QUALIFY WITH THE AN/PAS-13B(TWS) - …

1 QUALIFY with THE AN/PAS-13B(TWS) THERMAL WEAPON SIGHT1. ELECTROMAGNETIC SPECTRUM2. CHARACTERISTICS3. PMCS4. OPERATION5. TARGET PREPARATION6. ZEROING PROCEDURES7. QUALIFICATION STANDARDS8. PRACTICAL EXERCISE9. PERFORMANCE EVALUATION TEST10. WRITTEN TEST11. PRACTICE QUAL. AND QUALIFICATIONTWS TRAININGELECTROMAGNETIC SPECTRUMNEAR INFRAREDMIDDLE INFRAREDFAR INFRAREDTHERMAL INFRARED - VIEWED with TWSPAQ-4C LIGHT VIEWED with NVGSELECTROMAGNETIC SPECTRUM BRIGHTNESS - ADJUST TO BEST PICTURE CONTRAST - ADJUST TO BEST PICTUREANY OBJECT with A TEMP ABOVE ABSOLUTE ZERO DEGREES EMITS THERMAL LIGHT (ABS 0 = F)A ROCK IN THE SUN = A ROCK IN THE SHADE =A ROCK IN THE SNOW = A ROCK with A TEMP < ABS 0 =RASTER IR FACTORS EXPOSURE - AMOUNT OF IR EXPOSURE ABSORPTION- AMOUNT OF IR ABSORBED EMISSIVITY - RATE OF IR DISCHARGE OR HEATYESYESYESNOELECTROMAGNETIC SPECTRUMTHERMAL INFRARED DETECTION PROCESS1. ABSORBS AVAILABLE LIGHT INTO LENS2.

2 FILTERS OUT ALL LIGHT EXCEPT THERMAL IR3. CONVERTS THERMAL IR INTO VISUAL IMAGE4. CREATES VIDEO IMAGE SUITABLE FOR VIEWING5. ENHANCE IMAGE with BRIGHTNESS KNOB6. ENHANCE IMAGE with CONTRAST KNOB7. POLARITY OPTION FOR USER NOTE: FAST SCANNING MAY CAUSE STUTTERINGDIURNAL CYCLEINANIMATE OBJECTSPMM48 NOON48 MAMCROSSOVER POINTSABSORBINGLIGHT FROM SUNRE-RADIATING LIGHT CROSS OVER POINTS WHEN INANIMATE OBJECTSAPPROACH THE SAME TEMPERATURETHERMAL CUESENGINETIRESSUSPENSIONCARRYING BAGREMOVE THE TWSZIPPERCOOLING PINSTORQUE LIMITING LBS - LBS - HTWSRUNS SILENTPASSIVEMEDIUMBATTERY COMPARTMENTRAIL GRABBERCOOLING PINSPURGE CAPLENS COVERI/O PORTCHARACTERISTICSHEAVY+ - +WARNING:LITHIUM BATTERY + WATER =EXPLOSIONBB-2847 BATTERY CHARGE LEVEL 1-5UP TO 10 hrs with A BATTERY CHANGE IN EMERGENCY MODE BATTERY LIFE IS APPROXIMATELY INSTALLATIONCHARACTERISTICSBRIGHTNESS KNOBTURNS TWS ON AND OFF (PUSH IN TO TURN ON)STARTS TWO MINUTE COOL DOWN PERIODDEFAULTS TO STANDBY MODEADJUSTS BRIGHTNESS OF RASTERLOW BRIGHTNESS INCREASES RESOLUTIONPUSH IN TO TURN OFFCHARACTERISTICSCOOL DOWN PERIODCOOLS SYSTEM TO OPERATING TEMPERATURE(-144 F)2 MINUTES = NORMAL COOL DOWN PERIODSENSOR COOLING = DISPLAYED ON THE RASTERDEFAULTS TO WHITE HOTFOV IS DETERMINED BY FOV RING S LAST POSITION EYECUPREDUCES LIGHT EMISSIONTURNS ON THE RASTERDIOPTER -FOCUSES RASTER TO USER S EYECHARACTERISTICSEYEPIECE ASSEMBLYNOTE.

