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based on one or more of the following selections:
1. Pressing the AUX pushbutton allows CSS data to
be displayed on an auxiliary display head (this
function is not available).
2. Pressing the REC pushbutton allows CSS data to
be recorded on a flight recorder, if one is installed
in the aircraft.
3. Pressing the TM pushbutton allows CSS data to
be telemetered or down-linked to a groundbased
station.
4. Pressing MC1 or MC2 allows CSS data to be
stored in mission computer No. 1 or mission computer
No. 2 memory, mspectively, and is only accessible
for future reference by the CSS function.
A maximtmr of 300 blocks of CSS data can be
stored in either mission wmputer. A block of data
is saved when a trap or block address function
completes, and one block per second is saved for
an active flyeateher. This data will only be retained
by the mission computers until the system cold
starts or is reset.
5. Pressing the DSS pushbutton allows CSS data to
be recorded by the data storage set.
The CSS OPER CODE page format (see Figure 38-
16) allows the optional selection of an operator code.
This code is used to identify the operator/a&rat? when
CSS data is analyzed offline. The code is entered by
pressing the corresponding numerics and then pressing
ENT.
38.4.1.2 Flycatcher Operation. Flycatcher mode
allows memory contents for a selected processor to be
continuously examined and displayed on the MFD CSS
format. The contents of 16 contiguous memoty locations
are displayed relative to a specified flycatcher
memory start address, updated at a l-second rate. A
previously specified start address may be incremented
or decrementedb y a fixed bias.E ach processors upports
only one flycatcher at a time.
Flycatcher is initiated or terminated as follows, using
the DEU (see Figure 38-17):
1. Select flycatcher by pressing FLY CATC on CSS
page of DEU.
2. Select processor to be examined by pressing one
of the WRA pushbuttons on F-CATC page.
3. Initiate flycatcher. Press STRT ADRS to allow
entry of startingm emory addressf or selectedprccessor;
enter start address in hexadecimal with numeric
pushbuttons.P ressE NT to completea ddress
entry and activate flycatcher.
4. For flycatcher termination, press DSBL to deactivate
current flycatcher.
5. Repeat steps 2 and 3 to initiate or terminate additional
flycatchers for other processors,
ORIGINAL 38-32
Figure 38-15. DEU CSS Page
(AT)l-FSOO-3&M
Figure 38-16. DEU Pages for Operator Code and Data Type
ORIGINAL
NAVAIR Q14=14AAD-1
DEPRESS FLY CATC
OPTlO,N KEY
I
L-
;
-
I
I
I
4
I
I
I
I
I
L-
- I
I
ORIGINAL
(AT)%FsnD-385-o
Figure 38-17. DEU Flycatcher Pages
38-34
NAVAIR 01.FI4AAD-1
, S”SSYSTEM
DATA ADDRESS
Figure 38-18. MFD CSS Display Format
An active flycatcher can be biased by a fixed number
of memory locations, relative to the current memory
address as follows, using the DEU (see Figure 38-17):
1. Select flycatcher by pressing FLY CATC on CSS
page of DEU.
2. Select INCR (to increment) or DECR (to decrement)
pushbutton. Enter bias value in hexadecimal
with numeric pushbuttons and press ENT to complete
entry.
3. Repeats tep 2 for subsequenet ntry of bias values
for selected processor.
Flycatcher data is displayed on thelefthrdf of the CSS
format anytime them is at least one active flycatcher as
follows, using the MFD (see Figure 38-18).
1. Select CSS format on any MFD by pressing
FAULT pushbutton on OBC basic format and then
pressing CSS pushbutton on h4AlNT CURRENT
FAILURES format.
2. Select STEP pushbutton to display 16-wordblock
of flycatcher data associated with next processor
that has active flycatcher.Note that flycatcher data
word field will display flycatcher last selected, if
any, when format is tirst displayed.
The messages shown in Figure 38-19 are displayed
on the RIO MFD computer messagea reai n responset o
an invalid flycatcher operation.
38.4.1.3 Block Address/Trap Operation. Block
address allows the memory contents of a selected processor
to be captured once upon its selection; trap allows
data to be captured once upon the satisfaction of a selected
algorithm. Data captured as a result of either
mode is displayed on the MFD CSS format. The contents
of 16 contiguous memory locations are displayed
relative to a specified memory start address.
Block address is initiated as follows, using the DEU
　
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