Armasight NAMPVS1401F9DA1 User Manual

6015/PVS-14
Night Vision Monocular
OPERATION AND
MAINTENANCE MANUAL
Impor tant Export Res trictions ! Co mmodities, produ cts, tech­nologi es and ser vices of thi s manu al are contro lled by the U.S. Depar tment o f State Oce of D efense Trade Controls, in accor­dance with International Trac in Arms (ITAR), Title 22, Code of Federal Regulati ons Part 120-130 and/or by the Expor t Adminis­tration Re gulations (EAR) of U.S. Depar tment of Commerce. At any time whe n a license or a wri tten approval o f the U.S. Govern ment is app licable to it, it i s illegal and stric tly forbidd en to exp ort, in­tend to export, tr ansfer in any other manner w hatsoever, sel l any hardwar e or technical da ta, provide any a ssociated ser vice to any non-U. S. r esident, beyond or within the United States territory, until th e valid lice nse or writ ten approval has been i ssued by the Depar tments of th e U.S. Gover nment h aving j urisdiction . Addi ­tionall y U.S. law prohibits the sale, transfer, o r export of items to certai n restri cted parties, des tinations, and embar goed countries, as iden tied on lis ts maintaine d by the U.S . Departm ent of State, the U.S. Department of Commerce, and t he U.S. Depar tment of Treasury. It i s the responsib ility of the Customer to be aw are of these lis ts. The sale, tran sfer, transport ation, or shipme nt out­side of the U.S. of any product prohibited o r restricte d for expor t without complying with U. S. export c ontrol laws and re gulations, includin g prope r expor t licen sing, do cumentation or au thoriza­tion, is unlaw ful and may result in civil and/or cr iminal pen alties and/or constitute a fe deral cri me. Diver sion cont rary to U.S. law is stric tly prohibited .
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SAFETY SUMMARY
Before operating this product, carefully read and study this Operation and Maintenance Manual.
The PVS-14 and 6015 is a precision electron-optical instrument, and requires careful handling. To avoid damage to the equipment or physical harm to the user when operating the PVS-14 and 6015, follow all WARNINGS, CAUTIONS and NOTES.
Below you will nd denitions of the following alerts that appear throughout this Manual:
WARN ING — Identies a clear danger to the person operating the equipment.
CAUTION – Identies risk of damage to the equipment.
NOTE – Serves to highlight essential procedures, conditions, and statements, or convey important in-
structional data to the user.
WARNING:
This product contains natural rubber latex which may cause allergic reactions! The FDA
has reported an increase in the number of deaths that are associated with an apparent sensitiv­ity to natural latex proteins. If you are allergic to latex, it is a good idea to learn which products contain it and strictly avoid exposure to those products.
WARNINGS:
Toxic Material
The image intensier’s phosphor screen contains toxic materials.
• If an image intensier 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.
• If the phosphor screen material contacts your skin, wash it o 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.
WARNINGS:
• The monocular will not be turned o automatically when ipped up. The monocular must be turned o by the power switch.
• The compass illuminator can be seen by others using night vision devices.
• Do not use contaminated eyecup or eyeguard. They must be replaced.
• When installing the headmount over the protective mask, be careful not to break the protec-
tive mask seal around your face.
The information provided in this manual is for familiarization purposes only; the contents may undergo further changes with no commitment by Armasight© to notif y customers of any updates. Armasight© assumes no responsibility for any misprints or other errors that this manual may contain. ©2012 by Armasight. All rights reserved.
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CAUTION:
• The PVS-14 and 6015 are precision optical instruments and must be handled carefully at all
times to prevent damage.
• Be careful when leaving the helmet mount in the ipped up position or removing the helmet
mount from the helmet, damage can result.
• Do not scratch the external lens surfaces or touch them with your ngers.
• Wiping demisting shield with lens paper while wet or with wet lens paper can damage the
coating.
• To protect the image intensier, keep the lens cap on the objective lens when the monocular
is not in use or when checked out in daylight conditions.
• The IR illuminator is the light that is invisible to the unaided eye for use during conditions of
extreme darkness. However, the light from the illuminator can be detected by others when us­ing night vision devices.
• If you use the rubber eyecaps for a long period of time, you may suer skin inammation. If you
develop any symptoms, consult a doctor immediately.
NOTES:
To avoid physical and equipment damage when using the PVS-14 and 6015, carefully read and understand the following safety precautions.
