WIXLIB

4.5.6.7.Holding the chin cup in position on chin, adjust both sidesof the chinstrap until you feel light pressure against yourchin. (DO NOT TIGHTEN.)Maintain the position of the chin cup and remove any slackfrom the chinstrap. (DO NOT TIGHTEN.)Ensure that the cross-strap is not twisted and remove slackby adjusting the vertical adjustment at the neck pad.Adjust chinstrap and vertical adjustment until the chin cupand headband are in a comfortable but firm position.NOTEAfter installing the monocular,minor strap adjustments may benecessary to achieve comfort.8.Install the head/helmet mount adapter.Nivisys, LLC Rev. 25 Mar 20152-6

Figure 2-2 Headmount Diagram2.8Head/ Helmet Mount Installation:Install the head/helmet mount adapter into the monocular byNivisys, LLC Rev. 25 Mar 20152-7

following the procedure.1. Align the thumbscrew with the threaded hole and tighten asshown in Figure 2-3.2. Locate the alignment boss on the headmount/helmet mountadapter that fits into a groove on the monocular.3. Make sure the boss on the adapter fits into the groove onthe monocular.4. Loosen the clamp knob and pivot the arm to the other sidefor PVS-14A use with the right eye.Figure 2-3 Head/Helmet Mount Adapter InstallationNivisys, LLC Rev. 25 Mar 20152-8

2-9Installation of Weapon Mount:Perform the following procedure to install the weapon mount.CAUTIONThe PVS-14A is not a weaponsight, however, it can be used inconjunction with a collimated dotsight or laser aiming device.NOTEIt is recommended that the eyecupbe replaced with the shutteredeyeguard during weapon mounteduse.1.2.3.Orient the monocular and weapon mount as shown inFigure 2-4. Be sure to align the alignment boss on theweapon mount with the alignment groove in the monocular.Screw in the thumbscrew to secure the monocular to theweapon mount.Loosen the clamping knob on the weapon mount. Positionthe weapon mount with the monocular onto the weapon’smounting rail. Tighten by turning the clamping knob.notea ratchet in the weapon mountprevents over tightening of theclamp. Turn until the knob clicks.4.Check the position of the monocular by holding the weaponin the normal firing position. Adjust the fore/aft positionof the monocular as necessary by loosening the clampingknob and repositioning the weapon mount on the weapon’smounting rail.Nivisys, LLC Rev. 25 Mar 20152-9

Figure 2-4 Weapon Mount InstallationNivisys, LLC Rev. 25 Mar 20152-10

CHAPTER 3:OPERATIng instructions3.1Introduction:This chapter contains instructions for the safe operation of thePVS-14A under normal circumstances and environments.3.2 Controls and Indicators:The PVS-14A is designed to adjust for different users andcorrects for most differences in eyesight. The controls andindicators for the PVS-14A are shown in Figure 3-1 and aredescribed in Table 3-1.CAUTIONThe PVS-14A requires some ambient(moonlight, starlight, or artificiallight, etc.) to operate. The level ofperformance depends on the level oflight.Night light is reduced by passingcloud cover, while operating undertrees, in building shadows, etc.The PVS-14A is less effective viewinginto shadows and other darkenedareas.The PVS-14A is less effective throughrain, fog, sleet, snow, smoke, andother reflective material.Nivisys, LLC Rev. 25 Mar 20153-1

Figure 3-1 Controls and IndicatorsNivisys, LLC Rev. 25 Mar 20153-2

Control andIndicatorsFunctionsPower SwitchControls monocular and IR source, ON or OFF.RESET/OFFSame as system OFF.OFF also resets monocular after high light cutoff.ON activates the monocular.IR/PULL momentarily activates the IR sourcewhen the knob is turned clockwise. Pull andturn the knob clockwise from the ON position tocontinuously activate the IR source.CAUTIONDo not use excessive force toplace the power switch intothe momentary IR position.Low BatteryIndicatorA blinking yellow light indicates a low batterywith less than 30 minutes of battery liferemaining. It is visible through the eyepiece justoutside the intensified field-of-view.IR Source OnIndicatorA steady red light indicates that the IR source isON. It is visible through the eyepiece just outsidethe intensified field-of-view.Gain ControlAdjusts the system gain from a minimum valueof approximately 25 to a maximum value greaterthan 3,000.Table 3-1 Controls and IndicatorsNivisys, LLC Rev. 25 Mar 20153-3

