Night Optics Falcon 6x Gen 3 Gated Long-Range Night Vision Binocular - Manual (Page 25)

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Demist Shields – The two demist shields (Figure 1-2) are used to
prevent the eyepiece lenses from becoming fogged.
LIF – The LIF (Figure 1-2) is to be used at all times. For replacing
the filter the container is also the wrench. The container/wrench is
used to remove and replace the LIF from the objective lens.
Sacrificial Window – A replaceable sacrificial window (Figure 1-2)
is supplied to protect the objective lens during operation in adverse
conditions.
IR Spot/Flood Lens – This additional authorized item (AAL) (Figure
1-2) focuses the IR light for a narrow beam (spot) or wide angle
(flood) beam illumination.
Compass – This item (Figure 1-2) enables operator to see azimuth
readings in the goggles viewing area. It is an AAL item for the
AN/PVS-7B. It is a Component of End Item (COEI) of the
AN/PVS-7D.
Tethering Cord – This AAL item (Figure 1-2) enables the user to
attach the compass or 3X magnifier to his/herself to guard against
dropping or losing these items.
3X Magnifier – (AAL Item) The 3X magnifier (Figure 1-2) is a lens
assembly, which can be added to the objective lens to extend the
operator’s observation ranges.
b. Headmount. The adjustable cushioned headmount (Figure
1-1) secures the goggles to the operator’s head for night viewing
and provides freehand support for use with a weapon, protective
mask or other purposes. The thin browpad used for large heads,
comes attached to the headmount; the thick and medium
browpads, used for smaller heads, are stored in the carrying case.