Newcon Optik LRB 4000CI - Manual (Page 30)

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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 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 the unit 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.