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Storage and care, Trouble shooting, 3x afocal lens – ATN NVG-7 User Manual

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5

5X Lens

3X Lens

StoRaGe anD caRe

• If the device is not to be used for extended period of time (more than 10 days) remove the

battery.

• Avoid touching lenses. If fingerprints or traces of dirt or dust appear, clean their surface with

a Photographic lens cleaning tissue.

• Keep lens cap/daylight filter on when not in use.
• The NVG-7 is not harmful to the user or the environment.
• Do not disassemble except to clean the front lens and eyepiece:

it will void your warranty.

• Evaluate the scope function by looking through it in a lit environment

with the daylight filter

lens cap on. never use in daylight without the daylight filter lens cap on.

never point the nVG7 at a bright light source.

• Adverse atmospheric conditions such as fog, smog, or haze and a lack of ambient light

(moon or starlight) may diminish the effective viewing distance.

tRouble ShootinG

Q: Flashes, flickers, or clicking occur while operating
S: If it occurs within the first five minutes of inserting new batteries, it is normal and the device

will resume normal operation soon thereafter. If it occurs for more than 10 minutes, contact for

service instructions.
Q: Dark spots on screen.
S: These are either cosmetic blemishes in the intensifier tube or dust particles.
Q: Screen becomes darker than at previous use.
S: Replace batteries. If problem persists, contact your dealer or other authorized service rep-

resentative for service instructions.
Q: Image not clear.
S: Adjust objective lens, and/or the eyepiece.

3X afocal lenS

(optional)

The NVG-7 with 3X or 5X front lens can be

used as a powerful night vision bi-ocular.
To install 3X Afocal Lens screw it on the

front lens of NVG-7.
To install 5X lens unscrew the objective

lens of NVG-7 and screw F112 Lens to

the free place (make sure that the unit is

turned off).