IHADSS Flashcards
The IHADSS consists of what two subsystems?
HMD + HMS
What sighting component does the AAIH interface with for LOS Calculation?
ISDU
What components make up the HMD subsystems?
HDU, DDU, and ISDU
Which component creates the symbology viewed by the crewmember?
MP
Where is the improved helmet display unit (HDU) stowed?
HDU storage is on the right console
What does the HDU cable assembly connect to?
DDU
How should the HDU cable assembly NOT be routed?
Should not be routed under the crewmember’s right arm
What is the purpose of the combiner lens sliding clip?
The sliding clip allows the crewmember to position the combiner lens directly in front of their eye
Where is the GRAYSCALE option/selection found?
WPN Page
How many shades of gray are displayed when the gray scale has been optimized correctly?
10
Which two adjustments are made on the IHDU itself?
Focusing and Leveling
What are the two most important things to remember when performing the infinity focus check?
- Do not focus the eye on the center roster lines, but rather on an object at least 200 feet away.
- Focus the center roster lines to what your relaxed eye perceives as focused.
Why is it important to perform the infinity focus check correctly?
Improper focus may lead to eye strain, headache, and/or reduced performance
What is the aircraft Armament Datum Line (ADL)?
The Armament Datum Line is the imaginary 0’ axis as with 0’ elevation line that runs parallel to the longitudinal axis of the aircraft
What system can be bore sighted from the PLT WPN Boresight page?
IHADSS
What system can be boresighted from the CPG’s WPN Boresight page?
IHADSS + TADS
Crewmembers boresight their IHADSS to the _______
ADL (Armament Datum Line)
What are the three selectable symbology modes available in both crewstations?
Hover, Transition, and Cruise
What does the Field of Regard box represent?
It represents the total gimbal limits for the sensor/sight selected in that crewstation
The velocity vector saturates (fully extends) in Transition Mode symbology at what ground speed?
60 KTS (Ground Speed)
What are the HAD message areas?
Site Status,
Site Select Status,
Range and Range Source,
Weapon Control,
Acquisition Select Status,
Weapon Status
HMD Format Owner Cue,
Weapon Inhibit,
What does the “L” following the selected Sight message indicate?
The crewmember has the FCR, TADS, or UAV operating in a linked mode. EX: TADSL, FCRL, UAVL
