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A AN NIGHT VISION DEVICES. MYTHS OF THE NIGHT VISION DEVICES. 1. ONE SIZE FITS ALL. Head Mount Helmet Mount. PROPER FIT HEAD MOUNT. With both hands pull neck pad and assembly over head. Adjust chin and vertical straps until tight.
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1. ONE SIZE FITS ALL Head Mount Helmet Mount
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
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
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
SOCKET RELEASE BUTTON EYE RELIEF • Comfortable distance • Best visibility
Diopter Adjustment DIOPTER ADJUSTMENTAN/PVS-7/14 DIOPTER ADJUSTMENT Used to focus the eyes (with or without glasses) to the image intensification screen
OBJECTIVE LENS FOCUS KNOBAN/PVS-7/14 Lens Focus Adjust for sharpest view of image being viewed
Variable Gain VARIABLE GAIN AN/PVS14 VARIABLE GAIN CONTROLAN/PVS-14 Adjusts the illumination input to the eye
FOR OPTIMUM PERFORMANCE Adjust the television before turning the channels!!!