Newcon Optik NZT1-M2 - Manual (Page 6)

Precautions
NZT1-M2 is a sophisticated precision optical instrument
equipped with electronics.
Therefore, it should be handled with due care.
• Keep your device away from direct sunlight, impacts, dust,
moisture, and sudden changes of temperatures.
• Do not touch the optical surfaces with fingers. Doing so
may damage the anti-reflection coating.
• Cleaning of optical surfaces is possible only with
professional camera lens cleaning supplies.
• To clean the exterior of the device, use only a soft clean
cloth.
• Do not take the cover off the lens if not necessary.
• Keep away from heating appliances and central heating.
• Make sure to switch off the unit during periods of non-
operation and when storing the device for long period of
time.
• Do not apply superfluous efforts at work with lens
assembly, agile elements and thread connections.
• Due to considerable optical magnification of the eye-piece
some small structures inside the tube coating in the form of
dark and/or white points may be seen in the field of view
which does not affect the serviceability of the device.;
• The resolving power (resolution) may change in the
direction from the center towards the perimeter of the field
of view. This is an inherent feature of the image tube type
utilized in the device. We would recommend to place the
scene of observation in the center of the field of view.
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Unit flashes
It is normal for the unit to flash within the first 2 minutes of
activation. If the flashing continues afterwards the following is
a possible cause: bright environment (even with the cap closed
!)
Condensation accumulates on the parts.
It is O.K. to use the scope in cold. However, when the unit is
brought from the cold into a warm environment, it has to warm
up for up to 5 hours (not minutes !). Only then it is allowed to
turn it ON again.
Visibility decreases and / or disappears.
Bright light sources (moon, projectors or headlights) may cause
visibility to degrade or even completely disappear. Move the
scope away from the light source immediately. The image
should be restored in within 2 minutes.
Poor atmospheric conditions such as fog, haze or extremely
dark environments, will decrease the visibility distance of the
unit.
9. WARRANTY:
NEWCON OPTIK warrants this product against defects in material
and workmanship for one year from the date of the original date of
consumer's purchase, but no more than 18 months from the date of
manufacturing. Should your NEWCON product prove defective
during this period, please bring the product securely packaged in its
original container or an equivalent, along with proof of the date of
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