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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 50
o
C
(122
o
F).
• Do not touch optical surfaces. Doing so may damage the
anti-reflection coating.
• 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.
