TM 1-1510-225-10
3B-51
Table 3B-9. CDU Annunciations and Scratchpad Messages (Continued)
ANNUNCIATION
/SP MESSAGE
INITIATING CONDITION
RESET
MECHANISM
LOCATION
BLINKING
NOT
CLEARABLE
CDU
MSG
ALERT
intr active
An intercept is currently the
flight plan TO waypoint.
Deletion of
intercept point via
Direct-To.
A
N
X
INTR IS ACTIVE
Attempt to delete the
intercept from the flight plan
during execution (current
TO) or attempt to modify the
flight plan course when an
intercept is the TO waypoint.
Clear key
SP
A
INVALID
DELETION
Attempt to delete the
intercept or approach
attributes, history waypoint
(if only one exists),
intercept, or MFP
parameters when in the
flight plan or alternate flight
plan.
Clear key
SP
A
INVALID ENTRY
Attempt to insert scratchpad
data that does not pass
format or range tests,
attempt to select a function
when insufficient data has
been entered, or attempt to
select a non-waypoint entry
to call up the Data page.
Clear key or
selecting a line
key for which the
entry is allowed.
SP
A
INVALID
SINCGARS
Attempting to perform a
SINCGARS time operations
when a SINCGARS error
condition is present.
Clear key
SP
A
key alert
GPS SA/AS keys will expire
in 2 hours in the GPS
receiver.
Clear key or entry
of new keys
passing time test.
A
B
load fail
Failure passing data to/from
the data cartridge.
Clear key or
selecting another
data loader load
request.
A
N
LOAD IN
PROGRESS
Attempt to replace the active
flight plan while the alternate
flight plan is in the process
of being loaded.
Clear key
SP
N
locked
Password has been entered
locking the system.
Entry of correct
password or
zeroizing the
system.
A
N
X
MAX INTRS IN
FPLN
Attempt to insert more than
10 intercepts into flight plan.
Clear key
SP
A
MAX PTRNS IN
ALTN
Attempt to insert more than
20 patterns into the
alternate flight plan.
Clear key
SP
A
MAX PTRNS IN
FPLN
Attempt to insert more than
20 patterns into the flight
plan.
Clear key
SP
A