• The equipment requires some night light (moonlight, starlight, etc.) to operate. The level of
performance depends upon the level of light.
• Night light is reduced by passing cloud cover, while operating under trees, in building shad­ows, etc.
• The equipment is less eective viewing into shadows and other darkened areas.
• The equipment is less eective through rain, fog, sleet, snow or smoke.
• The equipment will not “see” through dense smoke.
• At operating temperatures below -20°C (-4°F), alkaline batteries are not recommended, as
operating life will be severely reduced. Lithium-iron disulde 1.5V AA batteries or equivalent
should be used below -20°C (-4°F).
• The purpose of the illuminator is to view at close distance up to 3 meters when additional il-
lumination is needed.
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LIST OF CONTENTS
TITLE PAGE
Safety Summary 2 List of Contents 4 List of Figures 5 How to Use This Manual 6
1. INTRODUCTION 7
1.1 General Information 7
1.1.1 Type of Manual 7
1.1.2 Model Number and Equipment Name 7
1.1.3 Purpose of Equipment 7
1.1.4 Reporting Equipment Improvement Recommendations 7
1.2 Warranty Information and Registration 8
1.2.1 Warranty Information 8
1.2.2 Limitation of Liability 8
1.2.3 Product Warranty Registration 8
1.2.4 Obtaining Warranty Service 9
1.3 Cross References 9
1.4 List of Abbreviations 10
1.5 Glossary 11
2. DESCRIPTION AND DATA 13
2.2 Equipment Description 13
2.2.1 Equipment Characteristics, Capabilities, and Features 13
2.2.2 Location and Description of Major Components 13
2.2.3 Equipment Data 16
2.3 Principles of Operation 17
2.3.1 Mechanical Functions 17
2.3.2 Optical Functions 17
2.3.3 Electronic Circuit Function 18
3. OPERATING INSTRUCTIONS 19
3.1 Description and Use of Operator’s controls and indicators 19
3.1.1 Operator Controls and Indicators 19
3.2 Preventive Maintenance Checks and Service s (PMCS) 21
3.2.1 Preventive Maintenance Checks and Services 21
3.2.2 Resolution Check Using the TS-4348/UV Test Set 25
3.2.3. Inspection Criteria for Proper Image Intensier Operation 27
3.3 General Information 30
3.3.1 Unpacking 30
3.3.2 Installation of Batter y 30
3.3.3 Installation of Eyecup Or Eyeguard 31
3.3.4 Installation of Demist Shield 31
3.3.5 Installation of Sacricial Window 32
3.3.6 Installation and Adjustment of Headmount 32
3.3.7 Installation of Headmount/Helmet Mount Adapter 33
3.3.8 Installation of Helmet Mount to Helmet 33
3.3.9.Installation of Headmount with Protective Mask 34
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3.3.10 Installation of Weapon Mount 35
3.3.11 Installation of Compass Caution 36
3.3.12 Installation of 3x Magnier 37
3.4 Operating Procedures 37
3.4.1 Hand-Held Operation 37
3.4.2 Head Mounted Operation 38
3.4.3 Helmet Mounted Operation 39
3.4.4 Weapon Mounted Operation 41
3.4.5 IR Source Operations 41
3.4.6 Operation with Compass 41
3.4.7 Operation with 3x Magnier 43
3.4.8 Operation with Gain Control 43
3.4.9 Preparation for Storage 43
3.5 Operation under Unusual Condition 44
3.5.1 Operation in Dusty or Sandy Areas 44
3.5.2 Operation in Rainy or Humid Conditions 44
3.5.3 Operation in Salt Water Areas 44
3.5.4 Operation in Nuclear, Biological and Chemical (NBC) Environments 44
4. MAINTENANCE INSTRUCTIONS 45
4.1 Lubrication Instructions 45
4.2 Troubleshooting Procedures 45
4.2.1. Troubleshooting 45
4.3. Operator ’s Maintenance Procedures 46
4.3.1 Cleaning the MUNVM 46
4.3.2 Headmount Maintenance 47
4.3.3 Neck Cord Maintenance 48
4.4 Service/Packing and Unpacking 48
4.4.1 Return Instructions 48
APPENDIX 49 A. Components of End Item (COEI) and Basic Issue Items (BII) Lists 49 B. Additional Authorization List (AAL) 51 C. Expendable and Durable Items List 52 D. Product Warranty Registration Card 53 Alphabetical Index 55
LIST OF FIGURES
FIGURE TITLE PAGE
2-1. Components of NVMPS 14
2-2. 3X Magnier and Compass for PVS-14/6015 14
2-3. Shipping and storage cases for PVS-14/6015 15
2-4. Multi-Use Night Vision Monocular 15
2-5. Mechanical Functions for the NVMPS 17
2-6. Optical Function Diagram 17
3-1. Monocular Controls and Indicators 19
3-2. TS-4348/UV Test Set Pattern 26
3-3. Shading 27
3-4. Edge Glow 28
3-5. Bright Spots and Emission Points 28
3-6. Fixed-Pattern Noise 29
3-7. Chicken Wire 29
