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American Technologies Network ATN PS31 Operator's Manual

Night vision goggles
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ATN PS31
NIGHT VISION GOGGLES
O P E R AT O R ' S M A N U A L
OPERATOR'S MANUAL (PS31) REVISION 1 – JUNE 2024
AMERICAN
TECHNOLOGIES
NETWORK
CORP .
Important Export Restrictions! Commodities, products, technologies and services contained in this manual are subject to one or more of
the export control laws and regulations of the U.S. Government and they fall under the control jurisdiction of either the US Department of
State or the U.S. BIS-Department of Commerce. It is unlawful and strictly prohibited to export, or attempt to export or otherwise transfer or
sell any hardware or technical data or furnish any service to any foreign person, whether abroad or in the United States, for which a license
or written approval of the U.S. Government is required, without first obtaining the required license or written approval from the Department
of the U.S. Government having jurisdiction. Diversion contrary to U.S. law is prohibited.

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  • Page 1 ATN PS31 NIGHT VISION GOGGLES O P E R AT O R ’ S M A N U A L OPERATOR’S MANUAL (PS31) REVISION 1 – JUNE 2024 AMERICAN TECHNOLOGIES NETWORK CORP . Important Export Restrictions! Commodities, products, technologies and services contained in this manual are subject to one or more of the export control laws and regulations of the U.S.
  • Page 2 Register your product warranty online at www.atncorp.com/warranty This instruction manual is primarily intended to provide help to users of the low light helmet viewer (hereinafter referred to as the night vision device). It contains instructions for use, operation, and maintenance. Before using the night vision device, the instruction manual should be read thoroughly and completely to ensure optimal operation of the night vision device.

  • Page 3: Safety Summary

    SAFETY SUMMARY CAUTIONS - The ATN PS31 is a precision optical instrument and must be handled carefully at all times to prevent damage. During the daytime, it is strictly forbidden to expose the goggles to strong light or open the goggles shield.
  • Page 4 3 meters. CAUTION • The ATN PS31 is a precision optical instrument and must be handled carefully at all times to prevent damage. • Be careful when leaving the helmet mount in the flipped up position...

  • Page 5: Table Of Contents

    TA B L E O F C O N T E N T S SAFETY SUMMARY..........3 CHAPTER 1.
  • Page 6 2.4.4. IR Source Operations ......... 36 2.5.

  • Page 7: Chapter 1. Introdution

    1.1.1. SCOPE This manual provides operation and maintenance instructions for the Night Vision Goggles (NVG) ATN PS31 hereinafter referred to as the NVG. The NVG is a self-contained night vision device that enables improved night vision using ambient light from the night sky (moon, stars, skyglow, etc.).

  • Page 8: Glossary

    Infrared Joint Table of Allowances Pounds Light Emitting Diode Night Vision Goggles MTOE Modified Table of Organization and Equipment N/A Not Applicable Nuclear, Biological, and Chemical National Stock Number Pamphlet PASGT Personal Armor System Ground Troops PMCS Preventive Maintenance Checks and Services Qty Quantity Recm Recommended...

  • Page 9: Equipment Description

    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 goggles. The position of an emission point within the image area of the goggles does not move.

  • Page 10: Location And Description Of Major Components

    HEADMOUNT (OPTIONAL ACCESSORY) HELMET MOUNT OPERATOR’S MANUAL CARRYING CASE CLEANING CLOTH CARRYING CASE STRAP BATTERY GOGGLES FIGURE 1.1. COMPONENTS OF NVG 1.2.2. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS The NVG includes the items shown in Figure 1.1. The major components are the head mount, helmet mount, goggles, and carrying case.

  • Page 11: Equipment Data

    b. Head Mount (Optional) The head mount (Figure 1.1.) secures the goggles to the oper- ator’s head for night viewing and provides freehand support for use with a weapon, protective mask or other purposes. It is adjustable and cushioned. c. Helmet Mount This item (Figure 1.1.), secures the goggles to the Personal Ar- mor System Ground T roops (PASGT) helmet allowing freehand support for use with a weapon, protective mask and/or other...
  • Page 12 TABLE 1.5. OPTICAL DATA ITEM DATA Magnification 1x + / - 0.05 Field-of-View ≥40 degrees Diopter Focus -6 to +2 diopters Objective Focus 250 mm to infinity Target contrast is 85%, illumi- nance 1x10 lux, not more than 1.0 milliradian; Resolution When the target contrast is 35% and the illumination is 1x10...

  • Page 13: Principles Of Operation

    1.3. PRINCIPLES OF OPERATION 1.3.1. MECHANICAL FUNCTIONS The mechanical functions of the NVG allow for differences in the physical features of individual operators and provide for operat- ing the system. These functions include the power switch, eye relief adjustment, diopter adjustment, and objective focus. The mechanical controls are identified in Figure 1.3.