Objective FocusFocuses objective lens. Adjusts for sharpestimage of viewed object.DiopterAdjustmentFocuses eyepiece lens to users eye. Adjust forsharpest image of intensifier screen.Eye ReliefAdjustmentAdjusts the distance between your eye and themonocular.LatchLatch used for separation of monocular fromheadmount/helmet mount adapter.Battery PolarityIndicatorThis feature, molded into the battery cartridge,shows the proper orientation of the batteries.High LightCut-offThe monocular will automatically cut offafter 70 30 seconds of operation in daylightor bright room light. Individual bright lights(headlights, flashlights, or other concentratedlight sources) will not actuate the high lightdetector located on the front of the monocular.To turn the monocular back ON, turn the powerswitch to RESET/OFF position and then to ONagain.Table 3-1 Controls and Indicators, (cont.)3.3Hand-held Operation:CAUTIONOperate the monocular onlyunder darkened conditions or usethe objective lens cap to coverthe objective lens for daylightconditions.Nivisys, LLC Rev. 25 Mar 20153-4

NOTEWhen using the monocular without amounting device, make sure to placethe neck cord around your neck.1.2.Ensure that the battery is installed correctly.Turn the power switch to ON.NOTEThe sharpest image will be observedonly when the objective lens andeyepiece lens are properly focused.3.4.3.4Rotate the diopter adjustment for the clearest view of theimage intensifier screen.Focus the objective lens while observing an object until thesharpest image is obtained.Head Mounted Operation:CAUTIONOperate the monocular only underdarkened conditions or use the lenscap to cover the objective lens fordaylight conditions.1.2.Ensure that battery is installed correctly.Put on the headmount following the instructions found inparagraph 2.7.Nivisys, LLC Rev. 25 Mar 20153-5

NOTETo make it easier to align themonocular, eyecup, and eyepiece lensto the eye, depress the eye reliefadjustment and slide the headmountsocket all the way forward beforeattaching the monocular.3.4.5.6.Align the headmount/helmet mount adapter’s latch to theheadmount socket. Press and hold down the latch leverwhile installing the monocular into the headmount socket.Release the latch when the monocular fully engages thesocket.Set your eye relief by depressing the eye relief adjustmentand move the monocular back toward your non-dominateeye until the eyecup comfortably seals around the eye.Turn the monocular ON.Loosen the clamp knob and adjust monocular until it isproperly aligned with your eye. Tighten the clamp knob tosecure the monocular.NOTEThe sharpest image will be observedonly when the objective lens andeyepiece lens are properly focused.7.Rotate the diopter adjustment for the clearest view of theimage intensifier screen.NOTEAny readjustment of eye reliefrequires readjustmentof the diopter.Nivisys, LLC Rev. 25 Mar 20153-6

8.Adjust the eye relief distance by pressing the eye reliefadjustment and sliding the monocular fore or aft to obtain afull field-of-view of the image. Reset the diopter adjustmentfor best image.9. Adjust the objective lens focus (Figure 3-1) while observingan object until the sharpest image is obtained.10. If the monocular is removed from the headmount whileoperating, the monocular will be powered OFF. To returnto normal operation, cycle the power switch knob from ONto OFF/RESET and back to ON.Figure 3-2 Head Mounted OperationNivisys, LLC Rev. 25 Mar 20153-7

3.5Operations with IR Source:WARNINGThe IR source is a light that isinvisible to the unaided eye foruse during conditions of extremedarkness. However, the light fromthe IR source can be detected by theenemy using night vision devices.NOTEThe purpose of the IR source is forviewing at close distances up to 3meters whenadditionalilluminationis needed.1.2.3.6Pull the power switch knob out and rotate clockwise to theIR position. With the monocular held to the eye, observethat a red light appears in the eyepiece. This indicates thatthe IR source is operating.For momentary IR use, turn the power switch knobclockwise (without pulling) past the ON position. Observethat a red light appears in the eyepiece. When the switchknob is released, the knob will return to the ON positionand the IR source will be powered OFF.Using the Gain Control:Turn the gain control to provide the optimum illumination inputto the eye.Nivisys, LLC Rev. 25 Mar 20153-8

Figure 3-3 Gain Control3.7Operation in Conditions of Blowing Dust or Sand:CAUTIONOperation in conditions of blowingdust or sand can pit and scratchthe optical elements and damagethe mechanical components unlessthe precautions given below areobserved.1.2.3.Ensure that the sacrificial window is in place.Avoid pointing the monocular into the wind unlessnecessary for operation.Keep the carrying case closed unless removing or replacingitems.Nivisys, LLC Rev. 25 Mar 20153-9

