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Gentex CVC M9, Operation And Maintenance Manual, Page: 3 / 15

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INTRODUCTION

The CVC-M9 helmet assembly affords impact protection, superior retention, a close fit, optimum 
comfort, sound attenuation, and active noise reduction (ANR). This manual provides a description of the 
helmet and instructions for fitting, wearing, and cleaning.

Ballistic Helmet Shell

Helmet Bag

4

Chinstraps

Inner Helmet

Lower Cord

Sound-Attenuating 

Earcups

Clothing Clip

Summary of Contents for CVC M9

Page 1: ...This product is covered by one or more patents For more information visit www gentexcorp com patents OPS CORE 2017 TP0406 REV A CVC M9 OPERATION AND MAINTENANCE MANUAL ...

Page 2: ...4 5 6 8 9 11 12 13 14 15 Introduction Helmet Features Helmet Fitting Headset Operation Maintenance Headset Troubleshooting Operator Notes Warning Warranty TABLE OF CONTENTS ...

Page 3: ...a close fit optimum comfort sound attenuation and active noise reduction ANR This manual provides a description of the helmet and instructions for fitting wearing and cleaning Ballistic Helmet Shell Helmet Bag 4 Chinstraps Inner Helmet Lower Cord Sound Attenuating Earcups Clothing Clip ...

Page 4: ...ent of the inner helmet to the snap on the rear of the helmet shell and prevents forward rotation of the helmet Nape strap with hook and pile closure This affords a snug fit in the nape area Chinstrap Attached to the inner helmet via snap fasteners the chinstrap is constructed of woven Nomex webbing with an adjustment buckle A Nomex covered chinpad enhances comfort Sound Attenuating Earcups The co...

Page 5: ...ting must be performed by a qualified maintenance technician NOTE This helmet is fitted with the ballistic shell removed REMOVE BALLISTIC SHELL Unfasten the front and rear snaps to remove the ballistic shell from the inner helmet 1 DON THE INNER HELMET Have the crewmember don the inner helmet 2 Front Hanger Tab Front Snap Rear Hanger Tab Rear Snap ...

Page 6: ...chinstrap and have the crewmember remove the inner helmet NOTE The inner helmet is designed to fit most heads However if the brow pad is too loose it may be tucked and sewn on both sides Please refer to the technical manual for more information 6 ADJUST THE WIDTH HEIGHT Adjust the top width height adjustment strap so that the crown of the liner is snug and the earcups are properly aligned with the...

Page 7: ...s not pulled away from the crewmember s nape readjust the nape strap and or the rear hanger tab as necessary to ensure that the helmet fits snugly and is stable on the head B Attach the front hanger tabs on the ballistic shell to the inner helmet by fastening the snaps on both sides C Attach the rear hanger tab on the inner helmet to the rear of the ballistic shell by fastening the rear snap DON T...

Page 8: ...lmet and place the microphone directly in front of the mouth 1 4 from the lips NOTE The microphone must be close to your lips for effective communication Passive noise reduction is provided by the earcups and ear cushions and the seal between the ear cushions and the head 1 4 from lips CONTINUED ...

Page 9: ...ommunication separately through the intercom and to the radio The PTT switch operates as follows Switch Position Operation Rear latching position Boom microphone and PTT Intercom line connected to intercom Center position Boom microphone and both PTT lines disconnected Forward momentary position Boom microphone and PTT Radio line connected to intercom PTT ON Latched PTT OFF PTT ON Momentary ...

Page 10: ...that generates counterwaves to external noise Active noise reduction is enabled by an ANR switch in the Right earcup The ANR switch operates as follows Switch Position Operation Rear position ANR enabled Center position ANR disabled Forward position Talk thru enabled TALK THRU ON ANR OFF ANR ON ...

Page 11: ...enance procedures CLEANING Once the helmet is disassembled components can be cleaned The table below lists the cleaning process for each component Component Cleaning Procedure Ballistic Shell Use clean cloth dampened with mild soap solution Inner helmet with Chinstrap Nape Strap and Foam Pads instlled 1 Turn the liner inside out and tuck the chinstrap into the inner helmet Place the inner helmet i...

Page 12: ...HEADSET TROUBLESHOOTING 13 FOR HEADSET TROUBLESHOOTING PLEASE REFER TO TECHNICAL MANUAL TP 0407 ...

Page 13: ...OPERATOR NOTES 14 ...

Page 14: ...der normal use and service for a period one 1 year from the date of delivery All repair covered by this warranty shall be performed at Gentex s factory or other such warranty repair facilities of Gentex as designated by Gentex unless Gentex specifically directs that repair services be performed at another location Any defect corrected and found to be within this scope of the warranty will be repai...

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