3 WHEN FOCUSING RASTER CLOSE LENS COVERCHARACTERISTICSSTANDBY MODEEYECUP IS NOT DEPRESSEDSAVES BATTERY LIFE BY TURNING THE SIGHT OFFKEEPS ONLY COOLING SYSTEM OPERATINGOCCURS AFTER 30 SECONDS OF INACTIVITYCHARACTERISTICSON MODEACTIVATES WHEN EYE CUP IS DEPRESSEDTHERE IS UP TO A 3 SECOND DELAY TO OBTAIN CLEAR RASTERSTANDBY MODE ACTIVATES 30 SECONDS AFTEREYE CUP IS RELEASED. ONLY THE COOLER REMAINS ON IN STANDBY DISPLAYNOTE: ALL OF THE DISPLAYS WILL NOT APPEAR ON RASTER AT SAME ASSEMBLYMTWSW = N = 5W = 18 N = 6 OBJECTIVE FOCUS RING: 20M TO INFINITYCOLLARHTWSW = N = = 9 N= 3 FOV RING=WFOV/NFOVMAGNIFICATIONFOV IN DEGREESNOTE: FOV 1/2 TURNED LOSES RASTER PICTURE PRESS AND RELEASE TO ACTIVATE THE ZOOM MODE PRESS AND RELEASE TO DEACTIVATE ZOOM MODECHARACTERISTICSZOOMTHE FIELD OF VIEWIS HALVED IN ZOOM MODETELESCOPE MAGNIFICATIONIS DOUBLED IN ZOOM MODE/RETICLE SELECT PARTS OF SOME RETICLES CANNOT BE SEEN IN ZOOM MODE WHILE IN NFOV THE ELECTRONIC ZOOM WILL DEFAULT TO THE CENTER OF THE RETICLE WINDAGE AND ELEVATION ADJUSTMENTS ARE HALVEDMTWS M16 RETICLE W / TARGET AT 25 MWFOV with 2X X X MAGNIFICATIONNFOV5 X MAGNIFICATIONNFOV with 2X ZOOM10 X MAGNIFICATIONWINDAGE AND ELEVATION ADJUSTMENTS ARE HALVED WHILE IN AND HOLD FOR FIVE SECONDS TO SELECTS THE AND RELEASE FOR NEXT AFTER 10 SECONDS OF RETICLES ARE AVAILABLE FOR BOTH MTWS AND MIL (2)M240M2495 MIL (3)

4 M16H SL ONLYM2M24MK19NO SCOPECHARACTERISTICSZOOM/RETICLE SELECTMTWS and HTWS The NO SCOPE reticle is provided to support the emergency use of the TWS without a telescope. Do not use the NO SCOPE reticle unless an emergency situation arises and the telescope is damaged and must be RETICLENO SCOPE DISPLAYIMAGE WILL BECOME INVERTED AFTER A 10 SECOND DELAY WHEN TELESCOPE IS INSTALLED If raster image is inverted and the TWS is functioning properly,ensure the TWS is not in the NO SCOPE SELECTNFOVWFOVUSERM16H5 MIL5 MIL5 MIL1 MILM24MK191 MILSQUAD LEADERSNIPERMK19 GUNNERFORWARD THAT CHANGE WHEN FOV CHANGESM16/M4/MWS RETICLESMEDIUM M16000D000 LHEIGHT of 5 FOOTMAN at 300 METERS300 METERAIM POINTNOTE: NARROW VIEW INSIDE BRACKETSNARROW/WIDE FOVWINDAGENARROW = = M16H000D000L300 METER AIM POINTWIDE FOV NARROW MAGNIFICATION M16/M4 SERIES RETICLESSQUAD LEADERS ONLYHEAVY TWS1 MIL000D000L101010102020M249 RETICLEW M249000D000 LNARROW FOV WIDE FOVN M249000D000L200M100 METER200 MHEIGHT of 5 FT MAN/WIDTH of 10 FT OBJECTAT WHEN THE ELECTRONIC ZOOM IS USED IN THE NFOV, THE RETICLE SELECT/ FOV INDICATOR AND OTHER PARTS OF RETICLE ARE NOT VISIBLE.

