4.4.5.7 System Shutdown Procedure.
1.
ADJ/ON/OFF switch -OFF.
2.
Turn off ANVIS.
CCU ADJ/ON/OFF switch must be OFF before connecting or disconnecting quick-release connector.
Do not disconnect DU by pulling on the cable connected to the PSCU. The DU could be damaged or the cable may sepa-rate from the PSCU creating an explosive atmosphere hazard.
Do not attempt to egress the aircraft with-out performing disconnect as this may re-sult in neck injury.
Do not disconnect DU by pulling on the cable. To do so may damage the DU.
3.
Display unit -Disconnect. Disconnect DU by grasping the PSCU and rotating the quick-release connector engagement ring and pull downward. Remove OU and remove from the ANVIS and place into storage case.
4.
Reattach neck cord to ANVIS.
4.4.5.8 Emergency Egress. The quick-release feature allows you to exit quickly from the aircraft in an emer-gency without:
a.
Damaging or turning the unit off.
b.
Getting tangled in cords.
c.
Being restrained in the cockpit by hardwired connections.
d.
Removing ANVIS.
It is up to the operator to determine the desired mode of disconnect based upon his evaluation of the emergency condition and whether or not the ANVIS goggles will be needed following egress. The available means of discon-nect are as follows:
a.
Release the ANVIS goggles from the helmet.
b.
Disconnect the OU from the ANVIS goggles via the thumbscrew.
c.
Grasp PSCU and pull down.
4.5 MULTI FUNCTION DISPLAY (MFD).
Each MFD displays .ight and communications data, caution and advisory legends, and FLIR video indepen-dently of each other. Displays may be overlayed on each other, such as attitude information presented with FLIR video. Caution legends appear automatically as they are generated in a pop up window, or displayed in a caution advisory grid. Power for the MFDs is from the dc essential bus through circuit breakers marked PLT MFD and COPLT MFD respectively.
4.5.1 Controls and Functions. All controls for the MFD are on the bezel of the MFD (Figure 4-5). Marked keys on top and bottom keys are .xed function, while the unmarked keys function is dependent on the adjacent dis-play. Controls are as described below:
CONTROL/ FUNCTION
INDICATOR
COMM Toggles communications header on
or off.
NAV Toggles navigation header on or off. information
DAY switch NGT OFF Adjust brightness of display for either day or night operation, turns MFD off.
FLT Toggles digital .ight data on or off. On FLT data page, TAS/IAS soft key appears.
TAS IAS Toggles display between true airspeed and indicated airspeed.
ATT Toggles heading, pitch, roll, and course deviation information on or off.
HOV Toggles hover information on or off.
RANGE HELICOPTER
RINGS HEADING
SEQUENCED
LEG
WAYPOINT
SEGMENT
CURRENT LEG
TAS SELECTED
HELICOPTER SYMBOL
FLIGHT PLAN DISPLAY
ZERO DOPPLERDOPPLER GROUNDSPEED BOXGROUNDSPEED CUE WIND SPEED /HELICOPTER DIRECTIONHEADING INDICATOR
PILOT / COPILOT SELECTED COMM
ATTITUDE DISPLAY WITH FLIGHT DATA OVERLAY
AB0780A
SA
HOVER DISPLAY
CONTROL/ INDICATOR FUNCTION
Windspeed/ Direction indicator Gives windspeed and direction.
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