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1 operating instructions – ATN NVM14 User Manual

Page 32

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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

Bettery Type

Usage

CR123A

>40 Hours

Standard AA

>20 Hours

The ATN NVM-14 operates with one CR123A battery or one AA

battery when using the AA battery adapter.