Helmet Mounted Operation - ATN PVS-14 Operator's Manual

NOTE
The sharpest image will be observed only when the objective
lens and eyepiece lens are properly focused.
(7) rotate the diopter adjustment for the clearest view of the image
intensifier screen.
NOTE
Any readjustment of eye relief requires readjustment of the
diopter.
(8) adjust the eye relief distance by pressing the eye relief adjust-
ment and sliding monocular fore or aft to obtain a full field-ofview
of the image. reset the diopter adjustment for best image.
(9) adjust the objective lens focus (Figure 2.1.) while observing an
object until the sharpest image is obtained.

2.4.3. HELMET MOUNTED OPERATION

CAUTION
Take some precaution when using/handling the helmet mount.
Most damage occurs when the helmet mount is left on the
helmet when not needed for immediate use. Observe the fol-
lowing cautions to significantly extend the useful life of the
helmet mount.
CAUTION
• Do not use excessive force when changing the up/down posi-
tion of the MUNVM. Excessive force can break the headmount/
helmet mount adapter.
• Do not drop or throw the helmet with the helmet mount
attached to it.
• With the monocular in the flipped up position, do not flick the
monocular down by shaking the helmet. This places signifi-
cant stress on the helmet mount.
• All Other Services – Return the helmet and the helmet mount
to unit maintenance for direct mounting of the bracket via the
helmet screws.
perform the following procedures for helmet mounted operation.
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