7. STORAGE AND MAINTENANCE
The unit is a sophisticated precision optical instrument equipped with laser and electronics. Therefore, it should be handled with due care.
∙Keep away from direct sunlight.
∙Avoid impacts, jolts, dust, moisture, and sharp changes of temperature.
∙Do not use the device at temperatures higher than 50oC (122oF).
∙Do not touch optical surfaces. Doing so may damage the
∙Clean optical surfaces only with professional camera lens cleaning supplies.
∙Clean the exterior of the unit with a soft clean cloth.
∙Keep away from heating appliances and central heating.
∙Remove the battery when storing the device for long time.
∙All repair works must be performed only by an authorized service.
∙Prevent bright light from focussing through the eyepiece
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