NIGHT VISION GOGGLES AN/AVS-6 OPERATIONS CW4 Art Lawler NONE

LEARNING OBJECTIVE Increase Instructor Pilot’s Basic Understanding Of The Night Vision Goggles Operations (NVG’s) THIS MUST BE READ OR HAVE A STUDENT READ THE TLO.

ANVIS NONE

COMPONENTS

BATTERIES 3.0 VOLTS

DUAL BATTERY PACK

CLIP-ON POWER SOURCE (COPS)

WEIGHT BAG

LANYARD

DO NOT ATTACH THE LANYARD WARNING DO NOT ATTACH THE LANYARD TO THE FLIGHT HELMET. NONE

EYEPIECE LENS 15 MM 25 MM REFERENCE DOTS

MONOCULAR COMPONENTS *

*Power Supply (ABC/BSP)* OPERATIONAL SEQUENCE Object 6000 7000 Volts *Power Supply (ABC/BSP)* TO Lens Channels Output Window Input Window Eye Piece Lens Photocathode Electrons 180 degree Twist Microchannel Plate Phosphor Screen Multiplied Electrons

MONOCHROMATIC VIEWING

ANVIS MOUNT MECHANICAL CONTROLS NONE

FLIP UP PROCEDURE

FLIP DOWN PROCEDURE

LOCK RELEASE BUTTON

PIVOT AND ADJUSTMENT SHELF

TILT ADJUSTMENT LEVER

VERTICAL ADJUSTMENT KNOB

EYE-SPAN KNOB(S)

FORE AND AFT ADJUSTMENT KNOB

OBJECTIVE FOCUS RING

EYEPIECE FOCUS RING

LOW BATTERY INDICATOR LIGHT

OSAP OPTIMAL SIGHT ADJUSTMENT POINT

NVG FOV NVG alignment OSAP Eyepiece Obstructed NVG FOV Eye relief too long too short Eye span too wide too narrow Eye span too narrow Eye relief too long too low too high Right eye

TYPES OF VISUAL DEFICIENCIES OPERATIONAL DEFECTS COSMETIC BLEMISHES

OPERATIONAL DEFECTS SHADING EDGE GLOW FLASHING, FLICKERING OR INTERMITTENT OPERATIONS NONE

SHADING

NOTE MAKE SURE THE SHADING IS NOT THE RESULT OF IMPROPER TILT, EYE-SPAN ADJUSTMENT, OR VERTICAL ADJUSTMENT. NONE

EDGE GLOW

FLICKERING OR INTERMITTENT OPERATIONS FLASHING, FLICKERING OR INTERMITTENT OPERATIONS

COSMETIC BLEMISHES BRIGHT SPOTS / EMISSION POINTS BLACK SPOTS CHICKEN WIRE IMAGE DISTORTION FIXED PATTERN NOISE IMAGE DISPARITY OUTPUT BRIGHTNESS VARIATION NONE

BRIGHT SPOTS / EMISSION POINTS

BLACK SPOTS

CHICKEN WIRE

IMAGE DISTORTION

FIXED-PATTERN NOISE

IMAGE DISPARITY This condition may exist when there is a difference in brightness between the two image-intensifier assemblies within the same binocular.

OUTPUT BRIGHTNESS VARIATION This condition is evidenced by areas of varying brightness in or across the image area. The lower contrasts do not exhibit distinct lines of demarcation nor do they degrade image quality. Do not confuse output brightness with shading.

ADVERSE ENVIRONMENTAL CONDITIONS SALTWATER DUST OR SAND HOT, HUMID, RAIN OR ARCTIC NBC NONE

SUMMARY COMPONENTS OF THE ANVIS DESCRIPTION OF THE MONOCULAR COMPONENTS OPERATIONAL SEQUENCE CHARACTERISTICS OF THE ANVIS MECHANICAL CONTROL CHARACTERISTICS OPERATOR CHECKS LOW BATTERY INDICATOR MOUNTING THE ANVIS

SUMMARY FLIPPING DOWN AND FLIPPING UP THE ANVIS METHOD OF POWERING THE ANVIS ADJUSTING THE ANVIS FOCUSING THE ANVIS DISMOUNTING THE ANVIS VISUAL DEFICIENCIES CLEANING STEPS ADVERSE ENVIRONMENTAL CONDITIONS

ADVERSE ENVIRONMENTAL CONDITIONS QUESTIONS?