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ATN PVS-14 Manual - Night Vision Home

1. moO E btication Index 5 SUBJECT INDEX Continued Para M MaghifiCatiOH 1 12 Maintenance Cleaning th MNVWVD rennen trei 3 2 Forms and procedures 2 Headmount L3 3 Neck Gorda tacere tere ERE eve ic 3 4 Mechanical data 11 12 Mechanical functions 273 Monocular 0 0 00 Neck COTA 2 2 3 4 Nomenclature 2 0 4 4 5 Objective lens FOCUS usate a eret 1 12 2 1 1 14 Location 01 Operating 11 12 Operator adjustment limits Operator controls and indicators 2 2 1 Optical Cem 1 14 Index 6 SUBJECT INDEX Continued Para P 2 2 SOU ICG ii 1 12 SWITCH UEM Preparation for storage 2 26 Purpose of equipment AI R Rainy CONGITIONS ccccccccescesseesecseeseceseeeecsesaeesaseaeeseecaeenssea 2 28 5
2. 1 7 R ferences 1 Resolution check using the TS 4348 UV Test Set 2 3 5 Sacrificial Window ii eth eite InstallatiOn 2 9 Salt water areas Sandy conditions Scintillation 11 9 SCOPE 0912 4 Shipping and storage Shutdown see Preparation for storage Storage temperature 1 12 Index 7 SUBJECT INDEX Continued Para T Temperature limits 1 12 Test Set 5 4348 tete tite nean L2 3 Troubleshooting erret i eee 3 1 3X Magnifier Ja EM oT RENE E OPS AIO Mx LEE U V Unpacking EE 2 5 Vertical 2 19 MAICIIM m 1 12 1 15 2 1 9 Warranty Information 76 Weapon mount 1 11 InstallatiQri 2 2 15 Weapon Mounted ODS r Aie P 2 21 Weight Monocula erit 1 12 Shipping and storage 1 12 Index 8 By Order of the Secretary of the Army ERIC K SHINSEKI General United St
3. 11 5855 306 10 MARINE CORPS 10271A 10 1A OPERATOR S MANUAL Equipment Description PMCS Table A S MONOCULAR Image Intensifier NIGHT VISION Inspection Criteria DEVICE MNVD Page 2 28 AN PVS 14 Operation NSN 5855 01 432 0524 EIC N A DISTRIBUTION STATEMENT C Distribution authorized to U S Government agencies and their contractors This publication is required for administration and operational purposes as determined 16 August 1991 Other requests for this document shall be referred to either Commander U S Army Communications Electronics Command and Fort Monmouth ATTN AMSEL LC LEO E ED P Fort Monmouth NJ 07703 5000 or Commandant of the Marine Corps ARD Washington 20380 0001 DESTRUCTION NOTICE For unclassified limited documents destroy by any method that will prevent disclosure of contents or reconstruction of the document DEPARTMENT OF THE ARMY AND HEADQUARTERS MARINE CORPS 1 June 2000 PON 18410271000 WARNING Do not carry batteries in pockets containing metal objects such as coins keys etc Metal objects can cause the batteries to short circuit and become very hot WARNING Toxic Material The image intensifier s phosphor screen contains toxic materials If an image intensifier breaks be extremely careful to avoid inhaling the phosphor screen material Do not allow the material to come in contact with the mouth or open wounds on the skin
4. 2 3 4 5 6 NATIONAL USABLE ILLUS STOCK DESCRIPTION CAGEC ON QTY NUMBER NUMBER AND PART NUMBER CODE U M RGR 1 MONOCULAR ASSEMBLY EA 1 80063 A3256340 2 5855 01 246 8271 WINDOW SACRIFICIAL EA 1 80063 A3144264 3 5855 01 444 1230 LENS INFRARED EA 1 RECEIVER 80063 A3256353 4 5855 01 379 1410 FILTER INFRARED LIGHT EA 1 54490 5009737 5 5855 01 246 8266 HEADSET ASSEMBLY EA 1 80063 A3144268 2 9 Table 1 Components of End Item List Continued 1 2 3 4 5 6 NATIONAL USABLE ILLUS STOCK DESCRIPTION CAGEC ON QTY NUMBER NUMBER AND PART NUMBER CODE UM RQR 6 5855 01 297 7847 BROWPAD ASSY THICK EA 1 80063 A3144436 7 5855 01 355 8600 BROWPAD ASSY MEDIUM EA 1 80063 A3144435 8 5855 01 355 8599 BROWPAD ASSY THIN EA 1 80063 A3144280 9 5965 01 444 1216 ADAPTER HEADSET EA 1 80063 A3256347 10 5340 01 446 8588 BRACKET MOUNTING EA 1 80063 A3256348 8 9 Table 1 Components of End List Continued 1 2 3 4 5 6 NATIONAL USABLE ILLUS STOCK DESCRIPTION CAGEC ON QTY NUMBER NUMBER AND PART NUMBER CODE U M RQR 11 5855 01 457 2953 MOUNT VIEWER EA 1 80063 A3256368 or 11 5855 01 441 0401 MOUNT VIEWER EA 1 80063 A3260927 12 5855 01 381 6052 COMPASS ASSEMBLY EA 1 80063 A3187430 13 6650 01 444 1229 EYEGUARD OPTICAL EA 1 INSTRUMENT 80
5. If the phosphor screen material contacts your skin wash it off immediately with soap and water If you inhale swallow any phosphor screen material drink a lot of water induce vomiting and seek medical attention as soon as possible WARNING The IR source is a light that is invisible to the unaided eye for use during conditions of extreme darkness However the light from the IR source can be detected by the enemy using night vision devices WARNING The monocular will not be turned off automatically when flipped up The monocular must be turned off by the power switch WARNING EQUIPMENT LIMITATIONS To avoid personal injury and property damage when using the MNVD carefully read and understand the following safety precautions e MNVD requires some ambient moonlight starlight or artificial light etc to operate The level of performance depends on the level of light Night light is reduced by passing cloud cover while operating under trees in building shadows etc e MNVD is less effective viewing into shadows and other darkened areas e MNVD is less effective through rain fog sleet snow smoke and other reflective material e MNVD will not see through dense smoke WARNING The compass illuminator can be seen by others using night vision devices WARNING Do not use contaminated eyecup or eyeguard They must be replaced WARNING When installing th
6. 0 946 di iR DU CE camels 3 785 OUNCES oed see eene ed Grams eub ERES 28 349 Pounds eo E ED Kilograms 0 454 Short Metric 0 907 Newton Meters 1 356 Pounds Square Inch Kilopascals 6 895 Miles per Gallon Kilometers per Liter 0 425 Miles per Hour Kilometers per Hour 1 609 TO CHANGE TO MULTIPLY BY Centimeters Inches 0 394 Meters 06 it 3 280 y eer LP ER 1 094 Kilometers 0 621 Square Centimeters Square Inches 0 155 Square Square Feet 10 764 Square Square Yards 1 196 Square Kilometers Square Miles 0 386 Square Hectometers ciate se dle RIA ALIA 2 471 Cubic Meters Cubic 35 315 Cubic Meters Cubic 1 308 Milliliters Fluid Ounces 0 034 Liters son diie am dus nae 2 113 Liters Qua
7. MICROCHANNEL FIBER OPTIC PHOTOCATHODE PLATE INVERTER POWER PHOSPHOR SUPPLY EYE SCREEN IMAGE OBJECTIVE EYEPIECE LENS INTENSIFIER LENS Figure 1 4 Optical Function Diagram 1 15 ELECTRONIC CIRCUIT FUNCTION The electronic circuit regulates the direct current voltage from the batteries to the image intensifier and IR source as required It also monitors the output voltage of the batteries and turns on a low battery indicator when the available battery voltage is 1 9 2 1 1 20 a Power Source The electronic circuit is powered by two batteries b High Light Cut Off The monocular will automatically cut off after 70 30 seconds of operation in daylight or bright room light Individual bright lights headlights flashlights or other concentrated light sources will not actuate the high light detector located on the front of the monocular To turn the monocular back ON turn the power switch to RESET OFF position and then to ON again 1 21 22 blank 2 OPERATING INSTRUCTIONS Section Description and Use of Operator s Controls and Indicators NOTE The MNVD is precision electro optical instrument so handle it carefully If the equipment fails to operate refer to the Troubleshooting Procedures in 2 1 OPERATOR CONTROLS AND INDICATORS The MNVD is designed to adjust for different users and corrects for most differences in eyesight The controls and indicators for
8. WARNING Conditions practices or procedures that must be observed to avoid personal injury or loss of life 1 8 Section Il Equipment Description 1 10 EQUIPMENT CHARACTERISTICS CAPABILITIES AND FEATURES WARNING EQUIPMENT LIMITATIONS To avoid personal injury and property damage when using the MNVD carefully read and understand the following safety precautions e The MNVD requires some ambient moonlight starlight or artificial light etc to operate The level of performance depends on the level of light Night light is reduced by passing cloud cover while operating under trees in building shadows etc e The MNVD is less effective viewing into shadows and other darkened areas e MNVD is less effective through rain fog sleet snow smoke and other reflective material e MNVD will not see through dense smoke 1 9 CAUTION e MNVD is a precision optical instrument and must be handled carefully at all times to prevent damage e Be careful when leaving the helmet mount in the flipped up position or removing the helmet mount from the helmet damage can result The MNVD is a hand held headmounted helmet mounted or weapon mounted night vision system that enables walking weapon firing short range surveillance map reading vehicle maintenance and administering first aid in both moonlight and starlight Each unit allows for vertical adjustment by using head strap for
9. NOTE Weight of the monocular does not include accessories Table 1 5 Optical Data ITEM DATA Magnification 1 0X 3X with 3X magnifier Field of View 40 13 with 3X magnifier Diopter Focus 2 to 6 diopters Objective Focus 25cm 9 8 to infinity Table 1 6 Environmental Data ITEM DATA Monocular Operating Temperature 51 C to 49 C Monocular Storage Temperature 51 C to 85 C Illumination Required Overcast starlight to moonlight Section Principles of Operation 1 13 MECHANICAL FUNCTIONS The mechanical functions of the MNVD allow for differences in the physical features of individual operators and provide for operating the system These functions include the power switch eye relief adjustment diopter adjustment gain control and objective focus The mechanical controls are identified in DIOPTER ADJUSTMENT LATCH WY IR jx EYE RELIEF LENS S ADJUSTMENT OBJECTIV POWER FOCUS SWITCH HIGH LIGHT GAIN CUT OFF f CONTROL WINDOW VJ 1 14 OPTICAL FUNCTIONS The optical functions include an objective lens image intensifier and eyepiece lens The objective lens collects light reflected from the night scene by the moon stars or night sky inverts the image and focuses that image on the image intensifier The image intensifier converts the captured light into a visible image and reinverts the image which can then be viewed through the eyepiece lens
10. 2 16 Operation 2 23 Components of End Item List B 1 Corrosion prevention and control 13 Cross reference list nomenclature 1 STE M 1 12 etl Environmental Equipment Mechanical LAIA Opica d 1 14 Demist Shield Description ees Installation 12 8 Destruction of materiel Index 2 SUBJECT INDEX Continued Diopter Adjustment irte EGGS METTE Electrical GUNS Mb Function Equipment Characteristics capabilities and features 1 10 2 Improvement recommendations Expendable and Durable Items 5 D 1 Eye Relief cie 12 0 installation Eyeguard 2 7 Eyepiece lens FOCUS te Operation A Index 3 SUBJECT INDEX Continued Para F M 1 10 Field of view 22 nnne 1 72 Filter see LIF Fixed pattern 1 9 2 41 Flashing s oM EET
11. 2 turn 6 Before Eyecup Inspect for dirt dust cracked or Chips and After torn eyecup Inspect for bent cracks are broken or improperly fitting eyepiece lens If necessary clean with water permitted on the eyecup retain ing rings as long as they do not interfere with in stallation of eyecup vc Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If 7 Before Eyeguard Inspect for dirt dust cracked or torn Chips and After eyeguard Inspect for bent broken or cracks are improperly fitting eyeguard If permitted on the necessary clean with water eyeguard retain ing rings as long as they do not interfere with in stallation of eyeguard 8 Before Objective Lens Rotate focus ring to ensure free Focus ring is After movement range is approximately binding or not 1 3 turn Check objective lens for able to move chips cracks and dents 91 Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If 8 Before Objective Lens Chips cracks or Cont After Cont dents prevent full field of view installation of LIF or the ability to focus Check the infinity focus locking ring Cracked or for tightness Check for cracks loose 9
