A AN NIGHT VISION DEVICES

MYTHS OF MYTHS OF THETHE NIGHT NIGHT

VISION VISION DEVICESDEVICES

1. ONE SIZE FITS ALL

Head Mount

Helmet Mount

PROPER FIT HEAD MOUNT

• Loosen all straps (2” from end)• Snap front and rear snaps • With both hands pull neck pad and assembly over head

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

• Adjust chin and vertical straps until tight

PPROPER FIT HELMET MOUNT

Nape Strap

Chin Strap

• Press release / remove mounting bracket

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

• Remove strap slack / close buckle lever

• Tension the nape strap for stable fit• Secure NVD to mount bracket

2. NVD’S 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

ORDER OF ADJUSTMENTS

• Eye Relief

• Interpupillary Adjustment

(AN/PVS7’s only)

• Diopter Adjustment

• Objective Focus

** Any adjustment to the head strap requires eye relief adjustment

INTERPUPILLARY ADJUSTMENT

AN/PVS-7

EYE RELIEFSOCKET

RELEASE

BUTTON

• Comfortable distance

• Best visibility

DIOPTER ADJUSTMENTAN/PVS-7/14

DIOPTER ADJUSTMENT

Used to focus the eyes (with or without glasses) to the image intensification screen

Diopter Adjustment

OBJECTIVE LENS FOCUS KNOBAN/PVS-7/14

Adjust for sharpest view of image being viewed

Lens Focus

VARIABLE GAIN CONTROLAN/PVS-14

VARIABLE GAIN

AN/PVS14

Variable Gain

Adjusts the illumination input to the eye

FOR OPTIMUM PERFORMANCE

Adjust the television before turning the channels!!!