737 MAX Flight Crew Operations Manual
Flight Instruments, Displays
Chapter 10
MAX Display System - System Description
Section 20
MN-FLT-OH-201
10.20.1
20 MAX Display System - System Description
MAX Display System - System Description
File Highlight
Introduction
The flight deck has four identical flat panel liquid crystal displays (LCD). The
display unit positions are referred to as the Outboard DU’s and Inboard DU’s. An
Outboard and Inboard DU is located on both the Captain's and First Officer's
forward panel. The 28 VDC standby bus provides input power to the Left
Captain's Outboard and Inboard DU’s. The 28 VDC BUS 2 powers the Right First
Officer’s Inboard and Outboard DUs.
The DUs provide the flight crew with one Engine display, one Multi-function
Display (MFD), and 2 Primary Flight Displays (PFDs), Navigation Displays
(NDs), and Auxiliary Displays (AUX) formats.
Each DU is split into two regions to show two formats.
The Outboard DU’s can show:
• PFD and AUX
• PFD and Engine Display
• PFD and MFD
• PFD and ND
The Inboard DU’s can show:
• PFD and Engine Display
• PFD and MFD
• PFD and ND
• Engine Display and ND
• ND and MFD
The Inboard DUs can also show a single format occupying the entire display for
certain formats like the ND.
Display Brightness Control
Adjustment of the brightness of each DU is controlled by a combination of light
sensors and brightness controls. Two remote light sensors, located left and right
on the top of the glareshield, compensate for the amount of ambient light entering
through the flight deck windows and adjust the brightness of the related DUs.
Each DU also has an integral light sensor which provides automatic control of
brightness as a function of ambient light striking the face of the DU. Brightness
controls are used by the pilot to further adjust the intensity of each display unit.
March 1, 2021