12. Focus Eyepiece see Eyepiece lens Objective see Objective lens General information GOSS ANY ERNEUT 1 9 M 2 1 2 21 2 25 LET Hand held operation 2 8088 2 18 Headmount Helmet mount adapter installation Head Mount Installation Maintenance Operation Helmet Mount Installation and adjustment Installation with protective mask Operation High Light Cut Off Index 4 SUBJECT INDEX Continued Para High Light continued eee itu ql 1 15 Honeycomb see Fixed pattern noise Humid conditions esses 2 28 I J Illumination 4 Image intensifier operation 41 14 Infinity FOCUS 1 9 Inspection Criteria for proper image intensifier operation 2 4 Preventive 22 Intermittent operation 2 4 IR source operations L Laser threat environments 2 nenene 2 31 2 1 neda s 2 1 LIF Description ciencia en c e d Hu LT 9 T T1 IiStallatiOn eret snes tue tele snot eiit 2 10 Lithium battery see Battery Location and description of major components Low battery indicator Description 1 10 1 18 2 1
13. assessment of the laser threat in the theater of operations Use of this filter will result in a slight reduction in system gain Install the LIF as described in paragraph 2 10 2 72 3 MAINTENANCE INSTRUCTIONS Section Lubrication Instructions No lubrication is required Section Il Troubleshooting Procedures 3 1 TROUBLESHOOTING Table 3 1 1515 common malfunctions that you may find with your equipment Perform the tests inspections and corrective actions in the order they appear in the table This table cannot list all the malfunctions that may occur all the tests and inspections needed to find the fault or all the corrective actions needed to correct the fault If the equipment malfunction is not listed or actions listed do not correct the fault notify your maintainer 3 1 Table 3 1 Operator s Troubleshooting MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 1 Monocular fails to activate 2 IR source fails to activate 3 IR source indicator fails to activate 4 Poor image quality Visual Check for defective missing or improperly installed batteries In a dark location with system turned on activate IR source Visually check IR source operation scene should brighten Visual Check objective lens or eyepiece lens focus Check for fogging or dirt on objective lens or eyepiece lens Turn power switch to RESET OFF position and the
14. paragraph 2 7 2 38 2 9 INSTALLATION OF SACRIFICIAL WINDOW Perform the following procedure to install the sacrificial window Refer td Figure 2 8 CAUTION If adverse operating conditions dust or sand are expected to exist attach the sacrificial window to protect the objective lens from scratches or other damage 1 Ifthe objective lens cap is in place remove it 2 Carefully push the sacrificial window onto the objective lens until it stops Turn the sacrificial window clockwise until it snaps into place 2 10 INSTALLATION OF LIF Perform the following procedure to install the LIF onto the objective lens 1 Remove the container wrench from the carrying case pouch CAUTION Be careful not to touch glass surfaces If you get fingerprints or contamination on glass surfaces use lens paper to clean the LIF If moisture is needed use your breath to mist the surface of the glass 2 39 2 If the objective lens or sacrificial window is on the objective lens of the monocular remove it 3 Carefully open the container wrench and remove the LIF Refer td Figure 2 9 CONTAINER RIDGES WRENCH Figure 2 9 LIF 4 Hold the LIF by the ridged end sed Figure 2 11 and thread it clockwise into the end of the objective lens Do not overtighten the LIF into the objective lens CAUTION 5 Using the ridged side of the container wrench as a wrench engage the ridges on the container with the ri
15. Before Neck Cord and Inspect for cracked torn or missing Damaged After Objective Lens objective lens cap Inspect neck Cap cord for cut damage or loose ends Re tie ends if necessary 91 6 Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If NOTE Operator may use the TS 4348 UV to check resolution paragraph 2 3 10 Before Viewed Image Refer to paragraph 2 4 to inspect Flickering After for operational defects flashing edge NOTE If any of the following items are damaged it does not cause the entire end item to be not fully mission capable However the damaged item should be re placed as soon as practical to restore full capability of the System glow or shading is observed 2 Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If HEADMOUNT 11 Before Straps Pads Inspect for cuts tears fraying Damage causes After holes cracks or defective straps or pads to fasteners be unservice able 12 Before Socket Inspect for dirt dust or corrosion Damaged latch After Insert monocular latch into socket won t lock or is to verify secure attachment of too loose monocular to headmount If necessary clean socket w
16. Mount to Helmet Installation of Headmount with Protective Mask Installation of Weapon Mount Installation of Compass Installation of 3X Magnifier Operating Procedures Hand Held Operation Head Mounted Operation Helmet Mounted Operation Weapon Mounted Operation IR Source Operations Operation with Compass Operation with 3X Magnifier Operation with Gain Control Preparation for Storage Operation Under Unusual Conditions Operation in Dusty or Sandy Areas Operation in Rainy or Humid Conditions Operation in Salt Water Areas Operation in Nuclear Biological and Chemical NBC Environments Operation in Laser Threat Environments Page 2 45 2 65 2 65 TABLE CONTENTS Continued Paragraph Title CHAPTER 3 MAINTENANCE INSTRUCTIONS Section Lubrication Instructions Section ll Troubleshooting Procedures Troubleshooting Section Operator s Maintenance Procedures Cleaning the MNVD Headmount Maintenance Neck Cord Maintenance APPENDIX A 5 APPENDIXB COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS LISTS APPENDIXC ADDITIONAL AUTHORIZATION LIST AAL APPENDIX D EXPENDABLE AND DURABLE ITEMS LIST UBJECT INDEX vi 1 1 3 3 10 HOW USE THIS MANUAL Usage You must familiarize yourself with the entire manual before operating the equipment Read and follow all warning notices e Manual Overview The table of
17. Number Identifies the stock number of the item to be used for requisitioning purposes Column 2 Description Commercial and Government Entity Code CAGEC and Part Number P N Identifies the Federal item name in all capital letters followed by a minimum description when needed The last line below the description is the CAGEC in parentheses and the part number Column 3 Usable On Code When applicable gives you a code if the item you need is not the same for different models of equipment Column 4 U M Unit of Measure Indicates how the item is issued for the National Stock Number shown in column 1 Column 5 Qty Recm Indicates the quantity recommended C 1 Using Unit Responsibility Marine Corps Only list in alphabetical sequence of items that will not be issued with the end item They must be requisitioned as required through the supply system by the holding organization or the using unit p 9 Table 1 Additional Authorization List 1 2 3 a 5 NATIONAL USABLE STOCK DESCRIPTION CAGEC ON QTY NUMBER AND PART NUMBER CODE UM RECM 6135 00 985 7845 BATTERY NON EA 2 RECHARGEABLE AA 1 5 Vdc 80058 BA 3058 U 6135 01 333 6101 BATTERY EA 2 NONRECHARGEABLE AA 83740 L91 1 5 Vdc 6625 01 323 9584 TEST SET ELEC SYS EA 1 TS 4348 UV 80063 A3139775 5855 01 423 0817 MAGNIFIER LENS EA 1 ASSEMBLY 80063 A3256391 APP
18. The sharpest image will be observed only when the objective lens and eyepiece lens are properly focused 7 Rotate the diopter adjustment for the clearest view of the image intensifier screen NOTE Any readjustment of eye relief requires readjustment of the diopter 8 Adjust the eye relief distance by pressing the eye relief adjustment and sliding monocular fore or aft to obtain a full field of view of the image Reset the diopter adjustment for best image 9 Adjust the objective lens focus while observing an object until the sharpest image is obtained 2 20 HELMET MOUNTED OPERATION CAUTION Take some precaution when using handling the helmet mount Most damage occurs when the helmet mount is left on the helmet when not needed for immediate use Observe the following cautions to significantly extend the useful life of the helmet mount 2 60 CAUTION e Do not use excessive force when changing the up down position of the MNVD Excessive force can break the headmount helmet mount adapter e not drop or throw the helmet with the helmet mount attached to it e With the monocular in the flipped up position do not flick the monocular down by shaking the helmet This places significant stress on the helmet mount e Marine Corps Only Use the helmet screws to mount the helmet mount bracket directly to the helmet pe e Other Services Return the helmet and the helmet mount to unit maintenance for direct
19. and are an indication of instability If identified they are an immediate cause for rejecting the MNVD They include shading edge glow flashing flickering and intermittent operation 2 28 1 Shading If shading is present you will not see a fully circular image see Figure 2 3 Shading is very dark and you cannot see an image through it Shading always begins on the edge and migrates inward eventually across the entire image area Shading is a high contrast area with a distinct line of demarcation Return the MNVD to the maintainer M SHADING Figure 2 3 Shading NOTE Make sure the shading is not the result of improper eye relief adjustment refer to paragraph 2 29 2 Edge Glow Edge glow is a bright area sparkling in the outer portion of the viewing area se To check for edge glow block out all light by cupping a hand over the objective lens If the image intensifier is displaying edge glow the bright area will still show up Return the MNVD to the maintainer EDGE GLOW Figure 2 4 Edge Glow 3 Flashing Flickering or Intermittent Operation image may appear to flicker or flash If there is more than one flicker check for loose battery cartridge or weak batteries If weak or loose batteries are not the problem return the MNVD to the maintainer 2 30 Cosmetic Blemishes These are usually the result of manufacturing imperfections that do not affect intensifier reliability
20. becoming fogged LIF The LIF is to be used at all times For replacing the filter the container is also the wrench The container wrench is used to remove and replace the LIF from the objective lens Sacrificial Window A replaceable sacrificial window Figure 1 1 is supplied to protect the objective lens during operation in adverse conditions enables the operator to see azimuth readings in the monocular Tethering Cord The tethering cord enables the user to attach the compass or 3X magnifier to a button hole or belt loop to guard against dropping or losing these items 3X Magnifier Additional Authorized Item The 3X magnifier is a lens assembly which can be added to the monocular to extend the operator s observation ranges b Headmount The headmount secures the monocular to the operator s head for night viewing and provides freehand support for use with a weapon protective mask or other purposes It is adjustable and cushioned The thin browpad used for large heads comes attached to the headmount the thick and medium browpads used for smaller heads are stored in the carrying case c Helmet Mount This item Figure 1 1 secures the monocular to the Personal Armor System Ground Troops PASGT helmet allowing freehand support for use with a weapon protective mask and or other purposes The new helmet mount is made of a ruggedized metal The old one is made of pla
21. index finger on top and thumb on illumination button on bottom Press button slowly with thumb until proper brightness is obtained The image should appear as shown in Figure 2 23 4 The compass readings should change when you move your head from side to side Rotate or tap compass slightly to ensure compass is operating correctly Hold the monocular in a level position to assure free rotation of the compass scale Figure 2 23 View Through Installed Compass 2 67 b The tick mark closest to the center of the lighted display is the compass bearing The tick marks are in degrees with longer tick marks every five degrees and bearing labels every 10 degrees 2 24 OPERATION WITH 3X MAGNIFIER 1 Install pef paragraph 2 17 NOTE The mated 3X magnifier and objective lens will turn as a unit to allow focusing 2 Grasp the 3X magnifier and focus while observing an object until the sharpest image is obtained 2 25 OPERATION WITH GAIN CONTROL Turn the gain control Figure 2 24 to balance the illumination input to the eye GAIN CONTROL Figure 2 24 Gain Control 2 68 2 26 PREPARATION FOR STORAGE 1 Shutdown Perform the following procedures to shut down the monocular a Turn the monocular power switch to the OFF position 0 Remove the monocular from the headmount helmet mount or weapon and remove the weapon mount from the monocular WARNING Do not carry batteries in pockets containing metal objects
