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49 Cards in this Set

  • Front
  • Back
What are the Functions of the DCU?
1(SC) SYSTEM CONTROLLER
2(DF) DATA FLOW PROSESSOR
3 (DASD)
4(power) section
What is the function of the AU
Takes the ascle reciever inputs and filters,
beam-forming,
signal detection,
gram thresholding
bearing computation
What system may induce signals in to the Bouy rf spectrum?
ALR-95 SEI
ASCL Plus uses what antenna to interface with its recievers?
Starboard
What antenna does the ATSG use?
The deselected UHF 2
what does a lack of acoustic audioo and ICS recieve capabuilityes while retaining ics transmit indicates that what?
a 1/4 amp ADB FUSE HAS BLOWN
with the AIC-41 system what function of your acoustic audio pannel will you not have?
ICS disconnect function..... you can still select ICS DISC on the Crew Station Controller.
An AQH-4 standard tape real will last how long recording?
2 hours
how long will the AQH-13 record for?
14.5 hours
ON a CMEP what Does a FLASHING LIGHT MEAN ON THE OVER TEMP INDICATOR?
replace MODULE A-10
when does the AU cut off if not but in battle short?
225F
when does the DCU CUT off?
200F
What is your tacco monitoring RCVR?
ASCL 2, RCVR 19
Which RCVR is utilized for NOISY RF?
ASCL 1 RCVR 19
When does a caution EOT illuminate on the AQH-4?
100ft of tape left, about 10 mins in slow
which track on the AQH-4 records ICS?
TRACK 1
TCG is recorded on which track?
TRACK 27
if battel short is to be used during thermal warning at 180F it has to be used with in what amount of time?
2 mins
Acoustic Aural monitoring is done on what reciver subassemblies in the ASCL?
ASCL 1 RCVR 17&18
ASCL 2 RCVR 17&18
A Normal ASCL can have up to 4 digital channnels for 8 in all to process digital bouys how many can a ascl plus do?
16 digital all at once.
tacco aural monitoring is done with what RCVR?
ASCL 2 RCVR 19
What is used to synchronize audio signals from the SASP AU to the AQH-4 recorder?
The Acoustic Distribution Box (ADB) via Synchronization tones called (SONIC GATES)
what is the Nomenclature for the Sono Audio Selector?
A-524
What are the three BITE LIGHTS for on the Front of the ATSG?
1. RF GEN - RF Generator Failure.
2. BASE Band - Base bank generator Section
3. POWER Supply - failure in the Power supply
What are the 4 Outputs from the ATSG?
RCVR1, RCVR2, ACPA, EXT
What Track is the Time Code Generator on the AQH-4?
Track 27
Whats the Difference in The DCU and AU control panel?
Nothing other than the monitor function knob on the left hand knob S1 has more selectable functions.
What does an over temp indication at the Acoustic station between the two CMEP's indicate to the operator?
Steady - means a CMEP temperature is excessive.
Flashing - Means the A10 blower in not operating at correct speeds.
What is two things is the DCU MADE up of?
System controller and display generator.
What does the AU produce?
High speed signal processor that Filters, Beamforming, Signal detection, Gram thresholding, and Bearing computation
Where is the PPU located?
in the AU
what is the Display generator consist of inside the DCU?
Display formatter (DF)
Bulk Storage Memory
Display channels subunit
What is the PPU used for?
Is a software module that provides acoustic signal processing. The AU sends the PPU signals of intrest and further processes them to detect signals of intrest, its all done with the HELP of the AOP.
what is the AOP?
Airborne Operational Program - software program loaded in to the System controller.
The upgrade to the 78A was Done for what reason?
To provide (EER) Extended Echo Ranging, It also incorperates the CHRDS and PEPs for color display.
What module inside the DCU was upgraded to Support EER functions?
The DF, its no longer the Display formatter like in the old system. the DF in the 78A is the Data FLOW processor now, utilized for EER processing.
What function was ADDED to the Sono Audio Selector pannel? its the new A-602 and upgrade from the A-524
The DF function was added - permiting the operator to select EER processed DATA from the data flow processor.
what system first incorperated IEER?
Improved Extended Echo Ranging was with the 78B,
CP-2590
78B DCU is comprised of what?
(ASU) Analyzer Subunit
(SC) System Controller
Two DASD's
What does DASD stand for?
Direct Access Storage Device
The ASU does what?
Processes sono signals from ASCL's
when the SC is reset what type of system restart is this considered?
HOT restart.
What does ARTR stand for?
Acoustic Reciever Tech Refresh
(QEP) Quadra- Phase External Preamplifier.
located in the doppler well - it amplifies the signals from the #1 SDSR antenna.
(SDSR) Software Defined Sonobouy Reciever
connects to the DCU via a 1000 base T ethernet port. capable of tunning 39 acoustic channels at one time,
What Freq range is used to control Sono Bouys from the a/c via the CASS transmitter or the CFT?
UHF FREQ
what is the radio freq used to receives sono buoys signals?
VHF Signals
TSG is like what piece of equipment?
ATSG
SDSR provides what to the P-3?
ASCL Reciever function