737 MAX Flight Crew Operations Manual
Flight Management, Navigation -
ATC Data Link
11.34.48
MN-FLT-OH-201
4
Max Uplink Delay (MAX U/L DELAY)
Allows the entry of 1 to 999 seconds as directed by ATC for use by the FMC to
determine if the uplink is delayed more than the entered time.
5
ATC COMM
Display is blank when no ATC connection exists.
Displays SELECT OFF when ATC connection exists.
Push – terminates active ATC data link connection
6
ATC INDEX
Push – displays ATC INDEX page.
7
FANS SELECT ON/OFF
Selection of the 1R line select key when SELECT ON> is displayed puts the logon
in FANS Mode (i.e. use FANS for logon).
Selection of the 1R line select key when SELECT OFF> is displayed shall put the
logon in ATN Mode (i.e. use FANS for logon).
8
ORIGIN
Entry of an Origin can be from manual entry or propagated from the Route page.
The newly entered Origin on the Route page will be propagated to this page and
overwrite the current data on this field.
An Origin manually entered into this field will not be propagated to the Origin
field on the route page.
9
DESTINATION
Entry of an Destination can be from manual entry or propagated from the Route
page.
The newly entered Destination on the Route page will be propagated to this page
and overwrite the current data on this field.
A Destination manually entered into this field will not be propagated to the
Destination field on the route page.
If no Destination has been entered on the route page, then four box prompts will
be displayed.
10
Active Center (ACT CTR)
Displays four to eight character identifier of active ATC center.
March 1, 2021