Night Optics Falcon 6x Gen 3 Gated Long-Range Night Vision Binocular - Manual (Page 70)

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(4) Inspect the goggles for obvious evidence of damage to
optical surfaces, body, eyecups, power switch, battery cap, etc.
Ensure that all optical surfaces are clean and ready for use. Clean
with lens paper.
2-6 INSTALLATION OF BATTERIES
To protect the image intensifier, keep the objective
lens cap on when the monocular is not in use or
when using the NVG in daylight conditions.
The NVG will operate with any of the battery types identified in
Table 2-3. Batteries are not supplied with the NVG and must be
obtained separately.
Table 2-3. Estimated Battery Life.
BATTERY
TYPE NEGLIGIBLE
IR SOURCE
USAGE IR SOURCE USAGE
10%
OF THE TIME
BA-5567/U (Lithium) 22 Hrs. 20 Hrs.
AA Alkaline
AA Lithium L91 60 Hrs.
70 Hrs. 55 Hrs.
65 Hrs.
CAUTION