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 it 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 by an authorized service.
•Prevent bright light from focusing through the eyepiece.
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