Maintenance troubleshooting, Sunlight, Warning – Night Optics Adventurer Gen 1+ Night Vision Goggle User Manual
Page 10: Symptom, Probable cause, Corrective action

MAINTENANCE
TROUBLESHOOTING
SUNLIGHT
Night Vision is sensitive to light and must be stored away from direct contact with bright
light sources of any kind.
!WARNING!
Improper care or unauthorized maintenance can damage device and may result in
warranty nullification.
SYMPTOM
No visible Image
Image flickers, flashes,
or clicking is heard
Dark spots on screen
Image not clear
Fixed pattern noise.
(Honeycomb)
Pattern of dark thin lines
(chicken wire).
Image dimmer than
usual.
PROBABLE CAUSE
a. Objective lens cap not been removed.
b. Battery cover is loose.
c. Incorrect battery polarity
d. Weak battery
a. Normal for new battery to cause this
for first five minutes.
a. Cosmetic blemishes. Normal for this
technology.
a. Focus is not adjusted.
b. Too close to object
a. Cosmetic blemishes caused by too
much illumination.
a. Normal under worst conditions. These
lines will form hexagonal or square
wave-shaved lines.
a. Weak batteries
b. Low natural illumination level.
CORRECTIVE ACTION
a. Remove cap
b. Tighten cover
c. Re-insert battery
d. Replace battery
a. If condition continues contact
manufacturer for service instructions
a. Acceptable as long as it does not
interfere with operation of the device
a. Adjust focus
b. Increase viewing distance.
a. Acceptable as long as target
resolution can be resolved.
a. Acceptable as long as it does not
interfere with operation of the device
a. Replace the batteries.
b. Turn on IR illuminator.
9
NIGHT OPTICS USA
NIGHT VISION GOGGLES