3-8. Battery, Eyecup and Eyeguard Installation 31
3-9. MUNVM Headmount Adjustments 32
3-10. Headmount/Helmet Mount Adapter Installation 33
3-11. Installation of Helmet Mount 34
3-12. Helmet Mount 34
3-13. Reassembly of Helmet Mount 34
3-14. Weapon Mount Usage 35
3-15. Locating the Magnet 36
3-16. Compass Installation 36
3-17. 3X Magnier Installation 37
3-18. 3X Magnier Installation with Focus Ring Adapter 37
3-19. Headmount/Helmet Mount Adapter Operation 38
3-20. Tilt and Flip-up Assembly Mechanisms 40
3-21. View Through Installed Compass 42
3-22. Gain Control 43
4-1. Reinstalling the Neck Pad 47
4-2. Threading the Sliding Bar Buckles 47
A-1. Components of End Item 50
HOW TO USE THIS MANUAL
USAGE
You must familiarize yourself with the entire manual before operating the equipment. Before perform­ing any kind of maintenance on your device, read the section on maintenance in its entirety. Follow all WARNINGS, CAUTIONS, and NOTES.
MANUAL OVERVIEW
This manual contains sections on Operating and Maintaining the PVS-14 or 6015 Night Vision Monocu­lar.
The Components of End Item (COEI) and Basic Issue Items (BII) Lists can be found in Appendix A. TheAdditional Authorization List (AAL) can be found in Appendix B. The Expendable and Durable Items List can be found in Appendix C. The Product Warranty Registration Card can be found in Appendix D.
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INTRODUCTION
1.1 GENERAL INFORMATION
1.1.1 TYPE OF MANUAL
Operation and Maintenance.
1.1.2 MODEL NUMBER AND EQUIPMENT NAME
PVS-14 Multi-Use Night Vision Monocular. 6015 Multi-Use Night Vision Monocular.
1.1.3 PURPOSE OF EQUIPMENT
To provide the operator with the ability to observe at night under moonlight and starlight con­ditions.
The PVS-14 or 6015 can be used as a handheld, head-mounted, helmet-mounted or weapon-mounted device to allow walking, weapon ring, short-range surveillance, map reading, vehicle maintenance, and administering of rst aid.
1.1.4 REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS
Recommendations from the user for improvements to the device are encouraged. Mail your comments to Armasight Inc., 815 Dubuque Avenue, South San Francisco, CA 94080, USA. Or, send an email to info@armasight.com.
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1.2 WARRANTY INFORMATION AND REGISTRATION
1.2.1 WARRANTY INFORMATION
This product is guaranteed to be free from manufacturing defects in material and workmanship under normal use for a period of two (2) years from the date of purchase. In the event that a defect covered by the below warranty occurs during the applicable period stated above, Armasight, at its discretion, will either repair or replace the product; such action on the part of Armasight shall be the full extent of Armasight’s liability, and the Customer’s sole and exclusive reparation. This warranty does not cover a product if it has (a) been used in ways other than its normal and customar y manner; (b) subjected to misuse; (c) subjected to alterations, modications or repairs by the Customer of by any party other than
Armasight without prior written consent of Armasight; (d) special order or “close-out” merchandise or merchandise sold “as-is” by either Armasight or the Armasight dealer; or (e) merchandise that has
been discontinued by the manufacturer and either parts or replacement units are not available due to reasons beyond the control of Armasight. Armasight shall not be responsible for any defects or dam­age that in Armasight’s view are a result from the mishandling, abuse, misuse, improper storage or improper operation of the device, including use in conjunction with equipment that is electrically or mechanically incompatible with, or of inferior quality to, the product, as well as failure to maintain the environmental conditions specied by the manufacturer. CUSTOMER IS HEREBY NOTIFIED THAT OPER­ATION OF THE EQUIPMENT DURING DAYLIGHT HOURS OR UNDER ANY EXCESSIVE LIGHT CONDITIONS MAY PERMANENTLY DAMAGE THE INTERNAL COMPONENTS OF THE UNIT AND SAID DAMAGE WILL NOT BE COVERED UNDER THIS WARRANTY. This warranty is extended only to the original purchaser. Any breach of this warranty shall be enforced unless the customer noties Armasight at the address noted below within the applicable warranty period.