22. item you need is not the same for different models of equipment Column 5 U M Unit of Measure Indicates how the item is issued for the National Stock Number shown in column 2 Column 6 Qty Rqr Indicates the quantity required Supply System Responsibility Marine Corps Only A list in alphabetical sequence of items that are furnished with and must be turned in with the end item Any item requiring replacement is the responsibility of the holding organization or using unit Collateral Material Marine Corps Only A list in alphabetical sequence of items that are supplied with the initial issue of an end item and also retained by the unit B 2 5 Echelon Rehabilitation Program Marine Corps Only Major items returned under this program will be evacuated under the provision s of the applicable Marine Corps Order s with items listed under Supply System Responsibility rebuild replacement under the 5 Echelon Rehabilitation Program will be limited to these items only Those items under the heading Collateral Material and using unit items shall be held by holding organizations using units for application to replacement end items B 3 Section Components of End Marine Corps Supply System Responsibility Sheet 1 of 2 B 4 Section Components of End Marine Corps Collateral Material Sheet 2 of 2 B 5 9 4 Table 1 Components of End List 1
23. mounting of the bracket via the helmet screws Perform the following procedures for helmet mounted operation NOTE The helmet mount provides two positions for the user to position the MNVD The flipped down position allows the user to position the MNVD directly in front of the eyes The helmet mount also allows the user to rotate the MNVD to a flipped up position when the MNVD is not needed for immediate use Both the flipped down and the flipped up positions have a positive stop which assures the user that the MNVD is in the correct position 2 61 headmount helmet mount adapter allows the MNVD to be rotated from the left to the right eye or vice versa The MNVD can be moved to the flipped up position with the headmount helmet mount adapter positioned to either the left or the right 1 Ensure that the batteries are installed pe 2 Don the helmet mount per instructions in 13 3 Place the monocular in the socket of the helmet mount Set your eye relief by depressing the side buttons or press down on side lever on metal mount see Figure 2 22 and carefully move the monocular fore or aft until the eyecup comfortably seals around the eye Readjust the helmet straps as required for vertical adjustment PLASTIC MOUNT METAL MOUNT TILT ADJUSTMENT TILT ADJUSTMENT LOCK KNOB lt P SIDE BUTTONS 2 EA FORE AND AFT SIDE LEVER SOCKET ADJUSTMENT SOCKET FORE AND AFT ADJUSTMENT Figure 2 22 Tilt and
24. normal firing position Adjust the fore aft position of the monocular as necessary by loosening the clamping knob and repositioning the weapon mount on the weapon s mounting rail 2 52 2 16 INSTALLATION COMPASS CAUTION e Use of the compass with the plastic headmount or the plastic helmet mount will result in inaccurate compass readings The magnet cannot be removed from these mounts e magnet must be removed from the ruggedized metal helmet mount before installation of the compass Failure to do so will result in inaccurate compass readings e f the magnet is not removed turn the ruggedized metal helmet mount in to unit maintenance for removal See Figure 2 17 for location of magnet MAGNET Figure 2 17 Locating the Magnet 2 53 e Prepare the monocular for operation e Leave LIF in place when installing the compass 1 If the sacrificial window or objective lens cap is in place remove it 2 Turn monocular on 3 Rotate the objective lens focus completely counterclockwise while looking through the monocular NOTE The o ring must be in place in the compass in order for the compass to fit properly 4 Press the compass onto the objective lens at an angle using your left hand Slowly turn the compass counterclockwise until it is in the vertical position with compass illumination button pointing down See Figure 2 18 5 Ensure that the compass fits tightly to the objecti
25. one who can tell us what you don t like about the design Put it on an SF 368 Product Quality Deficiency Report Mail it to Commander U S Army Communications Electronics Command and Fort Monmouth ATTN AMSEL LC LEO D CS CFO Fort Monmouth New Jersey 07703 5000 We ll send you a reply Marine Corps personnel are encouraged to submit SF 368 in accordance with MCO 4855 10 Quality Deficiency Report 1 6 WARRANTY INFORMATION Some MNVD systems are under warranty warranty expiration date label is affixed to the front objective lens end of the monocular on the opposite side from the power switch Report all defects in material or workmanship to your maintainer who will take the appropriate action 1 7 NOMENCLATURE CROSS REFERENCE LIST provides a cross reference of common names and official terms Except in the Appendices the common names will be used The official names are used in the Appendices because they reflect the provisioning nomenclature 1 3 Table 1 1 Nomenclature Cross Reference List COMMON NAME Batteries Battery Cartridge Carrying Case Carrying Case Strap Compass Demist Shield Eyeguard Eyepiece Lens Cap Headmount Headmount Helmet Mount Adapter Helmet Mount LIF Medium Browpad Monocular Neck Cord Objective Lens Cap Sacrificial Window Shipping and Storage Case Tethering Cord Thick Browpad Thin Browpad 3X Magnifier Weapon Mount 1 4 OFFICIAL NOMENCLATURE Battery Nonrecharg
26. the MNVD are shown in Figures 1 3 and 2 1 which are described in 2 1 DIOPTER ADJUSTMENT EYE RELIEF ADJUSTMENT FOCUS POWER CUT OFF SWITCH GAIN WINDOW CONTROL BATTERY POLARITY INDICATORS HIDDEN E NOTE LOW BATTERY INDICATOR AND IR SOURCE ON INDICATOR ARE VISIBLE IN EYEPIECE LENS Figure 2 1 Monocular Controls and Indicators 2 2 Table 2 1 Monocular Controls and Indicators CONTROLS AND FUNCTIONS INDICATORS Power Switch Controls monocular and IR source ON or OFF RESET Same as system OFF OFF Also resets monocular after high light cut off ON Monocular activated IR PULL Turn the knob clockwise to momentarily activate the IR source Pull and turn the knob clockwise from the ON position to continuously activate the IR source CAUTION Do not use excessive force to place the power switch into the momentary IR position 2 3 Table 2 1 Monocular Controls and Indicators Continued CONTROLS AND INDICATORS FUNCTIONS Low Battery Indicator IR Source On Indicator Gain Control Objective Focus Diopter Adjustment Eye Relief Adjustment 2 4 When blinking it indicates a low battery condition with less than 30 minutes of battery life remaining It is visible through the eyepiece just outside the intensified field of view When illuminated it indicates that the IR source is ON It is visible through the eyepiece just outside the intens
27. the Neck Pad 3 Repeat steps 1 and 2 for the other side of the headband and neckband if necessary 3 8 c Lacing the Sliding Bar Buckles While donning and adjusting the headmount it is possible for a strap to slip out of a slide fastener Perform the following procedure to adjust the strap and sliding bar buckle 1 Thread the strap from the inside of the buckle over the moveable sliding bar see Figure 3 2 Thread the strap back through the buckle but this time under the moveable sliding bar and over the serrated part of the buckle MOVEABLE SLIDING BAR FIXED SERRATED BAR Figure 3 2 Threading the Sliding Bar Buckles 2 Pull the strap through the buckle and tighten as necessary 3 Repeat steps 1 and 2 for other straps and buckles that may have come undone 3 9 3 4 NECK CORD MAINTENANCE The neck cord Figure 1 1 may be broken frayed or loose at one or both ends If loose re tie cord If broken or severely frayed install new cord as follows 1 Insert ends through monocular holes from the rear 2 Then through one hole of battery cartridge 3 Thread right cord end through hole in objective lens cap 4 Tie a knot in each end 3 10 APPENDIX REFERENCES A 1 SCOPE This appendix lists all the forms field manuals technical manuals and miscellaneous publications referred to in this manual A 2 FORMS Inspection and Maintenance Record DA 2404 Product Quality Deficiency Rep
28. the image or to perform the mission Figure 2 7 Chicken Wire 2 34 Section Assembly and Preparation for Use This chapter contains the information necessary to prepare the monocular for operation This includes unpacking 5 battery installation 2 6 eyecup and eyeguard installation PTUS shield installation 2 8 sacrificial window installation 2 9 LIF installation 2 10 headmount installation and adjustment 2 11 headmount helmet mount adapter installation 2 12 helmet mount installation to helmet 2 13 alternate helmet mount installation to helmet 0 13 headmount installation with protective mask weapon mount installation 2 15 compass installation 2 16 and magnifier installation 2 17 2 5 UNPACKING The following steps must be accomplished prior to each mission where the MNVD is used CAUTION Relieve air pressure inside shipping and storage case by pressing in on opposite sides of the case before releasing latches 1 Release the latch securing top of shipping and storage case and open 2 Check contents for completeness seelFigure 1 1 3 Remove carrying Open carrying case 1 remove MNVD and check contents for completeness 4 Inspect the monocular for obvious evidence of damage to optical surfaces body eyecup eyeguard power switch battery cartridge etc Ensure that all optical surfaces are clean and ready for use Clean with lens paper 2 35 2 6 I
29. under low light conditions DIOPTER A unit of measure used to define eye correction Adjustments to the diopter adjustment will provide a clearer image in each eye 1 6 EDGE GLOW This is a defect in the image area of the monocular Edge glow is a bright area sometimes sparkling in the outer portion of the viewing area EMISSION POINT A steady or fluctuating pinpoint of bright light in the image area and does not go away when all light is blocked from the objective lens of the monocular The position of an emission point within the image area of the monocular does not move An emission point should not be confused with a point light Source in the distance FIXED PATTERN NOISE This is a cosmetic blemish in the image area characterized by a faint hexagonal honeycomb pattern throughout the viewing area that most often occurs at high light levels or when viewing very bright lights Fixed pattern noise is inherent in the structure of the fiber optics and can be seen in every image intensifier if the light level is high enough FLASHING This is a defect in the image area of the monocular The image appears to flicker or flash FLICKERING See flashing GAIN This is the number of times a night vision device amplifies light input IMAGE INTENSIFIER An electro optical device that detects and amplifies ambient light to produce a visual image INFINITY FOCUS Adjustment of the objective lens so that a distant object such
30. vision with mon ocular turned ON or if cracks are present 01 Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If 3 Before Battery Inspect external surfaces for Cracks or dam After Cartridge cracks or damage Scratches age in the bat Housing cracks and gouges are OK if tery housing operation is not affected Inspect battery compartment Check to make sure battery cartridge is present Remove battery cartridge and inspect for moisture cracks corroded or defective spring contacts and o ring present in cartridge Cartridge is missing contacts damaged or corroded o ring is missing Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If 3 Before Battery Remove any batteries and turn the Power switch Cont After Cartridge power switch from RESET OFF to has no definite Housing ON to IR PULL Each position should stopping points Cont have a definite stopping point Inspect or knob is bro for broken or missing knob Install batteries per paragraph 2 6 and check IR source and momentary IR source if so equipped functions by following the operating instructions Check the high light cut off with day light or bri
