ATN Multi Purpose Night Vision NVM14-3, Operator'S Manual

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4-2
4.1 OpERATING INSTRUCTIONS
A. BATTERY INSTALLATION
CAUTION
To protect the image intensifier, keep the lens cap on the
objective lens when the monocular is not in use or when
checked out in daylight conditions.
NOTE
At operating temperatures below –20°C (–4°F), alkaline bat
-
teries are not recommended, as operating life will be severely
reduced. Lithium-iron disulfide 1.5V A A batteries or equivalent
should be used below –20°C (–4°F).
Table 4-1 Battery Life
Estimated Battery Life
Battery Type Usage
CR123A 60 Hours (Gen. 2+)
50 Hours (Gen.3 and 4)
Standard AA 30 Hours(Gen. 2+)
25 Hours (Gen.3 and 4)
The ATN NVM-14 operates with one AA battery or one CR123 A
battery when using the battery adapter.