The customer understands and agrees that except for the foregoing warranty, no other warranties written or oral, statutory, expressed or implied, including any implied warranty of merchantability or tness for a particular purpose, shall apply to the product. All such implied warranties are hereby and expressly disclaimed.
1.2.2 LIMITATION OF LIABILITY
Armasight will not be liable for any claims, actions, suits, proceedings, costs, expenses, damages or liabilities arising out of the use of this product. Operation and use of the product are the sole responsi­bility of the Customer. Armasight’s sole undertaking is limited to providing the products and services outlined herein in accordance with the terms and conditions of this Agreement. The provision of prod­ucts sold and services performed by Armasight to the Customer shall not be interpreted, construed, or regarded, either expressly or implied, as being for the benet of or creating any obligation toward any third party of legal entity outside Armasight and the Customer; Armasight’s obligations under this Agreement extend solely to the Customer. Armasight’s liability hereunder for damages, regardless of the form or action, shall not exceed the fees or other charges paid to Armasight by the customer or customer’s dealer. Armasight shall not, in any event, be liable for special, indirect, incidental, or conse­quential damages, including, but not limited to, lost income, lost revenue, or lost prot, whether such damages were foreseeable or not at the time of purchase, and whether or not such damages arise out of a breach of warranty, a breach of agreement, negligence, strict liability or any other theory of liability.
1.2.3 PRODUCT WARRANTY REGISTRATION
In order to validate the warranty on your product, Armasight must receive a completed Product War­ranty Registration Card for each unit, or the Customer can complete a warranty registration on our website, at www.armasight.com. Please complete the included form (Appendix D) and immediately mail it to our Service Center:
Armasight Inc. 815 Dubuque Avenue South San Francisco CA 94080 United States of America.
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1.2.4 OBTAINING WARRANTY SERVICE
To obtain warranty service on your unit, the End-user (Customer) must notif y the Armasight service department via email. Send any requests to ser vice@armasight.com to receive a Return Merchandise Authorization number (RMA). When returning any device, please take in the product to your retailer, or send the product, postage paid and with a copy of your sales receipt, to Armasight Corporation’s ser­vice center at the address listed above. All merchandise must be fully insured with the correct postage; Armasight will not be responsible for improper postage or merchandise that becomes lost or damaged during shipment. When sending product back, please clearly write the RMA# on the outside of the shipping box. Please include a letter that indicates your RMA#, the Customer’s Name, a Return Address, reason for the return, Contact information (valid telephone numbers and/or an e-mail address), and proof of purchase that will help us to establish the valid start date of the warranty. Product merchan­dise returns that do not have an RMA# listed may be refused, or a signicant delay in processing may occur. Estimated Warranty service time is 10-20 business days. The End-user/ Customer is responsible for postage to Armasight for warranty service. Armasight will cover return postage/ shipping after war­ranty repair to the End-user/ Customer only if the product is covered by the aforementioned warranty. Armasight will return the product after warranty service by domestic UPS Ground service and/ or do­mestic mail. Should any other requested, required or international shipping methods be necessary, the postage/ shipping fee will be the responsibility of the End-user/ Customer.