31. 063 A3256345 14 6160 01 444 1208 COVER BATTERY EA 1 RETAINER 80063 A3256344 MARINES ONLY 6 8 Table 2 Components of End Item List 1 2 3 4 5 6 NATIONAL USABLE ILLUS STOCK DESCRIPTION CAGEC ON QTY NUMBER NUMBER AND PART NUMBER CODE U M 15 5340 01 451 7737 CLIP RETAINING EA 1 80063 A3260933 16 5855 01 398 4284 CASE INFRARED EA 1 EQUIPMENT 80063 A3187392 17 5340 01 250 2431 STRAPPING EA 1 80063 A3144267 18 5340 01 397 6608 CAP PROTECTIVE DUST EA 1 80063 A3144318 19 4020 01 446 8097 CORD FIBROUS EA 1 80063 A3144306 Table 2 Components of End List 1 2 3 4 5 6 NATIONAL USABLE ILLUS STOCK DESCRIPTION CAGEC ON QTY NUMBER NUMBER AND PART NUMBER CODE U M RGR 20 OPERATOR S MANUAL EA 1 TM 11 5855 306 10 21 CASE SHIPPING amp EA 1 STORAGE 80063 A3264350 Basic Issue Items Not Applicable B 11 12 blank APPENDIX C ADDITIONAL AUTHORIZATION LIST AAL INTRODUCTION C 1 SCOPE This appendix lists additional items you are authorized for the support of the AN PVS 14 C 2 GENERAL This list identifies items that do not have to accompany the AN PVS 14 and that do not have to be turned in with it These items are all authorized to by CTA MTOE TDA or JTA C 3 EXPLANATION OF COLUMNS IN THE AAL Column 1 National Stock
32. Allowances Technical Manual Table of Organization and Equipment Unit of Measure Volts direct current 1 5 1 9 GLOSSARY BLACK SPOTS These are cosmetic blemishes in the image intensifier of the MNVD or dirt or debris between the lenses BRIGHT SPOTS These defects can appear in the image area of the MNVD This condition is caused by a flaw in the film on the microchannel plate A bright spot is a small nonuniform bright area that may flicker or appear constant Bright spots usually go away when the light is blocked out and are cosmetic blemishes that are signal induced BROWPADS Three hook and pile browpads are provided to adjust the headmount to fit different head sizes The thin browpad large head comes attached to the headmount and the thick small head or medium browpads are stored in the carrying case CAUTION Condition practices or procedures that must be observed to avoid damage to equipment destruction of equipment or a long term health hazard CHICKEN WIRE An irregular pattern of dark thin lines in the field of view either throughout the image area or in parts of the image area Under the worst case condition these lines will form hexagonal or square wave shaped lines DARK OR DARK AREA A place in which there is very little light It does not mean total darkness Generally this means conditions similar to a quarter moon or starlit night DARK ADAPTED Having ones eye adjusted to the monocular s output
33. ENDIX D EXPENDABLE AND DURABLE ITEMS LIST INTRODUCTION D 1 SCOPE This appendix lists expendable and durable items that you will need to operate and maintain the AN PVS 14 This list is for information only and is not authority to requisition the listed items These items are authorized to you by 50 970 Expendable Durable Items Except Medical Class V Repair Parts and Heraldic Items or CTA 8 100 Army Medical Department Expendable Durable Items D 2 EXPLANATION OF COLUMNS IN THE EXPENDABLE DURABLE ITEMS LIST Column 1 Item Number This number is assigned to the entry in the list and is referenced in the narrative instructions to identify the item e g Use lubricating oil item 25 APPENDIX D Column 2 Level This column includes the lowest level of maintenance that requires the listed item C Operator Crew Column 3 National Stock Number This is the NSN assigned to the item which you can use to requisition it Column 4 ltem Name Description Commercial and Government Entity Code CAGEC and Part Number P N This column provides the other information you need to identify the item Column 5 Unit of Measure U M This code shows the physical measurement or count of an item such as gallon dozen gross etc D 1 Table 1 Expendable and Durable Items List 1 2 3 a 5 NATIONAL ITEM STOCK ITEM NAME DESCRIPTION NUMBER LEVEL NUMBER CAGE PART NU
34. Flip up Assembly Mechanisms 2 62 4 Turn power switch to ON Adjust the tilt by using the tilt adjustment lock knob or tilt adjustment lever on metal mount Figure 2 22 until you obtain a comfortable viewing angle NOTE The sharpest image will be observed only when the objective lens and eyepiece lens are properly focused 5 Rotate the diopter adjustment for the clearest view of the image intensifier screen NOTE Any readjustment of eye relief requires readjust ment of the diopter 6 Adjust the eye relief distance by depressing the side buttons Figure 2 22 or press down on side lever on metal mount and sliding monocular fore or aft to obtain a full field of view of the image Reset the diopter adjustment for best image 7 Adjust the objective lens focus while observing an object until the sharpest image is obtained 8 To flip up grasp the helmet tilt and flip up assembly and rotate upward and rearward until the latch is firmly engaged WARNING The monocular will not be turned off automatically when flipped up The monocular must be turned off by the power switch 2 63 9 To flip down grasp the helmet tilt and flip up assembly and rotate downward and forward until the latch is firmly engaged 10 Turn the power switch to the ON position to resume viewing 2 24 WEAPON MOUNTED OPERATION NOTE The MNVD can be used in conjunction with a collimated dot aiming device mounted on the forward moun
35. MBER U M 1 C 6640 01 459 4239 PAPER LENS PK 81348 A A 50177 TYPE I CLASS 5 SUBJECT INDEX Para A Abbreviations list 01 1 8 Additional Authorization Adjustment See specific adjustment Ambient temperature 1 12 Appendices References Components of End and Basic Issue Items BI Eistg iiit riore Additional Authorization List AAL D Expendable and Durable Items List B Basic Issue Items B 1 Battery Alkaline Installing Wm Low battery indicator Polarity Indicators Replacing Black spots Bright spots Browpads Index 1 SUBJECT INDEX Continued Para C Capabilities 2 2 ore cerneret ide aec 70 Carrying ee t dg ERI Shipping and Storage 11 11 L1 9 Liz101 Checks preventive maintenance 2 2 Chicken 9 2 4 Cleaning the 3 2 Compass Installation 2 rect redet tacere tid
36. NSTALLATION OF BATTERIES CAUTION To protect the image intensifier keep the objective lens cap on when the monocular is not in use or when using the monocular in daylight conditions The MNVD operates with two AA batteries Batteries are not supplied with the MNVD and must be obtained separately Table 2 3 Estimated Battery Life BATTERY TEMPERATURE NEGLIGIBLE SOURCE TYPE IR SOURCE USAGE 10 USAGE OF THE TIME AA Alkaline 21 70 60 55 Hrs AA Lithium L91 21 C 70 F 70 Hrs 65 Hrs AA Alkaline 20 4 12 Hrs 10 Hrs AA Lithium L91 20 C 4 F 60 Hrs 55 Hrs At operating temperatures below 20 C 4 F Alkaline batteries are not recommended as operating life will be severely reduced Lithium iron disulfide L91 1 5V AA batteries should be used below 20 C 4 F CAUTION Make certain the power switch is in the OFF position before installing the batteries 2 36 e Do not mix battery types i e Alkaline and Lithium Install the AA batteries as follows 1 Remove the battery cartridge by squeezing the two tabs together and pulling out 2 Observe polarity as indicated on the inside of the battery cartridge and insert the batteries into battery cartridge In addition some battery cartridges have a bubble molded into the top to show the for proper orientation of the batteries EYECUP DEMIST SACRIFICIAL SHIELD WINDOW POLARITY EM INDICATORS BATTERY CAR
37. TRIDGE EYEGUARD LATCHES ONE ON EACH SIDE TABS PRESSURE ONE ON EACH SIDE POINTS Figure 2 8 Battery Eyecup and Eyeguard Installation 3 Replace battery cartridge by pushing cartridge at pressure points into the housing as shown making sure both latches on either side are engaged You will feel them click into place 2 37 2 7 INSTALLATION EYECUP EYEGUARD Perform the following procedure to install eyecup or eyeguard onto the monocular Refer to 1 Carefully press the eyecup or eyeguard over the end of the eyepiece lens 2 Rotate the eyecup or eyeguard into proper viewing position Adjust for best The eyecup must seal around your eye and prevent the green glow from escaping 2 8 INSTALLATION OF DEMIST SHIELD Perform the following procedures to install the demist shield on the eyepiece lens Refer to Figure 2 8 CAUTION If the demist shield needs to be cleaned refer to paragraph 3 2 for cleaning If the demist shield is wiped while wet or with wet lens paper you will damage the coating NOTE If inclement operating conditions are expected to exist e g significant temperature change and high humidity install demist shield to minimize eyepiece lens fog prior to execution of mission 1 Carefully remove the eyecup or eyeguard 2 Carefully press the demist shield onto the eyepiece Be careful not to smudge the eyepiece lens or demist shield 3 Replace the eyecup or eyeguard
38. acket and rotate downward until the latch engages see Figure 2 14 To release the mount from the helmet bracket press the release and pull forward and down KEEPER TOP EDGE OF MOUNT MOUNT HELMET MOUNT BRACKET RELEASE Figure 2 14 Reassembly of Helmet Mount 2 47 b Marine Corps Only Using Existing Helmet Screw strap NOTE Refer to Figures 2 14 and 2 15 for reference and definition of terms HELMET REA REAR BRACKET MOUNT BRACKET MOURING STRAP REMOVED HOLE TOP EDGE OF MOUNT MOUNT RELEASE EXISTING HELMET SC A KEEPER EXISTING HELMET LATCH SCREW Figure 2 15 Helmet Mount 1 Remove the helmet mount from the carrying case 2 Press the release to remove the mount from the helmet mount bracket 2 48 3 Unthread the strap from the helmet mount bracket Unsnap the rear snap and remove the rear bracket from the strap The nape strap should remain attached to the rear bracket NOTE Place the strap in the carrying case it is not used for this mounting method 4 Find the screw located in the front center of the helmet Using a flat tip screwdriver remove the screw Hook the helmet mount bracket on the front of the helmet and center it over the hole where the screw was removed 5 Insert the screw removed in step 4 through the hole in the helmet mount bracket and through the helmet see 6 Align the nut on the helmet s interior str
39. and are not normally a cause for rejecting an MNVD However some types of blemishes can get worse over time and interfere with the ability to perform the mission If you believe a blemish is cause for rejection record the specific nature of the problem on the maintenance forms and identify the position of the blemish by using the clock method and approximate distance from the center e g 5 o clock toward the outside 2 30 near the center or 1 00 midway The following are cosmetic blemishes 1 Bright Spots A bright spot is a small nonuniform bright area that may flicker or appear constant 2 5 Not all bright spots make the MNVD rejectable your hand over the objective lens to block out all light If the bright spot remains return the MNVD to the maintainer Bright spots usually go away when the light is blocked out Make sure any bright spot is not simply a bright area in the scene you are viewing Bright spots are acceptable if they do not interfere with the operator s ability to view the image or to perform the mission 2 31 EMISSION gt POINT ERIGHT SPOT Figure 2 5 Bright Spots and Emission Points 2 Emission Points A steady or fluctuating pinpoint of bright light in image area that does not go away when all light is blocked from the objective lens of the monocular Figure 2 5 The position of an emission point within the image area does not move Not all emission points make t
