(pm halo) helmet assembly - Gentex Corporation

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3. To use the ear-to-ear cablewith the down lead cable withswitch and the 32" maskmicrophone cable:Microphonea. Referring to Figure 34,stow the microphoneinside the helmet.b. Don the helmet, adjustthe nape strap, andfasten and adjust thechin strap as describedon Pages 7 and 8.c. Referring to Figure 35,connect one end of the32" mask microphonecable to the receptacleon the down lead cableconnector.d. Referring to Figure 35,set the down lead cableswitch to MASK.e. Attach the mask byinserting the maskbayonets into thebayonet receivers to thefourth locking position.Lower the visor to checkthe interface betweenthe visor and the mask.f. Referring to Figure 35,connect the other end ofthe mask microphonecable to the maskmicrophone.g. Connect the down leadcable to yourcommunications device.NOTE: This down leadcable (06D12449-2) hasa 4-pin plug. Use thiscable with single radioPTT adapters. Refer tothe cable adapter list atthe end of this bookletfor more information.Figure 34. Microphone StowedInside HelmetMaskmicrophoneMaskmicrophonecableReceptacle ondown lead cableconnectorTo communications deviceFigure 35. Connecting Cordto Mask MicrophoneVIEW OFSWITCH20
INSPECTIONSPreflight, postflight, and periodic inspections are required to ensure that thehelmet is in proper operating condition. The user shall perform preflightinspections. The maintenance technician shall perform postflight inspections(see technical manual TP0347). The user is responsible for ensuring that themaintenance technician has performed periodic inspections.Preflight InspectionPrior to each flight, the user shall inspect the helmet to determine that it is inserviceable condition and report any deficiencies to the maintenance technician.Do the following:1. Ensure that the helmet, earcups and oxygen mask are properly fitted.2. Check the helmet shell for evidence of damage such as cracks, warping, orchipped paint.NOTE: A hairline crack is defined as a fine crack which has broken the paintsurface, but has not necessarily broken through the layers of the helmetmaterial. Any crack that has penetrated through the helmet material willaffect the integrity of the helmet and therefore the helmet should becondemned and disposed of.3. Ensure that the chin strap and nape strap are properly adjusted and thatthe screws are securely attached to the helmet shell.4. Ensure that the visors and goggles are free from cracks, scratches, dust,and smears. Minor scratches not interfering with the critical vision area arepermissible.5. Ensure that all communications components are securely attached andthat the headset/microphones operate properly. This check may beperformed by plugging the microphone cable and plug assembly intoMQ-1/MQ-1A tester, DMH-1, or service-approved tester. Speak into themicrophone. The microphone and earphones are operating properly whenthe voice is transmitted from the microphone through the amplifier and isheard in the headset.6. Check the energy absorbing liner and the suspension system (fittingpads, XLINER, or TPL) for looseness, improper fit, holes, cracks, or tornfabric.7. Check the general condition of all attaching hardware and components.8. Inspect the oxygen mask and associated components for general conditionas required by the applicable technical order.21
Page 1: Operation InstructionsPARAMASTERHIG
Page 4 and 5: SAFETY NOTICEWARNINGProper fitting,
Page 6 and 7: Basic HelmetAll basic helmets (Figu
Page 8 and 9: Optional ComponentsThe following op
Page 10 and 11: • Snap-on visors(Figure 9). Snap-
Page 12 and 13: 2. Adjust the nape strap (Figure 13
Page 14 and 15: Attaching Step-in Visor1. Don the h
Page 16 and 17: Operating Communications SystemDepe
Page 18 and 19: Using 9" Mask Microphone Cable with
Page 20 and 21: Using 32" Mask Microphone Cable and
Page 22 and 23: Using Ear-To-Ear CableYou can use t
Page 26 and 27: Periodic InspectionOperating person
Page 28 and 29: 8. Inspect the bayonet receivers as
Page 30 and 31: PARTS LISTSFollowing are the parts
Page 32 and 33: Optional ComponentsMicrophones (Fig
Page 34 and 35: Snap-on Visors(Figure 44)• MBU-12
Page 36 and 37: Single Radio Adapters (Figure 48)fo
Page 38 and 39: Specialty Adapters (Figure 51)05B12
Page 40: TP0257 REV. 4 FEBRUARY 2012

(pm halo) helmet assembly - Gentex Corporation

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