Enclosure (2) to COMDTINST 1543.3
cartridge cover and pull. The cartridge is marked with positive and negative signs to assist
with battery orientation. To replace the cartridge, line the cartridge up and slide
it back into the compartment, ensuring that you hear two audible clicks. This indicates that the
cartridge is properly seated, which helps prevents breakage if the unit is dropped.
Built-In IR Illuminator: All ITT night vision systems have a built-in infra-red (IR) illuminator
that is designed to provide supplemental light when there is not enough ambient light for
proper function. To turn on the IR illuminator on the PVS-14, pull the power switch away
from the unit (it's spring-loaded) and turn the switch an additional click clockwise. To turn it
off, turn the switch back one click counter-clockwise.
LED On Indicator: The MNVDs have an IR-On indicator light. When the IR illuminator is on,
a steady red light will be visible in the viewing area of the MNVD.
Night vision MNVDs are ruggedized and as a result, are very durable. With proper care and
maintenance, they should last for many years. Use fresh water, NO chemicals to rinse away
dirt and debris after use. Dry with a soft, lint-free cloth. Clean with a lens pen or lens paper.
Store in a dry place.
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