Night Optics Falcon 6x Gen 3 Gated Long-Range Night Vision Binocular - Manual (Page 76)

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Figure 2-10. Compass Installation.
(6) Refer to paragraph 2-24 for operation of the compass.
2-11 INSTALLATION OF LIF
Install the LIF as follows:
(1) Remove the container/wrench from the carrying case
(Figure 1-1).
Be careful not to touch glass surfaces. If you get
fingerprints or contamination on glass surfaces,
use lens paper to clean the LIF. If moisture is
needed, use your breath to mist the surface of the
glass.
(2) If the objective lens cap, compass, or sacrificial window
is on the objective lens, remove it.
CAUTION