Precautions
NVS 15 is a sophisticated precise optical instrument equipped with electronics. It should be handled with due care:
∙Do not touch the optical surfaces other than for cleaning. Doing so may damage the
∙Clean optical surfaces with professional lens cleaning supplies.
∙Use only a soft clean cloth to clean the exterior of the device.
∙Keep the unit away from sources of heat, such as heating appliances, sunlight or central heating.
∙Switch off the unit and remove the battery during the extended periods of
∙Do not apply an excessive force or pressure to the lens assembly, movable parts and thread connections.
∙Small dark and/or light spots may be seen in the field of view due to considerable optical magnification of the eyepiece. This does not affect the operational capabilities of the device.
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