5 THE ELECTRONIC ZOOM WILL DEFAULT TO THE CENTER OF THE AIM POINT IS 400 METERSM240B RETICLESN M240M000D000LW M240M000D000L200 METERHEIGHT of 5 FT MANWIDTH of 10 FT OBJECTAT 200 METERS200 METERNARROW FOV WIDE FOVZERO AIM POINT IS 500 METERSM2 .50 CAL RETICLESHTWSW M2000D000 LHEIGHT of 5 FOOT WIDTH OF 10 FOOTMAN at 200 METERS OBJECT at 200 METERSWIDE FOVZEROING AIM LINE IS 500 METERSB racket RangeM2 .50 CAL RETICLESHEIGHT of 5 FOOT WIDTH OF 10 FOOTMAN at 500 METERS OBJECT at 1400 METERSNARROW FOVN M2000D000L5 NOTE: AT 1400 METERS SWITCH RANGE LEVER FROM NEAR TO FARCHARACTERISTICSAZIMUTH AND ELEVATIONPRESS AND HOLD IN ANY DIRECTION BUT STRAIGHT IN FOR TWO SECONDS TO 0L5R5U 5D 5 THE SWITCH DISABLES AFTER TEN SECONDS OF KNOBADJUSTS CONTRAST BETWEEN OBJECTSNORMAL CONDITIONS - AUTO MODEADVERSE CONDITION - MANUAL MODEALSO ADJUST BRIGHTNESS KNOB TO OBTAIN BEST IMAGECHARACTERISTICSEMERGENCY MODEPRESS ON.

6 PRESS OFFKEEPS TWS ON CONTINUOUSLY / CRT WILL SHUT OFFELIMINATES THE 3 SECOND DELAY ON EYEPIECEMUST BE IN THIS MODE TO USE THE I O REDUCES BATTERY LIFE BY APPROXIMATELY HALFCHARACTERISTICSPOLARITY SWITCHSYSTEM INITIALIZES TO WHITE HOTBEST SETTING = PERSONAL PREFERENCEWHITE HOT BLACK HOTPMCS on the AN/PAS-13 BCOLLARVIDEO PORTMOUNTING SCREWSEXTERIOR CASEFOV RINGFOCUS RINGLENS COVERLENSEYEPIECEDIOPTER FOCUS RINGPMCSRASTER CHECKSRETICLESWINDAGEELEVATIONWPN SELECTWHT/BLK HOTDEADCHANNELSWHITERETICLE SELECTRETICLE ADJUSTBRIGHTNESSCONTRASTEMERGENCYORBLACK PMCSBATTERY COMPARTMENTENSURE BATTERY IS CHARGEDCONTACTSLIMIT SPRINGSGASKETBATTERY DOORLATCH NOTE: IF BATTERY LOW LIGHT COMES ON AFTER INSTALLATION CHECK FOR CORROSIONSTOPPMCSCOOLING PINSAIR FLOWS THROUGH THE PINS AND COOLS THE TWSKEEP FREE OF MUD. IF ALL OF THE PINS ARE BROKEN OFF THE TWS WILL CONTINUE TO SHOOTING1. RASTER IS ON, JUST CAN NOT GET A PICTURE2.