1.3 CROSS REFERENCES
COMMON NAME OFFICIAL NAME
Allen Wrench Socket Head Screw Key
Battery Compartment Battery Box Cover
Shipping Case Textile Bag
Cotton Swab Disposable Applicator
Neoprene Jack Plug Plug Assembly
O-Ring Gasket
Safety Screw Electrical Dial-Knob Lock
Pattern Generator Optical Instrument Reticle
Lens Covers Exit Port Covers
Paddle Switch Remote Cable Switch
Batteries AA
Technical Manual Operator and Field Maintenance Manual
Tape Fastener Loop Fastener, Loop Tape
Tape Fastener Hook Fastener, Hook Tape
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1.4 LIST OF ABBREVIATIONS
AAL Additional Authorization List BII Basic Issue Items CAGEC Commercial and Government Entity Code cm Centimeters COEI Components of End Item CPC Corrosion Prevention and Control­CTA Common Table of Allowances­DA Department of the Army EIC End Item Code EIR Equipment Improvement Recommendation FM Field Manual Hrs Hours IR Infrared JTA Joint Table of Allowances lbs Pounds LED Light Emitting Diode MUNVM Multi-Use Night Vision Monocular NVMPS Night Vision Multi-Purpose System MTOE Modied Table of Organization and Equipment­N/A Not Applicable NBC Nuclear, Biological, and Chemical NSN National Stock Number Pam Pamphlet PASGT Personal Armor System Ground Troops PMCS Preventive Maintenance Checks and Services Qty Quantity Recm Recommended Rqr Required SF Standard Form TDA Table of Distribution and Allowances­TM Technical Manual TOE Table of Organization and Equipment­U/M Unit of Measure Vdc Volts, direct current
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1.5 GLOSSARY
BLACK SPOTS. These are cosmetic blemishes in the image intensier of the MUNVM or dirt or debris
between the lenses.
BRIGHT SPOTS. These defects can appear in the image area of the MUNVM. This condition is caused by
a aw in the lm on the microchannel plate. A bright spot is a small, nonuniform, bright area that may icker 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 t dierent
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 eld-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 ver y 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 under low light conditions.
DIOPTER. A unit of measure used to dene eye correction. Adjustments to the diopter adjustment will
provide a clearer image in each eye.
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 uctuating 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 ber optics and can be seen in every image intensier if the light level is high enough.
FLASHING. This is a defect in the image area of the monocular. The image appears to icker or ash.
FLICKERING. See “ashing.”
GAIN. This is the number of times a night vision device amplies light input.
IMAGE INTENSIFIER. An electro-optical device that detects and amplies ambient light to produce a
visual image.
INFINITY FOCUS. Adjustment of the objective lens so that a distant object, such 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 “ashing”.
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.
MICROCHANNEL PLATE. A current-multiplying optical disk that intensies the electron image pro ­duced by the photocathode.
NOTE. Essential information of special importance, interest, or aid in job performance.
PHOTOCATHODE. The input optic of an image intensier that absorbs light energy and in turn re-
leases electrical energy in the form of an electron image.
SCINTILLATION. A faint, random, sparkling eect throughout the image area. Scintillation is a normal
characteristic of the image intensier 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 intensier. Shading is very dark and you cannot see an image through it.
WARNING. Conditions, practices, or procedures that must be observed to avoid personal injury or loss of life.
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DESCRIPTION AND DATA
2.1 EQUIPMENT DESCRIPTION
2.2.1. EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES
The PVS-14/6015 is a hand-held, headmounted, helmet mounted, or weapon mounted night vision sys­tem that enables walking, weapon ring, short-range surveillance, map reading, vehicle maintenance, and administering rst aid in both moonlight and starlight. Each unit allows for vertical adjustment (by using head strap), fore-and-aft adjustment, objective lens focus and eyepiece focus. The monocular is also equipped with an IR source and a low battery indicator. The PVS-14 model equipped with a manual gain control.
2.2.2. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS
The NVMPS includes the items shown in Figures 1-1, 1-2, 1-3. The major components are the head­mount, helmet mount, monocular, carrying case, and the shipping and storage case.
a. Monocular
The monocular (see Figure 2-4) consists of various components such as an objective lens, an image intensier (not shown), an eyepiece lens and a battery cap.
The monocular also uses the accessories listed below:
Demist Shield – The demist shield (Figure 2-1) is used to prevent the eyepiece lenses from becom­ing fogged.
Sacricial Window – A replaceable sacricial window (Figure 2-1) is supplied to protect the objec­tive lens during operation in adverse conditions.
Compass – The compass (Figure 2-2) enables the operator to see azimuth readings in the monocu­lar.
Tethering Cord – The tethering cord (Figure 2-1) enables the user to attach the compass or 3X mag­nier to a button hole or belt loop to guard against dropping orlosing these items.
3X Magnier – (Additional Authorized Item) The 3Xmagnier (Figure 2-2) is a lens assembly which can be added to the monocular to extend the operator’s observation ranges.
b. Headmount
The headmount (Figure 2-1) 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.