  • Page 14: Chapter 2. Operating Instructions

    detect environmental luminance in real time and work with ref- erence to the illumination control system. Under extremely low or extremely dark environment, The system will automatically turn on infrared auxiliary lighting, and when the environmental illumination can meet normal observation, The system automat- ically turns off “IR”...

  • Page 15: Preventive Maintenance Checks And Services (Pmcs)

    NOTE Low battery indicator and IR source “ON” indicator are visible in eye- piece lens. TABLE 2.1. GOGGLES CONTROLS AND INDICATORS CONTROLS AND INDICATORS FUNCTIONS Power/Manual Gain Knob Press the knob once Turn the goggles on Press the knob once again Turn the goggles off Press the knob twice Turn on the IR light (after the unit...
  • Page 16 (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.

  • Page 17: Resolution Check Using The Ts-4348/Uv Test Set

    LOCATION ITEM INTER- NOT FULLY MISSION PROCEDURE CHECK/SERVICE CAPABLE IF: Before/ Eyepiece Lens Rotate diopter adjustment to make sure Binding, not moving After freely or too loose. the eyepiece lens moves freely and is not loose. Range is approximately 1/3 turn. Before/ Eyecup Inspect for dir t, dust, cracked or torn...
  • Page 18 The following procedures are designed to check the performance of the image intensifier. a. Setup Before using the TS-4348/UV Test Set to set up and familiarize yourself with its operation and the warnings and cautions associated with that test equip- ment.
  • Page 19 GROUP NUMBER ELEMENT NUMBERS READ THIS FOR LOW LIGHT RESO- LUTION FOR NVG NOTE READ THIS FOR HIGH LIGHT The target shown is RESOLUTION for example only and is FOR NVG not drawn to scale. FIGURE 2.2. TS-4348/UV TEST SET PATTERN NOTE For a pattern to be resolvable, three vertical bars and three horizontal bars must be visible.

  • Page 20: Inspection Criteria For Proper Image Intensifier Operation

    2.2.3. 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 NVG should be returned to the maintainer.
  • Page 21 EDGE GLOW FIGURE 2.4. EDGE GLOW (3) Flashing, Flickering, or Intermittent Operation. The image may appear to flicker or flash. If there is more than one flicker, check for loose battery cap or weak batteries. If weak or loose batteries are not the problem, return the NVG to the maintainer.
  • Page 22 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. (4) Fixed-Pattern Noise. This is usually a cosmetic blemish 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 (see Figure 2.6.).
  • Page 23 NOTE The sharpest image will be observed only when the objective lens and eyepiece lens are properly focused. Pupil Distance Adjustment Each barrel of the goggles can be pushed together, or can be opened to both sides to adapt to different pupil distance requirements, as shown in FIG. 2.3. NOTE Any readjustment of eye relief requires readjustment of the diopter.

  • Page 24: Assembly And Preparation For Use

    Manual Gain Adjustment The brightness gain is adjusted by rotating the power encoder switch. The brightness gain decreases by clockwise rotation and increases by counter- clockwise rotation. The brightness gain adjustment value can be remembered by restarting after power failure. Check Whether the Goggles are Working Properly Check the working status of the goggles in daylight or under strong light: remove the shroud on the goggles, cover the lens cap, press the power...

  • Page 25: Installation Of Battery

    (1) Check contents for completeness (see Figure 1.1.). (2) Remove the carrying case. Open carrying case (Figure 1.1.), remove NVG, and check contents for completeness. (3) Inspect the goggles for obvious evidence of damage to optical surfaces, body, eyecup, power switch, battery cap, etc. Ensure that all optical surfaces are clean and ready for use.

  • Page 26: Installation Of Eyecup

    2.3.3. INSTALLATION OF EYECUP Perform the following procedure to install eyecup onto the goggles. Refer to Figure 2.1. (1) Carefully press the eyecup over the end of the eyepiece lens. (2) Rotate the eyecup into the proper viewing position. Adjust for best fit. The eyecup must seal around your eye and prevent the green glow from escaping.

  • Page 27: Installation Of Helmet Mount To Helmet

    2.3.5. INSTALLATION OF HELMET MOUNT TO HELMET NOTE Do not don the head mount while the goggles are attached. (1) Remove the helmet mount from the carrying case. Refer to Figure 2.10. for helmet mount features. FIGURE 2.10. INSTALLATION OF HELMET MOUNT (2) Press the release (Figure 2.11.) to remove the mount from the helmet mount bracket.