4.3.8Ensure that all dust and sand is removed from the PVS-14Aand carrying case after operation.Operation in Rainy or Humid Conditions:CAUTIONOperation in rainy or humidconditions can cause corrosion anddeterioration of the PVS-14A unlessthe precautions given below areobserved1.2.3.4.Install the demist shield as instructed in this manual.Keep the carrying case closed unless removing or replacingitems.Dry the monocular, mounts, and accessories after exposureto rain or high humidity and before storage.Do not store monocular in a wet carrying case.3.9Operation in Salt Water Areas:After exposure to salt water, clean the unit as instructed in thismanual, after rinsing with fresh water.3.10Shutting Down the Unit:Perform the following procedures to shut down the monocular.1. Turn the monocular power switch to the OFF position.2. Remove the monocular from the headmount, helmetmount or weapon and remove the weapon mount from themonocular.3.11Preparation for Storage:1. Remove battery from the monocular.2. Inspect the battery housing for corrosion or moisture. CleanNivisys, LLC Rev. 25 Mar 20153-10

3.4.and dry if necessary.Replace the battery cap.Remove the demist shield or sacrificial window if installed.Install objective lens cap.NOTEPrior to placing PVS-14A into carryingcase, ensure PVS-14A and case are freeof dirt, dust, and moisture.5.6.Place the monocular, accessories and cleaning suppliesback into their storage/carrying case. It is best to placethe items in their original locations to prevent any possibledamage to the unit and/or accessories.Return to storage area.Nivisys, LLC Rev. 25 Mar 20153-11

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CHAPTER 4:Maintenance instructions4.1Introduction:The PVS-14A is designed to be used in diverse environmentsand rugged conditions. It is recommended that regularand simple maintenance be preformed for optimal systemperformance.CAUTIONThe monocular isaprecision electrooptical instrument and must behandled carefully.Do not scratch the external lenssurfaces or touch them with yourfingers.Wiping demist shield with lens TISSUEwhile wet or with wet lens TISSUE candamage the coating.4.2Deactivation:Power down the system by turning the power switch knob toOFF.4.3 Battery Removal:Open battery compartment, remove battery and store in carryingcase. Close the battery compartment before cleaning.4.4 Cleaning the PVS-14A:When necessary, use a moistened clean cloth to wipe the outsideof the unit, EXCEPT FOR THE OPTICAL SURFACES.Nivisys, LLC Rev. 25 Mar 20154-1

Be sure to wipe away excess dirt and dust that may restrictthe performance of and damage moving and mating parts.If needed, the use of a very diluted detergent solution ispermissible. Dry with a soft clean cloth, or allow unit to air-drybefore storing it.4.5 Cleaning the Optics:When cleaning of the lens is required, first blow any loosedirt or grit away from the surface of the lens. EXCEPT FORTHE DEMIST SHIELD, use the supplied lens tissue lightlymoistened with water or lens cleaning fluid to lightly wipe theoptical surfaces, using a circular motion. Discard each lenstissue after one use to avoid transferring grit or foreign matteronto the lens surfaces. If the lens remains dirty use a cottonswab lightly moistened with lens cleaning fluid to remove theforeign matter from the lens. Dry with a clean unused lenstissue.4.6 Checking for Damage and Corrosion:As a general guideline, conduct an inspection of thePVS-14A, accessories, and the case after every use. Lookfor heavy wear and cracks in rubber or plastic. Inspect formoisture or corrosion in electronic housings and in the batterycompartment. Check for scratches, condensation and foreignmatter on optical surfaces. Report missing or damaged items,for replacement.Nivisys, LLC Rev. 25 Mar 20154-2

CHAPTER 5:TROUBLESHOOTING5.1Troubleshooting Procedures:Table 5-1 lists common malfunctions that may occur with theequipment. Perform the tests, inspections and corrective actionsin the order they appear in the table.This table cannot list all the malfunctions that may occur, allthe tests and inspections needed to find the fault, or all thecorrective actions needed to correct the fault. If the equipmentmalfunction is not listed or actions listed do not correct the fault,notify your maintainer.MalfunctionTest for InspectionCorrective ActionMonocularfails toactivate.Visual.Turn switch to RESET/OFFposition and then ON.Check for defective,missing or improperlyinstalled battery.Replace battery or installcorrectly.If PVS-14A still fails toactivate, refer to higherlevel of maintenance.Table 5-1 TroubleshootingNivisys, LLC Rev. 25 Mar 20155-1