40. apping to the hole and tighten the screw with a flat tip screwdriver 7 Attach the mount to the helmet mount bracket Insert the top edge of the mount under the keeper on the helmet mount bracket and rotate downward until the latch engages see Figure 2 i4 To release the mount from the helmet bracket press the release 8 Find the screw located in the lower rear center of the helmet Using a flat tip screwdriver remove the screw Hook the rear bracket on the lower rear of the helmet and center it over the hole where the screw was removed 9 Insert the screw removed in step 8 through the hole on the rear bracket and through the helmet 10 Align the nut to the hole and tighten the screw with the flat tip screwdriver 2 49 11 Disengage the strap latch on left side of strap 12 Don the helmet Do not fasten the helmet chinstrap 13 Engage the nape strap at the nape strap latch Tension the nape strap for a stable fit then install and tension the helmet chinstrap The brow of the helmet should be parallel to the ground and the helmet stable on the head 14 Insert the top edge of the mount under the keeper on the helmet mount bracket and rotate downward until the latch engages To release the mount from the helmet bracket press the release and pull forward and down 2 14 INSTALLATION OF HEADMOUNT WITH PROTECTIVE MASK Perform the following procedures for donning headmount with protective
41. are properly focused 3 Rotate the diopter adjustment for the clearest view of the image intensifier screen 4 Focus the objective lens while observing an object until the sharpest image is obtained 2 57 2 19 HEAD MOUNTED OPERATION Perform the following procedures for head mounted operation CAUTION Operate the monocular only under darkened conditions or use the lens cap to cover the objective lens for daylight conditions 1 Ensure that batteries are installed per 2 Don the headmount per instructions in paragraph 2 11 NOTE To make it easier to align the monocular eyecup and eyepiece lens to the eye depress the eye relief adjustment and slide the headmount socket all the way forward before attaching the monocular 3 Align the headmount helmet mount adapter s latch to the headmount socket Figure 2 21 Press and hold down the latch lever while installing the monocular into the headmount socket Release the latch when the monocular fully engages the socket 4 Set your eye relief by depressing the eye relief adjustment Eigure 2 21 and move the monocular back toward your non dominate eye until the eyecup comfortably seals around the eye 5 Turn the monocular ON 6 Readjust the vertical adjustment Figure 2 10 of the headmount until the monocular is properly aligned with your eye 2 58 HEADMOUNT SOCKET LATCH Figure 2 21 Headmount Helmet Mount Adapter Operation 2 59
42. as a star or the point light on a distant tower forms the sharpest image INTERMITTENT OPERATION This is a defect in the image area of the monocular See flashing 1 7 IR SOURCE This is an IR Light Emitting Diode LED When turned on the IR source provides additional illumination to enhance existing light conditions used only for performing nearby tasks LIGHT INTERFERENCE FILTER LIF This is a light protection filter for the monocular Use of this filter will result in a slight reduction in system gain MICROCHANNEL PLATE current multiplying optical disk that intensifies the electron image produced by the photocathode NOTE Essential information of special importance interest or aid in job performance PHOTOCATHODE The input optic of an image intensifier that absorbs light energy and in turn releases electrical energy in the form of an electron image SCINTILLATION faint random sparkling effect throughout the image area Scintillation is a normal characteristic of the image intensifier and should not be confused with emission points Scintillation is more pronounced under low light conditions Also called video noise SHADING The viewed image should be a full circle If shading is present you will not see a fully circular image Shading is indicative of a dying photocathode and is caused by a defective vacuum seal of the image intensifier Shading is very dark and you cannot see an image through it
43. ates Army Je L Chief of Staff JOEL B HUDSON Administrative Assistant to the Secretary of the Army 0017903 Official By Order of the Secretary of the Marine Corps RANDALL P SHOCKEY Director Program Support Marine Corps Systems Command DISTRIBUTION To be distributed in accordance with the initial distribution number IDN 360538 requirements for TM 11 5855 306 10 RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS SOMETHING WRONG WITH PUBLICATION FROM PRINT YOUR UNIT S COMPLETE ADDRESS THEN JOT DOWN THE DOPE ABOUT IT ON THIS FORM CAREFULLY TEAR IT OUT FOLD IT ae IN THIS SPACE TELL WHAT IS WRONG ALONG LANE AND WHAT SHOULD BE DONE ABOUT IT PRINTED NAME GRADE OR TITLE AND TELEPHONE NUMBER SIGN HERE DA UD 2028 2 PREVIOUS EDITIONS P S IF YOUR OUTFIT WANTS TO KNOW ABOUT YOUR JUL 79 ARE OBSOLETE RECOMMENDATION MAKE A CARBON COPY OF THIS AND GIVE IT TO YOUR HEADQUARTERS THE METRIC SYSTEM AND EQUIVALENTS NEAR MEASURE SQUARE MEASURE Centimeter 10 Millimeters 0 01 Meters 0 3937 Inches 1 Sq Centimeter 100 Sq Millimeters 0 155 Sq Inches 1 Meter 100 Centimeters 1000 Millimeters 39 37 Inches 1 Sq Meter 10 000 Sq Centimeters 10 76 Sq Feet 1 Kilometer 1000 Meters 0 621 Miles 1 Sq Kilometer 1 000 000 Sq Meters 0 386 Sq Miles CUBIC MEASURE Gram 0 001 Kilograms 1000 Milligrams 0 035 Ounces 1 Cu Centimeter 1000 Cu M
44. carrying case closed unless removing or replacing items 4 Ensure that all dust and sand is removed from the MNVD and carrying case after operation 2 70 2 28 OPERATION IN RAINY OR HUMID CONDITIONS CAUTION Operation in rainy or humid conditions can cause corrosion and deterioration of the MNVD unless the precautions given below are observed 1 Install the demist shield paragraph 2 8 2 Keep the carrying case and shipping and storage case closed unless removing or replacing items 3 Dry the monocular mounts and accessories after exposure to rain or high humidity and before storage This will prevent mildew from forming in the case 4 Do not store monocular in a wet carrying case or a wet shipping and storage case 2 29 OPERATION IN SALT WATER AREAS After exposure to salt water clean the MNVD paragraph 3 2 2 71 2 30 OPERATION NUCLEAR BIOLOGICAL AND CHEMICAL NBC ENVIRONMENTS WARNING Do not use contaminated eyecup or eyeguard They must be replaced 1 Decontamination Wear a protective mask while using MNVD after decontamination process 2 Hardness Do not use DS 2 for decontaminating the MNVD To decontaminate use 596 sodium hypochlorite and rinse with hot 158 F soapy water 2 31 OPERATION IN LASER THREAT ENVIRONMENTS NOTE The LIF is a light protection filter This filter must be used at all times unless directed by the unit commander to remove the LIF based upon his her
45. contents includes the paragraph number paragraph title and page number for each chapter An index provides additional references to the subject contents e Special Features A locator is provided on the right hand border of the front cover This gives the location of the information most frequently used To find the topic Operation open the manual to the correct page by using the black tab on the side of the manual that lines up with the topic Operation vii viii blank CHAPTER 1 INTRODUCTION Section General Information 1 1 SCOPE This manual provides operation and maintenance instructions for the Monocular Night Vision Device MNVD AN PVS 14 herein after referred to as the MNVD The MNVD is a self contained night vision device that enables improved night vision using ambient light from the night sky moon stars skyglow etc 1 2 MAINTENANCE FORMS AND PROCEDURES Department of the Army forms and procedures used for equipment maintenance will be those prescribed in DA Pam 738 750 as contained in Maintenance Management Update Refer to the latest issue of DA Pam 25 30 to determine whether there are new editions changes or additional publications or forms pertaining to this equipment Marine Corps personnel refer to the on line MCPDS Marine Corps Publication Distribution System Marine Corps Ground Record Procedures Marine Corps personnel refer to TM 4700 15 1 for disposition of forms and records required for Mari
46. d and the neck pad down to the back of your neck 2 42 4 Holding the chin cup in position on chin adjust both sides of the chinstrap until you feel light pressure against your chin DO NOT TIGHTEN 5 Maintain the position of the chin cup and remove any slack from the chinstrap DO NOT TIGHTEN 6 Ensure that the cross strap is not twisted and remove slack by adjusting the vertical adjustment at the neck pad 7 Adjust chinstrap and vertical adjustment until the chin cup and headband are in a comfortable but firm position NOTE After installing the monocular minor strap adjustments may be necessary to achieve comfort 8 Install the headmount helmet mount adapter refer to 9 Refer td paragraph 2 9 operating procedures 2 43 2 12 INSTALLATION OF HEADMOUNT HELMET MOUNT ADAPTER Install the headmount helmet mount adapter into the monocular by aligning thumbscrew to hole and tightening as shown in There is an alignment boss on the headmount helmet mount adapter that fits into a groove on the monocular Make sure the boss on the adapter fits into the groove on the monocular THUMBSCREW LATCH ALIGNMENT BOSS HIDDEN ALIGNMENT BOSS GROOVE Figure 2 11 Headmount Helmet Mount Adapter Installation 2 44 2 13 INSTALLATION OF HELMET MOUNT HELMET a Using Helmet Mount Strap 1 Remove the helmet mount from the carrying case Refer td Figure 2 12 for helmet mount featu
47. dges on the LIF and tighten the LIF handtight 2 40 6 Place the empty container wrench back into the carrying case pouch 7 Install the objective lens cap or the sacrificial window onto the end of the objective lens and cover the LIF NOTE The LIF must be used at all times unless directed by the unit commander to remove the LIF based upon his her assessment of the laser threat in the theater of operations 2 11 INSTALLATION AND ADJUSTMENT OF HEADMOUNT Perform the following procedures for donning the headmount NOTE Do not don the headmount while the monocular is attached 1 Prior to donning the headmount loosen the four ends of the chinstrap approximately two inches from the sliding bar buckles Figure 2 10 2 Snap the front and rear snaps Figure 2 10 in place NOTE If the headmount is too loose remove the attached thin browpad and replace with either the medium or thick browpad stored in the carrying case Refer to for removal and replacement of the browpads 2 41 CROSS STRAP CHINSTRAP ADJUSTMENT VERTICAL ADJUSTMENT CHINSTRAP HIDDEN ADJUSTMENT BROWPAD THICK MEDIUM NECK OR THIN PAD CHINSTRAP ADJUSTMENT AND SNAP HEADMOUNT SOCKET SLIDING BAR EYE BUCKLES RELIEF ADJUSTMENT CHIN CUP CHINSTRAP HEADBAND ADJUSTMENT AND SNAP Figure 2 10 MNVD Headmount Adjustments 3 With both hands grasp the neck pad Figure 2 10 and pull the harness over your hea
48. e AN PVS 14 As part of the end item these items must be with the end item whenever it is issued or transferred between property accounts Items of are removed and separately packaged for transportation or shipment only when necessary Illustrations are furnished to help you find and identify the items Basic Issue Items BII These essential items are required to place the AN PVS 14 in operation operate it and to do emergency repairs Although shipped separately packaged must be with the AN PVS 14 during operation and when it is transferred between property accounts Listing these items is your authority to request requisition them for replacement based on authorization of the end item by the TOE MTOE Illustrations are furnished to help you identify the items B 1 B 3 EXPLANATION COLUMNS IN THE COEI LIST AND BII LIST Column 1 Illus Number Gives you the number of the item illustrated Column 2 National Stock Number Identifies the stock number of the item to be used for requisitioning purposes Column 3 Description CAGEC and Part Number Identifies the Federal item name in all capital letters followed by a minimum description when needed The stowage location of COEI and BII is also included in this column The last line below the description is the CAGEC commercial and Government entity code in parenthesis and the part number Column 4 Usable on Code When applicable gives you a code if the
