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NIGHT VISION GOGGLES AN/AVS-6 OPERATIONS CW4 Art Lawler. LEARNING OBJECTIVE. Increase Instructor Pilot’s Basic Understanding Of The Night Vision Goggles Operations (NVG’s). ANVIS. COMPONENTS. BATTERIES. 3.0 VOLTS. DUAL BATTERY PACK. CLIP-ON POWER SOURCE (COPS). WEIGHT BAG. LANYARD.
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LEARNING OBJECTIVE Increase Instructor Pilot’s Basic Understanding Of The Night Vision Goggles Operations (NVG’s)
BATTERIES 3.0 VOLTS
WARNING DO NOT ATTACH THE LANYARD TO THE FLIGHT HELMET.
EYEPIECE LENS 15 MM 25 MM REFERENCE DOTS
OPERATIONAL SEQUENCE Object *Power Supply (ABC/BSP)* 6000 7000 Volts TO Lens Channels Output Window Input Window Eye Piece Lens Photocathode Electrons 180 degree Twist Microchannel Plate Phosphor Screen Multiplied Electrons
OSAP OPTIMAL SIGHT ADJUSTMENT POINT
Eyepiece FOV Obstructed NVG FOV NVG FOV Eye relief too short NVG alignment OSAP Eye relief too long Eye span too wide Eye span too narrow Eye relief too long Eye span too narrow NVG too high Right eye too low NVG too low
TYPES OF VISUAL DEFICIENCIES • OPERATIONAL DEFECTS • COSMETIC BLEMISHES
OPERATIONAL DEFECTS • SHADING • EDGE GLOW • FLASHING, FLICKERING OR INTERMITTENT OPERATIONS
NOTE MAKE SURE THE SHADING IS NOT THE RESULT OF IMPROPER TILT, EYE-SPAN ADJUSTMENT, OR VERTICAL ADJUSTMENT.
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
ADVERSE ENVIRONMENTAL CONDITIONS • SALTWATER • DUST OR SAND • HOT, HUMID, RAIN OR ARCTIC • NBC
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?