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23 Cards in this Set
- Front
- Back
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What do the HEUs do? |
Convert the analogue into digital for both audio and control signals and vice versa |
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What does the DAMU do? |
digitally mixes audio signals from the SCIUs and HEUs and passes it to the HEUs to be heard in the headsets. located in NAB |
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where is the telebriefing connection located? |
under right rear sponson |
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What does the EIRA do? |
enables internal and external communications for aircrew when the DAMU is lost and also ensure alarm distribution |
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Where are the PTT buttons located? |
Cyclic grip footswitches rescue hoist mcu cargo hook mcu |
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What does the Call button do? |
Overrides all transmissions. takes priority |
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What is Rev mode? |
analogue emergency system to support the main ICS functions in the event of a digital failure |
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What can you use in Rev mode? |
Pilots and winchmen intercoms V/UHF 1 transmit facility for pilot HF transmit facility for Co pilot A/C audio alerts and warnings V/UHF 1 and HF receive facility for both pilots. |
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What does the V/UHF transceiver do? |
enables two way comms for voice and data in the V/UHF band |
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What does the RCU for? |
to control the V/UHF 1 radio in emergencies or when the A/C is in battery standby management mode |
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What does the LCU do? |
ensures the relevant frequency tuning of the antenna |
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What do the Filler Units do? |
attenuates the radio frequency signal received when any other radio is transmitting |
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What does the V/UHF 1 Satcom antenna allow? |
enables comms with satellites whatever their position. It is located on the top left side of the Tail boom |
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What does the RT5000 do? |
provides normal encrypted two way voice and data comms. the transceiver provides air to air and air to ground comms. |
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What are the components in the RT5000 system? |
Transceiver CP LCU Antenna Fill Gun |
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Where is the RT5000 antenna? |
bottom of tailboom under TR |
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Can you control the RT5000 from the DKUs? |
No. Because the RT5000 is a stand alone radio. CP is located on bottom left centre console |
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What does the HF9000 do? |
provides long distance comms in clear or secure mode |
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What are the components for the HF9000 system? |
Transceiver C coupler Antenna KY100. enables the encryption of clear audio frequency signals from the ICS |
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where is the HF antenna located? |
left side tailboom |
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What does the IFF do? |
Allows A/C to be identified by ATC |
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What are the components for IFF? |
Transponder. It recrives the interrogations from ATC and generates and transmits the replies 2 Antennas Backup CP |
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Where are the IFF antennas located? |
1 just aft of V/UHF 1 antenna and 1 bottom RH side of fuselage |