49. e and aft adjustment objective lens focus and eyepiece focus The monocular is also equipped with an IR source a low battery indicator and a gain control 1 11 LOCATION AND DESCRIPTION OF MAJOR COM PONENTS The MNVD includes the items shown in Figure 1 1 The major components are the headmount helmet mount monocular carrying case and the shipping and storage case a The monocular see consists of various components such as an objective lens an image intensifier not shown an eyepiece lens and a battery cartridge HEAD HELMET MOUNT ADAPTER CORD __ HEADMOUNT THIN BROWPAD CS MOUNT lt S fy MEDIUM BATTERY AND THICK CARTRIDGE BROWPADS OPERATOR S MANUAL LENS NECK CORD EYEGUARD OBJECTIVE A LIF W PANINDOW 4 LENS WRENCH CARRYING CASE STRAP Figure 1 1 Monocular Night Vision Device MNVD AN PVS 14 Sheet 1 of 3 QN E ar Nig AN PVS 14 heet 20 SEE SHEET 1 FOR DETAILS gy SHIPPING AND STORAGE CASE Figure 1 1 Monocular Night Vision Device MNVD AN PVS 14 Sheet 3 of 3 1 13 LENS OBJECTIVE LENS POWER SWITCH GAIN BATTERY CARTRIDGE CONTROL Figure 1 2 Monocular Night Vision Device The monocular also uses the accessories listed below Demist Shield The demist shield is used to prevent the eyepiece lenses from
50. e headmount over the protective mask be careful not to break the protective mask seal around your face FIRST AID For first aid or artificial respiration see FM 21 11 First Aid for Soldiers c d blank TECHNICAL MANUAL DEPARTMENT OF THE ARMY No 11 5855 306 10 AND HEADQUARTERS TECHNICAL MANUAL MARINE CORPS No 10271A 10 1A Washington DC 1 June 2000 OPERATOR S MANUAL MONOCULAR NIGHT VISION DEVICE MNVD 5 14 NSN 5855 01 432 0524 REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS You can help improve this manual If you find any mistakes or if you know of a way to improve the procedures please let us know Mail your letter or DA Form 2028 Recommended Changes to Publications and Blank Forms direct to Commander U S Army Communications Electronics Command and Fort Monmouth ATTN AMSEL LC LEO D CS CFO Fort Monmouth NJ 07703 5000 Marine Corps personnel send NAVMC 10772 Recommended Changes to Publications Logistics Maintenance Data Coding to Commander Marine Corps Logistics Base Code 826 814 Radford Blvd Albany GA 31704 1128 This manual supersedes TM 11 5855 306 10 dated 1 December 1997 and all changes thereto blank Paragraph B E HEB Section II EN HB Section III TABLE CONTENTS Title INTRODUCTION General Information Scope Maintenance Forms and Procedures Corrosion Prevention and Control CPC Des
51. eable Cover Battery Retainer Case Infrared Equipment Strapping Compass Assembly Lens Infrared Receiver Eyeguard Optical Cap Protective Dust Headset Assembly Adapter Headset Mount Viewer Filter Infrared Light Browpad Assy Medium Monocular Assy Cord Fibrous Cap Protective Dust Window Sacrificial Case Shipping Storage Clip Retaining Browpad Assy Thick Browpad Assy Thin Magnifier Lens Assembly Bracket Mounting 1 8 LIST ABBREVIATIONS AND ACRONYMS AAL BII CAGEC cm COEI CPC CTA DA EIC EIR FM Hrs IR JTA lbs LED LIF MCPDS MNVD MTOE N A NBC NSN Pam PASGT PMCS Qty Recm Rar SF TAMMS TDA TM TOE U M Vdc Additional Authorization List Basic Issue Items Commercial and Government Entity Code Centimeters Components of End Item Corrosion Prevention and Control Common Table of Allowances Department of the Army End Item Code Equipment Improvement Recommendation Field Manual Hours Infrared Joint Table of Allowances Pounds Light Emitting Diode Light Interference Filter Marine Corp Publication Distribution System Monocular Night Vision Device Modified Table of Organization and Equipment Not Applicable Nuclear Biological and Chemical National Stock Number Pamphlet Personal Armor System Ground Troops Preventive Maintenance Checks and Services Quantity Recommended Required Standard Form The Army Maintenance Management System Table of Distribution and
52. ght room light not fluo rescent light by placing the lens cap on the objective lens Turn mon ocular ON and observe that the system cuts OFF within 70 30 seconds ken or missing IR source does not work If damaged refer to higher level of maintenance Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If 3 Before Battery Turn monocular OFF and then ON Cont After Cartridge to reenergize monocular Housing Cont NOTE If the monocular fails this high light cut off test it does not cause the end item to be non mission capable However it should be sent to higher level of maintenance as soon as possible Check gain control for free movement and operation per D D Knob is not free moving or does not vary gain Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If 4 Before Monocular Inspect for cracks or damage Cracks or After Scratches cracks chips and damage in the gouges are OK if operation is monocular affected 5 Before Eyepiece Lens Rotate diopter adjustment to make Binding not After sure the eyepiece lens moves moving freely or freely and is not loose Rangeis loose approximately 1
53. he MNVD rejectable Make sure any emission point is not simply a point light source in the scene you are viewing Emission points are acceptable if they do not interfere with the operator s ability to view the image or to perform the mission 3 Black Spots These are cosmetic blemishes in the image intensifier or dirt or debris between the lenses Black spots are acceptable as long as they do not interfere with viewing the image No action is required if this condition is present unless the spots interfere with the operator s ability to view the image or to perform the mission 2 32 4 Fixed Pattern Noise This is usually a cosmetic blemish characterized by faint hexagonal honeycomb pattern throughout the viewing area that most often occurs at high light levels or when viewing very bright lights see Figure 2 6 This pattern can be seen in every image intensifier if the light level is high enough This condition is acceptable as long as the pattern does not interfere with the operator s ability to view the image or to perform the mission Figure 2 6 Fixed Pattern Noise 2 33 b Chicken Wire irregular pattern of dark thin lines in the field of view either throughout the image or in parts of the image area sed Figure 2 7 Under the worst case condition these lines will form hexagonal or square wave shaped lines No action is required if this condition is present unless it interferes with the operator s ability to view
54. ified field of view Adjusts the system gain from a minimum value of approximately 25 to a maximum value greater than 3 000 Focuses objective lens Adjusts for sharpest image of viewed object Focuses eyepiece lens for use without the need for glasses Adjust for sharpest image of intensifier screen Adjusts the distance between your eye and the monocular Table 2 1 Monocular Controls and Indicator Continued CONTROLS AND FUNCTIONS INDICATORS Latch Latch used for separation of monocular from head mount helmet mount adapter Battery Polarity Indicators This feature molded into the battery cartridge shows the proper orientation of the batteries Some versions have a bubble molded into the top of the battery cartridge to show the for proper orientation 2 5 Section Il Preventive Maintenance Checks and Services PMCS 2 2 PREVENTIVE MAINTENANCE CHECKS AND SERVICES TABLE NOTE The unit maintenance tracks the system for when the 180 day service is due or any maintenance that is performed by either hard copy or automated If using an automated system such as SAMS or ULLS use the equivalent electronic form to track using the same procedure as for the hard copy DA Form 2404 2407 or DD Form 314 etc a General To ensure the readiness of the MNVD perform the preventive maintenance procedures in accordance with Table 2 2 prior to each mission Preventive maintenance procedures include inspection c
55. illimeters 0 06 Cu Inches 1 Kilogram 1000 Grams 2 2 lb 1 Cu Meter 1 000 000 Cu Centimeters 35 31 Cu Feet 1 Metric Ton 1000 Kilograms 1 Megagram 1 1 Short Tons TEMPERATURE 5 9 F 32 LIQUID MEASURE 212 Fahrenheit is evuivalent to 100 Celsius 1 Milliliter 0 001 Liters 0 0338 Fluid Ounces 90 Fahrenheit is equivalent to 32 2 Celsius 1 Liter 1000 Milliliters 33 82 Fluid Ounces 32 Fahrenheit is equivalent to 0 Celsius 9 5 32 F APPROXIMATE CONVERSION FACTORS TO CHANGE TO MULTIPLY BY Inches RE aes Centimeters 2 540 Feet Meters sioe 0 305 Yards c uv UA aw wa eis Meters eua rans Y IS 0 914 REINO 1 609 Square Inches Square Centimeters 6 451 Square Feet Square Meters 0 093 Square Square Meters 0 836 Square Miles Square Kilometers 2 590 ACTOS cu o Aime A SUE ie a Square Hectometers 0 405 Cubic Cubic Meters 0 028 Cubic Yards Cubic Meters 0 765 Fluid 29 573 arin Litersars shes eran 0 473 aris on oed e pA RASA Liters
56. ith water 13 Before Eye Relief Press the eye relief adjustment and Binding After Adjustment check for free motion Inspect for damaged or damage non operational slide mechanism 81 Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If HELMET MOUNT 14 Before Straps Inspect for cuts tears fraying holes Damage causes After cracks or defective fasteners straps to be unserviceable 15 Before Socket Inspect for dirt dust or corrosion Damaged latch After Insert monocular latch into socket to won t lock or is verify secure attachment of monocular too loose to helmet mount If necessary clean socket with water 16 Before Fore and Aft Press the 2 side buttons on plastic Binding After Adjustment mount or depress side lever on damaged or metal mount and check for free motion non operational Inspect for damage slide mechanism 61 Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If MOUNTING ADAPTERS 17 Before Headmount Inspect for dirt dust or corrosion Damaged will After Helmet Mount Insert into headmount or helmet not latch Adapter mount socket to verify secure Securely attachment 18 Before Weapon Mou
57. leaning and performance of the checkout procedures b Warnings and Cautions Always observe the WARNINGS and CAUTIONS appearing in the table Warnings and cautions appear before applicable procedures You must observe the warnings and cautions to prevent serious injury to yourself and others or to prevent your equipment from being damaged 2 6 c Explanation of Table Entries 1 Item Number Column Numbers in this column are for reference When completing Equipment Inspection Maintenance Worksheet include the item number for the check service indicating a fault Item numbers also appear in the order that you must do checks and services for the intervals listed 2 Interval Column This column tells you when you must do the procedure in the procedure column BEFORE procedures must be done before you operate or use the equipment for its intended mission DURING procedures must be done during the time you are operating or using the equipment for its intended mission AFTER procedures must be done immediately after you have operated or used the equipment 3 Location Check Service Column This column provides the location and the item to be checked or serviced The item location is underlined 4 Procedure Column This column gives the procedure you must do to check or service the item listed in the Check Service column to know if the equipment is ready or available for its intended mission or operation You must do the pr
58. mask 1 Place protective mask on your head per the instructions provided with the protective mask WARNING When installing the headmount over the protective mask be careful not to break the protective mask seal around your face 2 Install the headmount per the instructions in paragraph NOTE It may be necessary to remove the browpad Figure 2 10 when wearing the headmount over protective mask 2 50 2 15 INSTALLATION OF WEAPON MOUNT Perform the following procedure to install the weapon mount CAUTION The MNVD is not a weapon sight however it can be used in conjunction with a collimated dot sight or laser aiming device NOTE It is recommended that the eyecup be replaced with the eyeguard during weapon mounted use 1 Orient the monocular and weapon mount as shown in Figure 2 16 Be sure to align the alignment boss on the weapon mount with the alignment groove in the monocular 2 Screw in the thumbscrew to secure the monocular to the weapon mount 3 Loosen the clamping knob on the weapon mount Position the weapon mount with the monocular onto the weapon s mounting rail Tighten by turning the clamping knob 2 51 WEAPON MOUNT ALIGNMENT BOSS HIDDEN CLAMPING KNOB Figure 2 16 Weapon Mount Usage NOTE There is a ratchet in the weapon mount that prevents overtightening of the clamp Turn until the knob clicks 4 Check the position of the monocular by holding the weapon in your
