Newcon Optik NEWCON LRM1500SPD - Manual (Page 18)

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6. 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).
 Prevent unit from direct sunlight
 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 only by an authorized
service.
 Prevent bright light from focussing through the eyepiece