  • Page 28: Installation Of Helmet Mount To Goggles

    (5) Hook the rear bracket (see Figure 2.11.) 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 2.12.).
  • Page 29 FIGURE 2.13. INSTALLATION OF HELMET MOUNT TO GOGGLES Connect the External Battery Box to the Cable and Goggles (1) Align the red dot on the cable connector with the red dot on the external battery box socket, as shown in Figure 2.14, then insert the connector into the socket until it is locked.
  • Page 30 Warning! Forcing the cable to the external battery box without alignment can damage the power plug or socket. Do not twist the connector while installing the cable. The cable will automatically lock into place when the external battery box is properly connected to the goggles.

  • Page 31: Operating Procedures

    Disassembly of the Goggles When the goggles are used up, follow these steps to disassemble: (1) Hold the unit with one hand first, unplug the external cable, so that the external cable is detached from the host, press the release button 1 (see Figure 4), remove the main unit, open the battery cover, take out the battery, screw on the battery cover, put the cap on, and put it in the carrying bag;...

  • Page 32: Head Mounted Operation

    OPERATION SWITCH OBJECTIVE LENS EYEPIECE LENS FIGURE 2.19. HAND-HELD OPERATION NOTE The sharpest image will be observed only when the objective lens and eyepiece lens are properly focused. (3) Rotate the diopter adjustment for the clearest view of the image intensi- fier screen.
  • Page 33 VERTICAL ADJUSTMENT LATCH EYE RELIEF ADJUSTMENT FIGURE 2.21. HEAD MOUNT/HELMET MOUNT OPERATION (3) Align the head mount/helmet mount latch to the head mount socket (Figure 2.21.). Insert the Helmet Fixture into the Socket of the mount. (4) Set your eye relief by depressing the eye relief adjustment (Figure 2.21.) and move the goggles back toward your eye until the eyecup comfortably seals around the eye.

  • Page 34: Helmet Mounted Operation

    (11) When you flip the NVGs up over the Head Mount the NVGs will auto- matically power off. When you flip the NVGs down into viewing position. The NVGs will power back up automatically. Note that you need to press the power button five times every time you start up the NVG.
  • Page 35 (6) When the host is connected, through the host flip button 6, the host can be “flipped up” to the standby position by the mount; (7) The tilt angle of the host can be accurately adjusted through the tilt button 7; NOTE The sharpest image will be observed only when the objective lens and eyepiece lens are properly focused.

  • Page 36: Ir Source Operations

    FIGURE 2.24. FLIPPING ONE EYEPIECE OUT OF VIEW (1) Select the eyepiece you would like to move out of the field of view with the hand that is on the same side as the eyepiece. (2) Gently push it upwards with your hand so that it locks in position. (3) Your flipped up to the side eyepiece will turn off automatically in order to prevent light bleed from the eyepiece.
  • Page 37 Note Can add projected runtime or battery life for the (4) CR123 batteries when the auxiliary battery is used. BATTERY POWER HOLDER CORD FIGURE 2.25. AUXILIARY BATTERY INSTALLATION (1) Install (4) CR123 batteries into the battery holder. (2) Attach the battery holder to the rear of the helmet or headgear. (3) Run the power cord from the battery holder to the NVG.

  • Page 38: Operation Under Unusual Conditions

    (a) Remove battery cap and remove battery. (b) Inspect the battery housing for corrosion or moisture. Clean and dry if necessary. (c) Replace the battery cap. (d) Install objective lens cap. NOTE • Prior to placing NVG into the carrying case, ensure NVG and case are free of dirt, dust, and moisture.

  • Page 39: Chapter 3. Maintenance Instructions

    WARNING Do not use contaminated eyecup. They must be replaced. (1) Decontamination — Wear a protective mask while using NVG after the decontamination process. (2) Hardness — Do not use DS-2 for decontaminating the NVG. To decon- taminate, use 5% sodium hypochlorite and rinse with hot (158°F) soapy water. C H A P T E R 3 M A I N T E N A N C E I N S T R U C T I O N S 3.1.

  • Page 40: Operator's Maintenance Procedures

    MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 5. Light visible around eyecup. Check eye relief distance. Readjust for proper eye relief dis- tance. Check eyecup for resiliency. If eyecup is defective, refer to higher level of maintenance. 6. Diopter adjustment cannot be Check to see if the diopter adjust- If damaged, refer to higher level of made.
  • Page 41 The combination parts that affect the sealing of the goggles are glued with sealing substances, which shall not be wiped away to avoid moisture entering the interior of the goggles. The desiccant in the packaging box, after a period of use, will inhale mois- ture and lose the drying effect.
  • Page 42 For customer service and technical support, please contact American Technologies Network Corp. 2400 NW 95 Ave, Doral, FL 33172 phone: 800-910-2862, 650-989-5100 e-mail: service@atncorp.com www.atncorp.com ©2024 ATN Corporation...

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