7 RASTER WILL NOT COME ON3. RASTER IS BLURRY4. FOV IS TOO DARK CAN NOT SEE OBJECTS5. CAN NOT TELL ONE OBJECT FROM ANOTHER6. RASTER IS FOCUSED, TARGET IS BLURRY7. RETICLE WILL NOT CHANGE8. WINDAGE/ELEVATION WILL NOT CHANGE9. BATTERY KEEPS GOING DEAD10. BATTERY LOW LIGHT COMES ON IMMEDIATELYAFTER FIRST TURNING THE SYSTEM ON1. FOV RING IS ONLY TURNED HALF WAY2. BATTERY IS DEAD3. ADJUST DIOPTER FOCUS ADJUST ADJUST ADJUST THE OBJECTIVE FOCUS DEPRESS ZOOM/ RETICLE SELECT SWITCH FOR 5 DEPRESS RETICLE ADJUST SWITCH FOR 2 ENSURE EMERGENCY MODE IS CHECK FOR THE TWS1. INSTALL BATTERY/TURN ON2. ADJUST DIOPTERFOCUS RING4. SET FOV RING5. ADJUST OBJECTIVE FOCUS RING6. ADJUST BRIGHTNESSAND CONTRASTNOTE: ENSURE BATTERY IS FULLY CHARGED3. OPEN LENS COVEROPERATION M16/M4 MOUNTING TWSNOTE: TIGHTEN RAIL GRABBER TWO CLICKS. M16A4/M4/MWSENSURE CABLE IS FACING FORWARD WHEN USING THE M16A2 BRACKET. spacercableM16A2 OPERATION 249 MOUNTINGINTEGRATED FEED TRAY COVERNOTE: MOUNT ON 5 THNOTCH WHEN USING THE IFTC.

8 TIGHTEN RAIL GRABBER TWO MOUNTING BRACKETOPERATION M240 BMOUNTINGNOTE: MOUNT ON 4 THOR 5 THNOTCH OF THE IFTC. TIGHTEN RAIL GRABBER TWO LEVER KNOBTOP LOCKING CAMSSIDE LOCKING CAM1400M NFOV SET RANGE LEVER TO FAR POSITIONOPERATION M2 OPERATION M2 MOUNTINGNOTE: LOCK SIDE CAM FIRST THEN LOCK THE TWO TOP CAMS BOTH AT THE SAME TIMEOPERATION M2 MOUNTINGNOTE: ROTATE RANGE LEVER TO THE NEAR POSITION PRIOR TO ZEROINGTIGHTEN RAIL GRABBER TWO CLICKSM4 MWS Place fingers over ovals on both sides of black dot to create a heat source. Place zeroing aim point in center of black dot (in between the two fingers). Move bore light laser to it s gray dot by making adjustments to the TWS. Continue to make adjustments until the bore light laser is centered in it s gray dot. TWS is bore sighted Stabilizing the weapon is crucial Zero bore : BOTH FOV s MUST BE BORE SIGHTEDMILES LASER POSITION BORE SIGHT TWS TO WEAPON FIRST ADJUST MILES LASER TO IT S POSITION ON THE OFFSET MILES LASER IS ZEROED MUST USE NODS DO NOT USE TAPPING METHOD TO ACTIVATE LASER USE REMOTE SWITCH TO ACTIVATE LASER PERFORM IN DARKENED AREA WHEN PROPERLY DONE, TARGETS CAN BE ENGAGED AT 300 MM4 MWSTARGET PREPARATIONTHERMAL BLANKETTARGET PREPARATIONZERO TARGETUSE M16A2 ZERO TARGETS IS 1 WIDE.

