAP
CTR
APP
RST
MDA IN HPA
BARO
STD
DH
MTRS
OFF
VOR R
ADF L ADF R
VOR L
OFF
WXR STA WPT ARPT DATA POS
April 01, 2001
747 Operations Manual
Flight Instruments, Displays -
Controls and Indicators
Copyright © The Boeing Company. See title page for details.
D6-30151-425 10.10.29
APP –
• displays localizer and glideslope information in heading–up format
• displays reference ILS receiver, ILS frequency or identification, course,
and DME
• weather radar and TCAS are not displayed in APP CTR mode
VOR –
• displays VOR navigation information in heading–up format
• displays reference VOR receiver, VOR frequency or identification,
course, DME, and TO/FROM indication
• weather radar and TCAS are not displayed in VOR CTR mode
MAP –
• displays track up, full compass rose, FMC–generated route and map
information, airplane position, heading, and track
• displays active waypoint data
• displays vertical path deviation at T/D
PLN –
• displays a non-moving, true north–up, route depiction
• airplane symbol represents actual airplane position
• allows route step–through using CDU legs page
• weather radar and TCAS are not displayed in PLN mode
2 ND Center (CTR) Switch (inner)
Push –
• displays full compass rose (centered) for APP, VOR, and MAP modes
• subsequent pushes alternate between expanded and centered displays
3 VOR/ADF Switches
Display VOR or ADF information on the respective ND.
VOR – displays VOR pointer, VOR frequency or identification and associated
DME information in all modes except PLAN.
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