59. mount or helmet mount socket and head mount helmet mount adapter to higher level of maintenance 5 5 Table 3 1 Operator s Troubleshooting Continued MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 10 11 12 13 14 Helmet mount will not tighten to helmet LIF will not thread in or obstruct view Compass does not illuminate Compass will not stay on the goggles Compass display is not clear Inspect mounting hardware for damage Check for dirt in threads Check for damaged LIF Visual Visual Visual If damaged refer to higher level of maintenance Clean threads If damaged refer to higher level of maintenance Refer to higher level of maintenance Refer to higher level of maintenance Make sure the monocular is focused for infinity If so and compass display is still not clear refer to higher level of maintenance 9 6 Table 3 1 Operator s Troubleshooting Continued MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 15 Monocular does not cut off when exposed to high light Visual Perform the following test under daylight or bright room light not fluorescent light Place the objective lens cap on the objective lens Turn monocular ON and observe that it cuts off within 70 30 seconds after energized Turn monocular OFF and then ON to reenergize monocular If damaged refer to higher le
60. n ON Replace batteries or install correctly If IR source still fails to activate refer to higher level of maintenance Refer to higher level of maintenance Refocus Clean lens surfaces per 5 5 Table 3 1 Operator s Troubleshooting Continued MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 5 Light visible around eyecup 6 Diopter adjustment cannot be made 7 Battery cartridge difficult to open Check eye relief distance Check eyecup for resiliency Check to see if the diopter adjustment is bent or broken Visually inspect for the presence of an o ring Check for damaged battery cartridge Readjust for proper eye relief distance If eyecup is defective refer to higher level of maintenance If damaged refer to higher level of maintenance If o ring is missing refer to higher level of maintenance If damaged refer to higher level of maintenance vt Table 3 1 Operator s Troubleshooting Continued MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 8 Head straps cannot be tightened 9 Headmount or helmet mount socket and headmount helmet mount adapter latch does not catch Check for defective buckles fasteners or straps Check socket or latch for dirt Check socket or latch for damage If damaged refer to higher level of maintenance Clean socket and latch If damaged return either head
61. ne Corps equipment 1 1 1 3 CORROSION PREVENTION AND CONTROL CPC Corrosion prevention and control of Army materiel is a continuing concern It is important that any problems with this equipment be reported so that the problem can be corrected and improvements made to prevent the problem in future equipment While corrosion is typically associated with rusting metal it can also include deterioration of other materials such as contacts injection molded plastic and foam inserts in the case Unusual cracking softening swelling or breaking of these other materials may be a corrosion problem If a corrosion problem is identified report it using Standard Form 368 Product Quality Deficiency Report Use keywords such as corrosion rust deterioration or cracking to ensure that the information is identified as a CPC problem Submit the form to the address specified in DA Pam 738 750 1 4 DESTRUCTION OF ELECTRONIC MATERIEL TO PREVENT ENEMY USE For procedures to destroy this equipment to prevent its use by the enemy refer to TM 750 244 2 Procedures for Destruction of Electronic Materiel to Prevent Enemy Use Electronics Command Marine users render the MNVD inoperable by smashing scattering or burying disassembled pieces burning or destroying by weapons fire 1 2 1 5 REPORTING EQUIPMENT IMPROVEMENT RECOM MENDATIONS EIR If your equipment needs improvement let us know Send us an EIR You the user are the only
62. nt Inspect for dust dirt or corrosion Damaged will After not mount to monocular or will not mount to rail 0c c Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If ACCESSORIES CAUTION The coating on the demist shield can be damaged if cleaned while wet or if cleaned with wet lens paper Clean only when the demist shield is dry and only with dry paper 19 Before Demist Shield Inspect for dirt dust scratches or Damage or After damage If necessary clean when scratches hinder shield is dry and with dry lens tissue vision with only monocular on Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If 20 Before LIF Inspect for dirt dust scratches or Damage or After damage If necessary clean per scratches hinder baragrap vision with monocular on 21 Before Sacrificial Window Inspect for dirt dust scratches or Damage or After damage If necessary clean per scratches hinder vision with monocular on 22 Before Compass Inspect for dirt dust scratches or Damaged or After damage If necessary clean with compass is not water and dry with lens tissue Install compass and turn on monocular When the illumination b
63. ocedure at the time stated in the interval column 5 Not Fully Mission Capable If Column Information in this column tells you what faults will keep your equipment from being capable of performing its primary mission If you make check and service procedures that show faults listed in this column do not operate the equipment Follow standard operating procedures for maintaining the equipment or reporting equipment failure 2 7 d NOTE Damaged accessory items sacrificial window demist shield compass do not cause the entire end item to be not full mission capable However the damaged item should be replaced as soon as practical to restore full capability of the System Other Table Entries Be sure to observe all special information and notes that appear in your table 2 8 6 Table 2 2 Preventive Maintenance Checks and Services for the MNVD Location Not Fully Item Check Mission No Interval Service Procedure Capable If 1 Before Maintenance Open carrying case inventory Forms and items and check for Records Previously recorded faults on Fault not maintenance records corrected DA Form 2404 MONOCULAR 2 Before Optical Inspect all lenses objective Scratches or After Surfaces eyepiece IR lens and high light heavy scratches cut off window for dirt fingerprint residue chips or cracks If necessary clean and dry lenses with water and lens tissue that hinder
64. ort SF 368 Recommended Changes to DA 2028 Publications and Blank Forms A 3 FIELD MANUALS First Aid for Soldiers FM 21 11 4 TECHNICAL MANUALS Operator s and Unit Maintenance TM 11 5855 299 12 amp P Manual including Repair Parts and Special Tools List for Test Set Electronic Systems TS 4348 UV Procedures for Destruction of TM 750 244 2 Electronic Materiel to Prevent Enemy Use Electronics Command APPENDIX REFERENCES Continued A 5 MISCELLANEOUS PUBLICATIONS Army Medical Department CTA 8 100 Expendable Durable Items Consolidated Index of Army DA Pam 25 30 Publications and Blank Forms Expendable Durable Items Except CTA 50 970 Medical Class V Repair Parts and Heraldic Items The Army Maintenance Management DA Pam 738 750 System TAMMS A 6 MARINE CORPS USE Equipment Record Procedures TM 4700 15 1 Marine Corps Publication Distribution MCPDS System Recommended Changes to NAVMC 10772 Publications Logistics Maintenance Data Coding APPENDIX COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS BII LISTS INTRODUCTION B 1 SCOPE This appendix lists COEI and BII for the AN PVS 14 to help you inventory items for safe and efficient operation of the equipment B 2 GENERAL The COEI and BII information is divided into the following lists Components of End COEI This list is for information purposes only and is not authority to requisition replacements These items are part of th
65. res HELMET MOUNT BRACKET CATCH BUCKLE LEVER STRAP x REAR BRACKET Figure 2 12 Installation of Helmet Mount 2 Press the release Figure 2 13 to remove the mount from the helmet mount bracket 2 45 EDGE HELMET STRAP OF MOUNT MOUNT BRACKET MOUNT KEEPER RELEASE MOUNT IS ROTATED 90 FOR CLARITY Figure 2 13 Helmet Mount 3 Make sure the strap is laced onto the helmet mount bracket as shown ir Figure 2 12 4 With catch see Figure 2 12 in forward most position place the strap over the top of the helmet center see Figure 2 13 5 Hook the rear bracket see Figure 2 12 on the center of the back of the helmet and lay the strap with helmet mount bracket over the top of the helmet 6 Hook the helmet mount bracket in the center of the front lip of the helmet and hold it in place see Figure 2 13 7 With the buckle lever open take up the slack in the strap using the catch Close the buckle lever 2 46 8 Disengage the strap latch the left side of strap 9 Don the helmet Do not fasten the helmet chinstrap 10 Engage the nape strap at the nape strap latch Tension the nape strap for a stable fit then install and tension the helmet chinstrap The brow of the helmet should be parallel to the ground and the helmet stable on the head 11 Insert the top edge of the mount under the keeper on the helmet mount br
66. s 2 65 CAUTION You will get inaccurate readings when using the compass on any head or helmet mount with the magnet still installed Only the magnet on the metal mount can be removed without causing damage to the equipment se _ paragraph 2 16 NOTE e compass reading is the magnetic North not true North e compass reading is within 2 of correct absolute magnetic bearing Compass readings with mounted monocular head mount or helmet mount can be up to 15 of correct absolute magnetic bearing This occurs mostly in the East 90 to West 270 and less in the North 360 to South 180 reading If the compass is inadvertently magnetized this could cause an additional 15 error e objective lens focus can be fine tuned after installation but in order to obtain an accurate reading the compass must be vertical The compass image must be level 1 Install pet paragraph 2 16 2 If necessary to more clearly view your distant object adjust the objective lens focus slightly by gripping the compass and turning clockwise 2 66 Increase brightness slowly Excessive brightness may burn a temporary image into the image intensifier Do not increase brightness any more than is necessary to clearly read the compass heading e monocular must be focused at or near infinity for proper compass operation 3 To view the compass through the monocular grip the compass with
67. stic d Headmount Helmet Mount Adapter This item is attached to the monocular to allow its use with the headmount or helmet mount It allows mounting in front of the left or right eye e Weapon Mount The weapon mount adapts the monocular to the receiver rail as configured for the modular weapon system kit f Carrying Case carrying case is provided for transportation and protection of the monocular headmount batteries and accessories Two slide keepers are provided for belt attachment and three D rings for shoulder and leg strap attachment A carrying case strap is also provided which can be attached to the two D rings on the back of the carrying case g Shipping and Storage Case The MNVD is supplied in a shipping and storage case Figure 1 1 1 12 EQUIPMENT DATA The following tables provide information pertaining to the operational electrical mechanical optical and environmental characteristics for the monocular Table 1 2 Operator Adjustment Limits ITEM LIMITS Diopter Focus 2 to 6 diopters Objective Focus 25 cm to infinity Table 1 3 Electrical Data ITEM DATA Power Source Battery 1 5 Vdc max ea Battery Requirements 2 AA Alkaline or 2 AA 1 5 Vdc Lithium L91 Table 1 4 Mechanical Data ITEM CHARACTERISTICS Shipping and Storage Case Size Approx 14 X 9 5 X8 Weight 2 4 Ibs Carrying Case Size Approx 14 X 8 Monocular see Note Weight 14 ounces