9 CORRUGATED CARDBOARD MUST BORDER THE WHOLE PREPARATIONTHERMAL BLANKETENSURE TARGET IS NOT TAPED ON ALL FOUR AIDS IN AIR CIRCULATION IN BETWEEN THE TARGET AND THE THERMAL PREPARATIONTHERMAL TARGET AT 25 METERSNFOV/BLACK HOTWFOV/WHITE HOTNOTE: NFOV INCREASES THE SIZE OF THE TARGET WHILE WFOV DECREASES THE SIZE OF THE TARGETZEROM16A2/4, M4 AND MWSM16A4, M4 AND MWS M16A2 POINT OF AIMPOINT OF IMPACTM16A2 25M TARGETNOTE:RETIGHTEN AFTER INITIAL 3 ROUND SHOT ( ) SQUARES ( )ZERO M249 POINT OF AIMPOINT OF IMPACTASSUME A GOOD STEADY FIRING POSITION(CRUCIAL)ZERO ON A 25 METER ZERO TARGET(MAKE FINE ADJUSTMENTS) IN BOTH FIELD OF VIEWSNOTE: RETIGHTEN AFTER FIRST 3 ROUNDS SQUARES ( )ZERO M240 BMOUNT TWS ON WEAPONSTABILIZE WEAPON ON TRI-POD AND T&E(CRUCIAL)ZERO ON A 25 METER ZERO TARGET(MAKE FINE ADJUSTMENTS)IN BOTH FOVsNOTE: RETIGHTEN AFTER FIRST 3 ROUNDS FIREDPOINT OF IMPACT SQUARES( S) POINT OF AIMNOTE: MINUS SIGN REPRESENTS ABOVE THE POINT OF AIMZERO M2.

10 50 CALPOINT OF AIMPOINT OF IMPACTSET BRACKET TO NEAR AND MOUNT TWSSTABILIZE WEAPON ON TRI-POD AND T&E(CRUCIAL) ZERO ON A 25 METER ZERO TARGET (MAKEFINE ADJUSTMENTS) IN BOTH FOVSNOTE: RETIGHTEN AFTER FIRST 3 ROUNDS SQUARES( )ZEROING PROCEDURESRETICLE ADJUSTMENTMTWSWFOV 1= cm@25 MNFOV 1= cm @25 MHTWS WFOV 1= cm @25 MNFOV 1= cm @25 MM16/M4 SERIESTO DECREASE CONFUSION1=1 FOR MTWS & HTWS IN FOR MTWS IN FOR HTWS IN METER ZERO PROCEDURESM4/M16 SERIES- 18 ROUNDS TO ZERO IN WFOV- 18 ROUNDS TO ZERO IN NFOVNOTE: RETIGHTEN AFTER THE FIRST 3 ROUNDSFIREDZEROING PROCEDURESRETICLE ADJUSTMENTMTWSWFOV 1= cm@25 MNFOV 1= cm @25 MHTWS WFOV 1= cm @25 MNFOV 1= cm @25 MM240TO DECREASE CONFUSION1=1 FOR MTWS & HTWS IN FOR MTWS IN FOR HTWS IN PROCEDURESRETICLE ADJUSTMENTM249M225 METER ZERO PROCEDURESM249/240B/M2-FIRE THREE SINGLE INSPECT TARGET-MAKE NECESSARY ADJUSTMENTSNOTE: Retighten after the first 3 rounds are firedContinue until the first round hits the desired point of impact-FIRE THREE CONSECUTIVE SINGLE ROUNDS-INSPECT TARGET-5 OUT OF 6 ROUNDS CONSECUTIVELY TO BE ZEROED IN BOTH OUT OF 12 ROUNDS TO BE ZEROED IN BOTH FOV FOR THE BAGRETURN THE TWSREMOVE BATTERYTORQUE LIMITING KNOB COOLING PINSZIPPERPRACTICE QUALIFICATIONRECORD QUALIFICATION(DAY/NIGHT)23 OUT OF 40 TO QUALIFY DAY STANDARDSNOTE: SOLDIER SELECTS FOVENGAGINGM16A2/4, M4 AND MWS:ENGAGINGM249 PRACTICE QUALIFICATIONRECORD QUALIFICATION(DAY/NIGHT)6 out of 11 TO QUALIFY DAY STANDARDSNOTE: SOLDIER SELECTS FOVENGAGING M240 BPRACTICE QUALIFICATIONRECORD QUALIFICATION(DAY/NIGHT)6 out of 11 TO QUALIFY DAY STANDARDSNOTE: SOLDIER SELECTS FOVENGAGING M2 PRACTICE QUALIFICATIONRECORD QUALIFICATION(DAY/NIGHT)7 out of 11 TO QUALIFY DAY STANDARDSNOTE.