737NG机组操作手册Flight Crew Operations Manual FCOM 3(34)

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If a DU fails, automatic display switching ensures critical information remains available to the pilots at all times. If the system detects an operational failure on an outboard DU, the primary flight display automatically moves to the inboard DU and the failed outboard DU blanks. The OUTBD/INDB selector no longer has control over that display unit. If the upper DU fails, the engine display automatically moves to the lower DU.
Manual control of display formats is provided for undetected failures. The outboard rotary switch on the display select panel controls the formats displayed on either the outboard or inboard DUs. The inboard rotary switch controls the display format shown on the lower DU.
Copyright . The Boeing Company. See title page for details.
Flight Instruments, Displays -PFD/ND System Description

Display Selection and Control Examples
The following examples show display selections.
Normal Display Configuration

DISPLAYS Source Panel
The display SOURCE select switch is in AUTO and the CONTROL PANEL select switch is in NORMAL.

EFIS Control Panel
The left EFIS control panel controls the Captain outboard and inboard display units. The right EFIS control panel controls the First Officer outboard and inboard display units.

Display Select Panel
All selectors are in NORMAL.

Display Units
The pilots’ outboard and inboard DUs show the normal PFD/ND displays.
Copyright . The Boeing Company. See title page for details.
10.21.4  April 28, 2000

Flight Instruments, Displays -PFD/ND System Description 737 Flight Crew Operations Manual
Display Unit Failure Automatic Switching

If an outboard display unit fails, the PFD is automatically displayed on the inboard display unit and the outboard display unit blanks.

Inboard Display Unit Fails
If an inboard display unit fails, the PFD format remains displayed on the outboard display unit and the inboard display unit blanks.
Copyright . The Boeing Company. See title page for details.
April 28, 2000  10.21.5
Flight Instruments, Displays -PFD/ND System Description 737 Flight Crew Operations Manual

Upper Display Unit Fails
If the upper display unit fails, the primary engine display automatically moves to the lower display unit and the upper display unit blanks. If the secondary engine display is already on the lower display unit, a compact engine display is then displayed.
Note: There is no automatic switching for a lower DU failure.
Copyright . The Boeing Company. See title page for details.
10.21.6  April 28, 2000
Flight Instruments, Displays -PFD/ND System Description
737 Flight Crew Operations Manual
EFIS Control Panel
1  NORMAL ON 1 BOTH BOTH ON 2 ALL ON 2 ALL ON 1 AUTO SOURCE DISPLAYS CONTROL PANEL 
MINS RADIO BARO  FPV  MTRS  BARO IN HPA  MINS RADIO BARO  FPV  MTRS  BARO IN HPA 
5 10 20 40 80 160 320 640 VOR 1 VOR 2 ADF 2 ADF 1 OFF APP VOR MAPPLN WXR STA WPT ARPT DATA POS OFF RST CTR TFC TERR STD  5 10 20 40 80 160 320 640 VOR 1 VOR 2 ADF 2 ADF 1 OFF APP VOR MAPPLN WXR STA WPT ARPT DATA POS OFF RST CTR TFC TERR STD 
OUTBD CAPT  CAPT INBD  ENGINE  F/OINBD  F/OOUTBD 

2  NORMAL ON 1 BOTH BOTH ON 2 ALL ON 2 ALL ON 1 AUTO SOURCE DISPLAYS CONTROL PANEL 
MINS RADIO BARO  FPV  MTRS  BARO IN HPA  MINS RADIO BARO  FPV  MTRS  BARO IN HPA 
5 10 20 40 80 160 320 640 VOR 1 VOR 2 ADF 2 ADF 1 OFF APP VOR MAPPLN WXR STA WPT ARPT DATA POS OFF RST CTR TFC TERR STD  5 10 20 40 80 160 320 640 VOR 1 VOR 2 ADF 2 ADF 1 OFF APP VOR MAPPLN WXR STA WPT ARPT DATA POS OFF RST CTR TFC TERR STD 
OUTBD CAPT  CAPT INBD  ENGINE  F/OINBD  F/OOUTBD 

1 CONTROL PANEL Select Switch BOTH ON 1
The left EFIS control panel controls both pilots’ outboard and inboard display units.
2 CONTROL PANEL Select Switch BOTH ON 2
The right EFIS control panel controls both pilots’ outboard and inboard display units.
Copyright . The Boeing Company. See title page for details.
April 28, 2000  10.21.7
Flight Instruments, Displays -PFD/ND System Description

Outboard Display Switching

MAIN PANEL DUs Switch to OUTBD PFD
If the MAIN PANEL DUs switch is turned to Outboard Primary Flight Display (OUTBD PFD), the PFD format is displayed on the outboard display unit and the inboard display unit blanks.
Copyright . The Boeing Company. See title page for details.
10.21.8  April 28, 2000

Flight Instruments, Displays -PFD/ND System Description

Inboard Display Switching

Copyright . The Boeing Company. See title page for details.
April 28, 2000  10.21.9
Flight Instruments, Displays -PFD/ND System Description 737 Flight Crew Operations Manual
　
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