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HEAD/HE LMET MOUNT ADAPTER
TETHE RING CORD
THIN BRO W­PAD
HEADMOUNT
WEAPON M OUNT
BATTERY CAR - TRIDGE
NECK CORD
OBJEC TIVE LENS CAP
HELME T MOUNT
CARRYI NG CASE
DEMIST
EYEGUA RD
SHIELD
SACRIFICIAL WINDOW
BAT TER Y
MONOCULAR
Figure 2-1. Components of NVMPS
COMPASS
MEDIUM A ND THICK BR OWPADS
OPERATOR’S MANUAL
LENS PAPER
CARRYI NG CASE STRAP
3X MAGNIFIE R (ADDIT IONAL ITEM)
Figure 2-2. 3X Magnier and Compass for PVS-14/6015
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(SEE FIGUR E 2-1. FOR DETAIL S)
SHIPPING AND STORAG E CASE
Figure 2-3. Shipping and storage cases for PVS-14/6015
EYEPIECE LENS
OBJECTIVE LENS
POWER SWITCH
BAT TER Y CAP
GAIN CONTROL
Figure 2-4. Multi-Use Night Vision Monocular
c. Helmet Mount
This item (Figure 2-1), 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 plastic.
d. Headmount/Helmet Mount Adapter
This item (Figure 2-1) is attached to the monocular to allow its use with the headmount or helmet mount. It allows mounting in front of the lef t or right eye.
e. Weapon Mount
The weapon mount (Figure 2-1) adapts the monocular to the receiver rail as congured for the modular weapon system kit.
f. Carrying Case
The carrying case (Figure 2-3) is provided for transportation and protection of the monocular, head­mount, battery and accessories. Two slide keepers are provided for belt attachment and three D-rings
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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 NVMPS is supplied in a shipping and storage case (Figure 2-3).
2.2.3. EQUIPMENT DATA
The following tables provide information pertaining to the operational, electrical, mechanical, optical, and environmental characteristics for the monocular.
TABLE 21. OPERATOR ADJUSTMENT LIMITS
ITEM LIMITS
Diopter Focus +2 to –6 diopters
Objective Focus 25 cm to innity
TABLE 22. ELECTRICAL DATA
ITEM DATA
Power Source Battery (1.5 Vdc max ea.)
Battery Requirements 1 AA Alkaline or 1 AA 1.5 Vdc Lithium L91
TABLE 23. MECHANICAL DATA
ITEM CHARACTERISTICS
Shipping and Storage Case Size: Approx.14” X 9.5” X 8” Weight: 2.4 lbs.
Carrying Case Size: Approx. 14” X 8”
Monocular (see Note) Weight: 14 ounce
NOTE:
Weight of the monocular does not include accessories.
TABLE 24. OPTICAL DATA
ITEM DATA
Magnication 1.0X (3X with 3X magnier)
Field-of-View 40° (13° with 3X magnier)
Diopter Focus +2 to - 6 diopters
Objective Focus 25 cm (9.8”) to innity
TABLE 25. 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
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2.3 PRINCIPLES OF OPERATION
2.3.1. MECHANICAL FUNCTIONS
The mechanical functions of the NVMPS allow for dierences 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 identied in Figure 2-5.
DIOPTER ADJUSTMENT
LAT CH
IR LENS
POWER SWITCH
EYE RELI EF ADJUSTMENT
OBJECTIVE FOCUS
HIGH LIG HT CUT-OFF WINDO W
GAIN CONTROL
Figure 2-5. Mechanical Functions for the NVMPS
NOTE:
The gain control is not present in 6015 or PVS-14NG model.
2.3.2 OPTICAL FUNCTIONS
The optical functions include an objective lens, image intensier and eyepiece lens (Figure 2-6). The ob­jective lens collects light reected from the night scene by the moon, stars, or night sky, inverts the im­age and focuses that image on the image intensier. The image intensier converts the captured light into a visible image and reinverts the image which can then be viewed through the eyepiece lens.
PHOTOCATHODE
OBJEC TIVE LENS
MICROC HANNEL PL ATE
PHOSPHO R SCREEN
IMAGE INTENSIFIER
Figure 2-6. Optical Function Diagram
FIBER- OPTIC INVERTER
POWER SUPPLY
EYEPIE CE LENS
EYE
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