ing input over the data port. Note that when a waypoint
received on the data port has the same waypoint number
as a locked waypoint already stored in the CDU, the way-
point data received on the data port is disregarded and
lost. Waypoints are locked by one of three methods: 1)
selecting Lock this WPT when in the waypoint bank edit
mode for a particular waypoint; 2) selecting Lock this
WPT when in the waypoint bank edit mode; or 3) incor-
porating a waypoint into a route stored in RTE2 and then
locking the route.
Waypoints that are locked from the waypoint bank are
indicated by a closed padlock in the display. Waypoints
that are party to a locked route will display a message
indicating that waypoint can not be modified.
To Lock a Waypoint
Select the 1 WPT key until the WPT1 screen is dis-
played.
Move the cursor to the desired waypoint. 2
Press the 3 EDIT key.
Highlight the 4 Lock this WPT softkey then press
ENT.
Press the 5 EDIT key.
To Unlock a Waypoint
Select the 1 WPT key until the WPT1 screen is dis-
played.
Move the cursor to the desired waypoint. 2
Press the 3 EDIT key.
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