IR sourcefails toactivate.In a dark locationIf IR source still fails towith system turnedactivate, refer to higheron, activate IR source. level of maintenance.Visually check IRsource operation; sceneshould brighten.IR sourceindicatorfails toactivate.Visual.Refer to higher level ofmaintenance.Poor imagequality.Check objective lensor eyepiece.Refocus.Check for fogging ordirt on objective lensor eyepiece lens.Clean lens surface perparagraph 4.5.Check eye reliefdistance.Readjust for proper eyerelief distance.Light visiblearoundeyecup.Check eyecup forresiliency.If eyecup is defective,refer to higher level ofmaintenance.Diopteradjustmentcannot bemade.Check to see if thediopter adjustment isbent or broken.If damaged, refer to higherlevel of maintenance.Head strapscannot betightened.Check for defectivebuckles, fasteners orstraps.If damaged, refer to higherlevel of maintenance.Table 5-1 Troubleshooting, (cont.)Nivisys, LLC Rev. 25 Mar 20155-2

Headmountsocket andheadmountadapter latchdo not catch.Check socket or latchfor dirt.Clean socket and latch.Check socket or latchfor damage.If damaged, return eitherheadmount to higher levelof maintenance.Monoculardoes not cutoff whenexposed tohigh light.Visual.If damaged, return to higherlevel of maintenance.Perform the followingtest under daylight orbright room light (notfluorescent light).Place the objectivelens cap on theobjective lens. Turnmonocular ON andobserve that it cuts offwithin 70 30 secondsafter energized.Turn monocularOFF and then ON toreenergize monocular.Table 5-1 Troubleshooting, (cont.)Nivisys, LLC Rev. 25 Mar 20155-3

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APPENDIX A:SPARE AND REPAIR PARTS LISTA.1Introduction:This section provides information needed to identify, contactand order spare and/or repair parts for the PVS-14A.A.2 Contact Information:To order spare or repair parts for the PVS-14A or any of yournight vision products contact:Nivisys, LLC400 S. Clark Drive, Suite #105Tempe, Arizona 85281 USAPhone: 1-480-970-3222Fax: 1-480-970-3555A.3Spare Parts List:The following is a list of parts that may be ordered for spareparts for the PVS-14A.Part No.DescriptionQty.A3144404Switch Knob Assembly1A3144315Purge Screw1A3144316Purge Screw O-Ring1A3144306Neck Cord1A3144318Objective Lens Cap1Table A-1 Spare and Repair Parts ListNivisys, LLC Rev. 25 Mar 2015A-1

A3144422Eyecup Assembly1A3256345Shuttered Eyeguard1A3256353Demist Shield1A3144268Headmount Assembly with Brow Pads1A3144264Sacrificial Window1A3256368PASGT Helmet Mount, Flip-Up1A3187430Magnetic Compass17B257-2FShipping/Storage Case1A3187392Soft Carrying Case1830-0058-0Operator Manual1830-0059-0Quick Reference Guide1A3144267Shoulder Strap1A3256351Variable Gain Knob1A3256348Weapon Mount1A3256347Head/Helmet Mount Adapter1A3144292Elevation Strap1A3144290Neckpad1A3144293Side Strap1A3144436Browpad, Thick1A3144435Browpad, Medium1Browpad, Thin1A3144280Table A-1 Spare and Repair Parts List, (cont.)Nivisys, LLC Rev. 25 Mar 2015A-2

APPENDIX B:WARRANTY INFORMATIONEquipment Warranties And Remedy:Seller warrants that each newly manufactured item sold hereunderand such portion of a repaired/refurbished item as has been repairedor replaced by Seller under this warranty, shall be free from defectsin material or workmanship at the time of shipment and shall performduring the warranty period in accordance with the specificationsincorporated herein. Should any failure to conform to these warrantiesbe discovered and brought to Seller’s attention during the warrantyperiod and be substantiated by examination at Seller’s factory or byauthorized field personnel, then at its own cost, Seller shall correctsuch failure by, at Seller’s option, repair or replacement of the nonconforming item or portion thereof, or return the unit purchase price ofthe non-conforming item or component. Buyer agrees that this remedyshall be its sole and exclusive remedy ag

APPENDIX b: WARRANTY INfORMATION b-1. Nivisys, LLC Rev. 25 Mar 2015 vii LIST Of fIGURES 1-1 Standard Kit Parts Illustration 1-3 1-2 Optional Parts Illustration 1-5 2-1 Standard Installations 2-3 2-2 Headmount Diagram 2-7 2-3 Head/Helmet Mount Adapter Installation 2-8 2-4 Weapon Mount Installation 2-10 .