TM 1-1510-225-10
3B-56
Table 3B-9. CDU Annunciations and Scratchpad Messages (Continued)
ANNUNCIATION
/SP MESSAGE
INITIATING CONDITION
RESET
MECHANISM
LOCATION
BLINKING
NOT
CLEARABLE
CDU
MSG
ALERT
verify proc
In AUTO or FLYOVER
sequencing mode when
TTG is one minute before
sequencing into a
discontinuity or the TTG is
less than 1 minute when the
waypoint preceding a
discontinuity becomes the
TO waypoint.
Clear key or
delete the
discontinuity,
delete the
associated
waypoint, insert a
waypoint between
the discontinuity
and the
associated
waypoint, remove
the related SID,
STAR, or
Approach or
direct-to any
waypoint or the
discontinuity
becomes the
active waypoint.
A
N
X
VNAV IS ACTIVE
Attempt to toggle between
CLIMB and DESCNT when
a VNAV is active.
Clear key
SP
A
V/UHF BUSY
Attempt to request a V/UHF
sequence while another
sequence is in progress for
the same radio.
Clear key
SP
A
WPT MAX
EXCEEDED
Attempt to enter a SID or
STAR with more than 30
waypoints.
Clear key
SP
N
wpt passed
Active waypoint passed and
sequencing to the next
waypoint is inhibited.
Clear key, or
sequence
waypoint.
A
N
wrong key
Incorrect SA/AS key
received.
Clear key on entry
of correct key.
A
B
xtk alert
Aircraft cross track deviation
exceeds crew entered
specified threshold (with
3-second filter).
Clear key or
aircraft is
maneuvered to
bring the cross
track deviation
within the
threshold or the
deviation
threshold is
expanded.
A
B
XXXX:XX
UTC DISPLAY enabled on
the Start 1 page.
Disable UTC
DISPLAY on Start
1 page.
A
N
X
