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)

2 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. 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.

3 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)

4 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: 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.

5 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

6 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)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.

7 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.

8 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.

9 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, 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

10 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. RASTER WILL NOT COME ON3. RASTER IS BLURRY4. FOV IS TOO DARK CAN NOT SEE OBJECTS5.