A AN NIGHT VISION DEVICES

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A AN NIGHT VISION DEVICES
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MYTHS OF THE NIGHT VISION DEVICES
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1. ONE SIZE FITS ALL
Head Mount Helmet Mount
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PROPER FIT HEAD MOUNT

• With both hands pull neck pad and assembly over
  head

• Adjust chin and vertical straps until tight

• Holding chin cup in place pull slack/ snug on top
  and side straps

• Loosen all straps (2 from end)

• Snap front and rear snaps

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PPROPER FIT HELMET MOUNT
Chin Strap
Nape Strap

• Remove strap slack / close buckle lever

• Press release / remove mounting bracket

• Secure front and rear brackets with
  catch in the up position

• Tension the nape strap for stable fit

• Secure NVD to mount bracket

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2. NVDS SELF ADJUST

• THE SHARPEST IMAGE WILL BE OBSERVED ONLY WHEN
  THE OBJECTIVE LENS AND EYEPIECE ARE PROPERLY
  FOCUSED
• THESE ADJUSTMENTS OPERATE INDEPENDENTLY AND MUST
  BE MADE SEPERATELY

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ORDER OF ADJUSTMENTS

• Eye Relief
• Interpupillary Adjustment
• (AN/PVS7s only)
• Diopter Adjustment
• Objective Focus
• Any adjustment to the head strap requires eye
  relief adjustment

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INTERPUPILLARY ADJUSTMENTAN/PVS-7
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EYE RELIEF

• Comfortable distance
• Best visibility

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DIOPTER ADJUSTMENTAN/PVS-7/14
DIOPTER ADJUSTMENT
Used to focus the eyes (with or without glasses)
to the image intensification screen
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OBJECTIVE LENS FOCUS KNOBAN/PVS-7/14
Lens Focus
Adjust for sharpest view of image being viewed
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VARIABLE GAIN CONTROLAN/PVS-14
VARIABLE GAIN AN/PVS14
Adjusts the illumination input to the eye
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FOR OPTIMUM PERFORMANCE
Adjust the television before turning the
channels!!!