68. such as coins keys etc Metal objects can cause the batteries to short circuit and become very hot 2 Packaging After Use a Remove battery cartridge and remove batteries b Inspect the battery housing for corrosion or moisture Clean and dry if necessary c Replace the battery cartridge d Remove the demist shield or sacrificial window if installed Install objective lens cap NOTE Prior to placing MNVD into carrying case ensure MNVD and case are free of dirt dust and moisture The monocular and helmet mount should not be left on the helmet when the helmet is removed 2 69 e Refer to Figure 1 1 for proper placement of demist shield batteries carrying case strap lens paper sacrificial window manual LIF browpads headmount helmet mount headmount helmet mount adapter and weapon mount f Place the monocular into the shallow pocket of the carrying case g Place the carrying case into the shipping and storage case close and latch Figure 1 1 h Return to storage area Section V Operation Under Unusual Conditions 2 27 OPERATION IN DUSTY OR SANDY AREAS CAUTION Operation in dusty or sandy areas can pit and scratch the optical elements and damage the mechanical components unless the precautions given below are observed 1 Ensure that the sacrificial window is in place over the LIF 2 Avoid pointing the monocular into the wind unless necessary for operation 3 Keep the
69. t return it to maintenance for repair The operator must document resolution failures on the maintenance record 2 25 GROUP NUMBER ELEMENT NUMBERS 5 zi 0 READ THIS FOR LOW LIGHT RESOLUTION 6 FOR MNVD 1 READ THIS NOTE The target shown FOR HIGH LIGHT is for example RESOLUTION only and is not FOR MNVD drawn to scale Figure 2 2 TS 4348 UV Test Set Pattern 2 26 For a pattern to be resolvable three vertical bars and three horizontal bars must be visible 8 Flip the HIGH LOW switch to the HIGH position 9 Again look through the monocular and view the projected pattern see Eigure 2 20 If necessary refocus the objective lens and then the eyepiece lens to obtain the sharpest image 10 The MNVD must be able to resolve Group 3 Element 5 under high light conditions to pass the test If the monocular does not pass the test send it to a higher level of maintenance for repair NOTE When using the TS 4348 UV Test Set you are not viewing the entire image intensifier Therefore operational and cosmetic inspections must be done without the test set as specified in paragraph 2 4 11 Look for flashing flickering or other nonstable behavior of the image intensifier Also check the image intensifier for other operational defects described To view the image intensifier under low light conditions flip the HIGH LOW switch to the LOW position and allow
70. ting rail The brightness control for the aiming device should be set at or near it s minimum setting Perform the following procedures for weapon mounted operation 1 Ensure that the batteries are installed paragraph 2 6 pm Assemble the weapon mount to the monocular per paragraph 2 15 steps 1 and 2 3 Mount the monocular with adapter onto the M16 M4 receiver rail per paragraph 2 15 steps 3 and 4 4 Rotate the diopter adjustment for the clearest view of the image intensifier screen b Adjust the objective lens focus while observing an object until the sharpest image is obtained 2 64 2 22 IR SOURCE OPERATIONS WARNING The IR source is a light that is invisible to the unaided eye for use during conditions of extreme darkness However the light from the IR source can be detected by the enemy using night vision devices NOTE The purpose of the IR source is for viewing at close distances up to 3 meters when additional illumination is needed 1 Pull the power switch knob out and rotate clockwise to the IR position With the monocular held to the eye observe that a red light appears in the eyepiece This indicates that the IR source is operating 2 For momentary IR turn the power switch clockwise without pulling past the ON position Observe that a red light appears in the eyepiece 2 23 OPERATION WITH COMPASS WARNING The compass illuminator can be seen by others using night vision device
71. truction of Electronic Materiel to Prevent Enemy Use Reporting Equipment Improvement Recommendations EIR Warranty Information Nomenclature Cross Reference List List of Abbreviations and Acronyms Glossary Equipment Characteristics Capabilities and Features Location and Description of Major Components Equipment Data Principles of Operation Mechanical Functions Optical Functions Electronic Circuit Function a HB 2559 9 TABLE CONTENTS Continued Paragraph Title CHAPTER2 OPERATING INSTRUCTIONS Section Description and Use of Operators Controls and Indicators 2 1 Operator Controls and Indicators Section Il Preventive Maintenance Checks and Services PMCS Preventive Maintenance Checks and Services Table 2 3 Resolution Check Using the TS 4348 UV Test Set 2 4 Inspection Criteria for Proper Image Intensifier Operation Section Ill Assembly and Preparation for Use 2 5 Unpacking 2 6 Installation of Batteries 2 7 Installation of Eyecup or Eyeguard 2 8 Installation of Demist Shield 2 9 Installation of Sacrificial Window Installation of LIF 2 11 Installation and Adjustment of Headmount 2 12 Installation of Headmount Helmet Mount Adapter BERBER ER BABB TABLE CONTENTS Continued Paragraph 2 13 2 14 2 16 Section IV 2 19 2 20 2 22 2 23 2 24 2225 2226 Section V 2 27 2 28 2 30 Title Installation of Helmet
72. tt Sa oe E aneia 1 057 T eli uiis es vedi prende 0 264 I8 cue RE EDIT TA OUNCES cose Ive ie ee 0 035 Pounds ur er ves 2 205 Metric Short 1 102 Pounds Feet 0 738 Pounds per Square Inch 0 145 9 ometers per Liter Miles per Gallon 2 354 meters per Hour Miles per Hour 0 621 076057 000
73. utton is depressed compass should be visible visible Table 2 2 Preventive Maintenance Checks and Services for the MNVD Continued Location Not Fully Item Check Mission No Interval Service Procedure Capable If 23 Before 3X Magnifier Inspect optical surface for dirt dust Damage or After Additional scratches or cracks scratches hinder Authorized Item vision CARRYING CASE 24 Before Case Remove all items and shake out loose After dirt or foreign material Inspect for tears cuts excess wear or damage to mounting clips 25 Before Shoulder Strap Inspect for cuts tears or excess wear After or damaged clips During None 2 3 TEST SET NOTE The TS 4348 UV Test Set can be used by the operator to check the resolution of a monocular at any time NOTE The TS 4348 UV Test Set can be used by Direct Support Intermediate Level to perform the resolution testing 180 Day Service If a system fails it must be tested on the TS 3895A UV Test Set NOTE Verify the resolution of the monocular using the TS 4348 UV Test Set at every opportunity The resolution cannot be accurately measured without the test set RESOLUTION CHECK USING THE TS 4348 UV The following procedures are designed to check the performance of the image intensifier a Setup Before using the TS 4348 UV Test Set refer to TM 11 5855 299 12 amp P to set up and familiarize yourself
74. ve lens 6 Referto paraaraph 2 23 operation of the compass 2 54 Figure 2 18 Compass Installation 2 17 INSTALLATION OF 3X MAGNIFIER The 3X magnifier can be threaded directly into the objective lens with the LIF removed It can also be threaded into the focus ring adapter and slipped on over the end of the objective lens with the LIF installed Figures 2 19 2 20 illustrate these installation procedures 2 55 THREAD DIRECTLY INTO OBJECTIVE LENS AS SHOWN Figure 2 19 3X Magnifier Installation without LIF FOCUS RING ADAPTER 3X MAGNIFIER THREAD 3X MAGNIFIER INTO FOCUS RING ADAPTER Figure 2 20 3X Magnifier Installation with LIF Section IV Operating Procedures This section contains operating procedures for using the MNVD as hand held head mounted or helmet mounted monocular Prior to operating the monocular make certain that all the steps in Section Assembly and Preparation for Use have been read and performed 2 18 HAND HELD OPERATION CAUTION Operate the monocular only under darkened conditions or use the objective lens cap to cover the objective lens for daylight conditions NOTE When using the monocular without a mounting device make sure to place the neck cord around your neck 1 Ensure that the batteries are installed pel paragraph 2 6 2 Turn the power switch to ON NOTE The sharpest image will be observed only when the objective lens and eyepiece lens
75. vel of maintenance Section Ill Operator s Maintenance Procedures 3 2 CLEANING THE MNVD CAUTION e monocular is a precision electro optical instrument and must be handled carefully Do not scratch the external lens surfaces or touch them with your fingers Wiping demist shield with lens paper while wet or with wet lens paper can damage the coating Clean monocular with water if necessary and dry thoroughly Clean lenses with lens paper and water if necessary except for the demist shield 3 3 HEADMOUNT MAINTENANCE Browpad Replacement Replace the browpad when cracked torn or contaminated Perform the following procedures to remove and replace the browpad 1 Firmly grasp the headmount and remove the old browpad 2 Gently press on the new browpad Lightly smooth out any wrinkles in the new browpad 3 7 b Pad Reinstallation During operation of the MNVD it is possible for the neck pad to become separated from its position on the headband Perform the following procedure to reinstall the neck pad 1 Lift the upper headband strap retention tab see allowing the neck pad strap to be inserted underneath 2 Slip the neck pad strap all the way under the upper strap retention tab and then pull the lower part of the neck pad strap under the lower strap retention tab NECK PAD STRAP UPPER STRAP RETENTION TAB LOWER STRAP RETENTION TAB Figure 3 1 Reinstalling
76. with its operation and the warnings and cautions associated with that test equipment 2 23 e resolution test must be performed darkened area Your eyes must be dark adapted to perform this test Review the following test procedure before entering the dark area e Expect cosmetic blemishes such as chicken wire black spots and fixed pattern noise to stand out while viewing through the TS 4348 UV Test Set when it is on the high light level This is acceptable e rejection of any MNVD for cosmetic defects must be based on an outdoor evaluation and not the TS 4348 UV Test Set b Low Light and High Light Resolution Test Procedure Test the monocular for low light and high light resolution performance according to the following steps 1 Place the HIGH LOW switch on the test set to the LOW position 2 Install the LIF per paragraph 2 10 3 Turn off the room light and let your eyes adjust to the dark 4 Turn on the test set by setting the switch to the III position 5 Turn on the monocular and insert it into the test port on the test set 2 24 6 Look through the monocular and view the projected pattern sed Figure 2 2 If necessary focus the eyepiece lens and then the objective lens to obtain the sharpest image 7 The MNVD monocular must be able to resolve Group 2 Element 2 under low light conditions to pass the test If the MNVD does not pass the tes
77. your eyes to become accustomed to the dark any unacceptable conditions are noted send to higher level of maintenance for repair 2 27 2 4 INSPECTION CRITERIA FOR PROPER IMAGE INTENSIFIER OPERATION a General As directed in the Preventive Maintenance Checks and Services table image intensifier operation must be checked before each mission This section provides information for the operator concerning what to look for how to look for it and how to determine if the MNVD should be returned to the maintainer The operator Army only must record all conditions on the appropriate maintenance forms and describe the specific defects and sign it so the maintainer can take corrective action CAUTION Perform the following inspection in the dark To perform this inspection attach the monocular to the headmount as described in paragraph 2 6h and turn the power switch to the ON position Look through the monocular and view the image There are two groups of defects you may encounter operational defects and cosmetic blemishes Operational defects are an immediate cause to reject the MNVD Cosmetic blemishes are not a cause for rejection unless they become severe enough to interfere with the ability to perform the mission The rejection of any MNVD for cosmetic defects must be based on an outdoor evaluation and not the TS 4348 UV Test Set b Operational Defects These defects relate to the reliability of the image intensifier

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