Eotech M914 (AN/PVS-14) Monocular Night Vision Device User Manual Page 1

MNVD-TM-ITI OPERATOR MANUAL FOR THE Monocular Night Vision Device (MNVD) Rev. 1 11 October 2011

1-1 CHAPTER 1 INTRODUCTION SECTION I GENERAL INFORMATION Figure 1-1 Headmounted MNVD 1.1 SCOPE This manual is intended for use by operators

1-2 1.2 MODEL NUMBER AND EQUIPMENT NAME 245620, Monocular Night Vision Device (MNVD) 1.3 MANUFACTURER L-3 Communications Corporation Warrior Sys

1-3 SECTION II EQUIPMENT DESCRIPTION 1.6 SYSTEM DESCRIPTION The MNVD is a portable, battery operated night vision device with an integrated IR li

1-4 1.7 TECHNICAL SPECIFICATIONS Table 1-1 provides technical specifications for the MNVD. Table 1-1 Technical Specifications WEIGHT AND DIMENSIO

1-5 1.8 MAJOR COMPONENTS The MNVD system includes the components shown in Figure 1-2. Table 1-2 provides a brief functional description of each ite

1-6 1.8 MAJOR COMPONENTS – Continued Table 1-2 List of Major Components Key Major Component Function 1 Brow Pads Used on the headmount assembly

1-7 1.8 MAJOR COMPONENTS – Continued Table 1-2 List of Major Components – Continued Key Major Component Function 10 Headmount Adapter Allows th

1-8 1.9 FEATURES AND CONTROLS Figure 1-3 shows features and controls for the MNVD. Table 1-3 provides a brief functional description of each item.

1-9 1.9 FEATURES AND CONTROLS – Continued Table 1-3 List of Features and Controls Key Major Component Function 1 Objective Lens Collects availa

1-10 1.9 FEATURES AND CONTROLS – Continued Table 1-3 List of Features and Controls – Continued Key Major Component Function 9 Neck Cord Holds t

2-1 CHAPTER 2 OPERATING INSTRUCTIONS SECTION I PREPARATION FOR USE 2.1 PREPARATION FOR USE Unpacking the Equipment Open the soft carrying case

2-2 2.2 BATTERY HANDLING Battery Inspection Before installation, inspect the battery for any cracks, dents, leakage, or bulging. Never install a d

2-3 2.2 BATTERY HANDLING – Continued CAUTION Do not ship or store the MNVD with battery installed. Low Battery Indicator A red light visible th

2-4 2.3 HEADMOUNT ASSEMBLY – Continued Donning the Headmount Assembly The following procedures for donning the headmount assembly should be perform

2-5 2.3 HEADMOUNT ASSEMBLY – Continued 2. Loosen the four chin straps until the ends of each strap are approximately two inches from the sliding ba

2-6 2.3 HEADMOUNT ASSEMBLY – Continued Figure 2-4 Headmount Adapter Installation 3. The headmount adapter is now installed on the MNVD. Mounti

2-7 2.3 HEADMOUNT ASSEMBLY – Continued Figure 2-5 Mounting to Headmount Assembly Positioning Adjustments With the MNVD system installed, positi

2-8 2.3 HEADMOUNT ASSEMBLY – Continued NOTE Optimal system performance and comfort of the operator rely on carefully following the procedures below

2-9 2.3 HEADMOUNT ASSEMBLY – Continued • Height Adjustment. The headmount’s vertical adjustment strap (see Figure 2-3) provides for height adjust

i SAFETY SUMMARY GENERAL This manual contains operating instructions and maintenance procedures which may cause injury or death to personnel, or dam

2-10 2.3 HEADMOUNT ASSEMBLY – Continued The first row in Table 2-1 shows the optimal field of view for the MNVD when positioning adjustments are co

2-11 2.3 HEADMOUNT ASSEMBLY – Continued Table 2-1 Field of View and Positioning Adjustments – Continued Field of View Remarks / Corrective Actio

2-12 2.4 WEAPON MOUNTING INSTRUCTIONS – Continued Installing the Weapon Mount Assembly 1. With the MNVD in one hand, use the free hand to orient t

