Clean the lens with professional lens cleaning supplies intended for use with multicoated optics.
Blow any dust or dirt off the lenses using dry, compressed air.
Clean the NVMT SPARTAN housing with a soft, clean cloth coated in some synthetic cleaning means.
5
Always store the NVMT SPARTAN in its case in a dry well-ventilated and well-heated room away from heating/air
conditioning vents. Remove the battery if the device is to be stored longer than 2 months.
STORAGE
CAUTION!
Your NVMT SPARTAN can be used in extreme cold. However, when the unit is brought back into a warm
environment, you MUST wait approximately 2-3 HOURS before using the unit again. Failure to do so may
result in damage as a result of condensation accumulating on the internal circuitry of the unit.
MAINTENANCE
Direct the turned on unit at an object at a distance of around 30m. Rotating the eyepiece (4), focus on the tube's
screen — rough surface or tiny dark dots are visible. Rotate the objective lens (5) until the image quality is optimal.
Re-focus the eyepiece, if necessary. After this adjustment you may not rotate the eyepiece irrespective of the
distance and objective lens.
Direct your NVMT Spartan at an object to be viewed and adjust the final focus by rotating the objective lens focusing
ring until the image is optimal. When screwing the objective lens into the housing, it focuses on farther objects, when
screwing out - on closer ones.
When you are finished using your NVMT Spartan put the cap back on the objective lens, turn off the unit and put
it into the carrying case.
Push of the “ON” button when the IR is on will make both green and red LEDs go out (IR will be off as well).
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TROUBLESHOOTING
The scope will not turn on...
Check that the battery is installed properly. Install the battery according to the (+) and (-) polarity, ensuring that the
markings on the battery and battery compartment correspond with one another. Check the battery contact to ensure it is
clean and free of corrosion; if necessary, clean the contact. Make sure that the external contact lug is not bent.
If necessary, replace the battery as it may be depleted. Also, be sure that the power is in the “ON” position when trying
to turn on the scope.
Distinct black dots appear on the screen...
These dots are minor cosmetic blemishes resulting from tube production processes and do not interfere with the
reliability or performance of the scope.
The scope flickers, flashes or “snows”...
The scope may flicker or flash when used in a bright environment; to correct this, place the cap over the objective lens
and enter a dark environment. The scope will restore itself to a natural functioning state in several minutes or hours,
depending on how long the scope had been exposed to the light.
The scope may flicker for the first several seconds of use, even when in a dark environment, before the scope corrects
itself and functions properly.
The scope may “snow” for several minutes after being exposed to a bright light source (daylight, a car's headlights, fire,
etc.) even if being operated in complete darkness.
The image is not focused...
Adjust the focus of the eyepiece and the objective (see Use and Testing). Check that the lenses are not foggy or dusty;
if they are, carefully clean the external surfaces of lenses with a soft cotton fabric. Replace the battery if the total battery
charge is less than 2.0 V.
When the unit is brought into a warm environment from a cold one, condensation may appear on the internal lenses;
you must wait two hours before using the unit.
Visibility decreases or disappears...
Bright light sources, such as headlights, may cause visibility to decrease or disappear and the image to flicker. Turn the
power off and turn the scope away from the light source; visibility will restore itself in several minutes.