737 MAX Flight Crew Operations Manual
Flight Management, Navigation -
Flight Management System
Description
MN-FLT-OH-201
11.30.3
Control Display Units (CDUs)
Two identical, independent CDUs provide the means for the flight crew to
communicate with the FMC. The crew may enter data into the FMC using either
CDU, although simultaneous entries should be avoided. The same FMC data and
computations are available on both CDUs; however, each pilot has control over
what is displayed on an individual CDU.
March 1, 2021