2-13 2.4 WEAPON MOUNTING INSTRUCTIONS – Continued Mounting the MNVD WARNING Be sure the weapon is CLEAR and SAFE before proceeding. 1. Loosen

2-14 2.5 LENS ACCESSORIES Objective Lens Cover The objective lens cover affords additional protection to the objective lens and protects the MNVD’s

2-15 2.4 LENS ACCESSORIES – Continued The demist shield is provided to protect the eyepiece from becoming scratched or otherwise damaged, and to pre

2-16 SECTION II OPERATING INSTRUCTIONS 2.6 MODES OF OPERATION The MNVD is powered on by turning the Mode Switch to the desired position. CAUTION

2-17 2.6 MODES OF OPERATION – Continued Table 2-2 Mode Switch Operation Mode Switch Position Effect RESET OFF Turns MNVD off. Resets the MNVD aft

2-18 2.7 IR LED ILLUMINATOR – Continued Figure 2-12 IR LED Illuminator Indicator 2.8 GAIN (CONTRAST) The MNVD is equipped with a gain control

2-19 2.10 DIOPTER ADJUSTMENT The eyepiece may be focused to accommodate differences in the visual acuity of individual operators, from +2 to -6 diop

ii SAFETY PRECAUTIONS The following general safety precautions supplement the specific WARNINGs, CAUTIONs and NOTEs that appear elsewhere in this man

3-1 CHAPTER 3 MAINTENANCE SECTION I OPERATOR MAINTENANCE 3.1 TROUBLESHOOTING PROCEDURES The procedures below will help correct some of the basic

3-2 3.1 TROUBLESHOOTING – Continued Table 3-1 Troubleshooting Procedures – Continued Malfunction Probable Cause Corrective Action 3. Poor or degr

3-3 3.2 INSPECTION / CLEANING The operator should inspect the MNVD before each use and after it has been in extreme conditions, such as prolonged ex

3-4 3.2 INSPECTION / CLEANING - Continued Battery Cap Inspect the battery cap for dirt, sand, and grime. Thoroughly clean the battery cap and o-r

3-5 3.3 CORRECTIVE MAINTENANCE PROCEDURES The MNVD has no internal parts or assemblies replaceable by the user or organizational level personnel. R

3-6 3.3 CORRECTIVE MAINTENANCE PROCEDURES – Continued Figure 3-1 Neck Cord Replacement

3-7 SECTION II SERVICE / PACKING AND UNPACKING 3.4 SERVICE / REPAIR For service, repair, or replacement, first e-mail [email protected]

3-8 3.4 RETURN INSTRUCTIONS – Continued Place the item and a copy of the test report or detailed description of the failure in a suitable packing co

A-1 APPENDIX A REPAIR PARTS LIST SCOPE This Appendix lists end item components and repair parts for the MNVD. Figure A-1 End Item Components 1

iii WARNING Remove the MNVD from the weapon before inspecting, cleaning, or performing other maintenance functions. WARNING • Do not short circu

A-2 SCOPE – Continued Table A-1 List of End Item Components ITEM NO. NATIONAL STOCK NUMBER PART NUMBER DESCRIPTION QTY 1 8415-01-560-1800 7B435 Br

A-3 SCOPE – Continued Figure A-2 MNVD Assembly Table A-2 List of Repair Parts ITEM NO. NATIONAL STOCK NUMBER PART NUMBER DESCRIPTION QTY 1 5

B-1 APPENDIX B ACCESSORIES SCOPE This Appendix lists accessories available for support of the MNVD. Table B-1 List of Accessories NATIONAL STOC

The MNVD Is designed and produced by: L-3 Communications Corporation Warrior Systems Division Insight Operations 9 Akira Way Londonderry, NH 0

iv CAUTION Do not ship or store the MNVD with the battery installed. CAUTION Pointing the MNVD at the sun without the lens cover installed may da

v TABLE OF CONTENTS SAFETY SUMMARY ... i TABLE OF CONTENTS ...

vi TABLE OF CONTENTS – Continued CHAPTER 3 ...... 3-1 MAINTENANCE ...

vii LIST OF FIGURES Figure 1-1 Headmounted MNVD .............. 1-1Figure 1-2 Major Components ....