Care And Maintenance; Battery Safety Instructions - Levenhuk ST Serie Bedienungsanleitung

Caution: Please refer to the specifications table for the correct mains voltage and never attempt to plug a 110V device
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into 220V outlet and vice versa without using a converter. Remember that mains voltage in the U.S. and Canada is 110V
and 220—240V in most European countries.

Care and maintenance

• Never, under any circumstances, look directly at the Sun, another bright source of light or at a laser through this
device, as this may cause PERMANENT RETINAL DAMAGE and may lead to BLINDNESS.
• Take necessary precautions when using the device with children or others who have not read or who do not fully understand
these instructions.
• After unpacking your microscope and before using it for the first time check for integrity and durability of every component
and connection.
• Do not try to disassemble the device on your own for any reason. For repairs and cleaning of any kind, please contact your
local specialized service center.
• Protect the device from sudden impact and excessive mechanical force. Do not apply excessive pressure when adjusting
focus. Do not overtighten the locking screws.
• Do not touch the optical surfaces with your fingers. To clean the device exterior, use only special cleaning wipes and special
optics cleaning tools from Levenhuk. Do not use any corrosive or acetone-based fluids to clean the optics.
• Abrasive particles, such as sand, should not be wiped off lenses, but instead blown off or brushed away with a soft brush.
• Do not use the device for lengthy periods of time, or leave it unattended in direct sunlight. Keep the device away from
water and high humidity.
• Be careful during your observations, always replace the dust cover after you are finished with observations to protect the
device from dust and stains.
• If you are not using your microscope for extended periods of time, store the objective lenses and eyepieces separately from
the microscope.
• Store the device in a dry, cool place away from hazardous acids and other chemicals, away from heaters, open fire and
other sources of high temperatures.
• When using the microscope, try not to use it near flammable materials or substances (benzene, paper, cardboard, plastic,
etc.), as the base may heat up during use, and might become a fire hazard.
• Always unplug the microscope from a power source before opening the base or changing the illumination lamp. Regardless
of the lamp type (halogen or incandescent), give it some time to cool down before trying to change it, and always change it
to a lamp of the same type.
• Always use the power supply with the proper voltage, i.e. indicated in the specifications of your new microscope. Plugging
the instrument into a different power outlet may damage the electric circuitry of the microscope, burn out the lamp, or
even cause a short circuit.
• Seek medical advice immediately if a small part or a battery is swallowed.

Battery safety instructions

• Always purchase the correct size and grade of battery most suitable for the intended use.
• Always replace the whole set of batteries at one time; taking care not to mix old and new ones, or batteries of different
types.
• Clean the battery contacts and also those of the device prior to battery installation.
• Make sure the batteries are installed correctly with regard to polarity (+ and —).
• Remove batteries from equipment that is not to be used for an extended period of time.
• Remove used batteries promptly.
• Never short-circuit batteries as this may lead to high temperatures, leakage, or explosion.
• Never heat batteries in order to revive them.
• Remember to switch off devices after use.
• Keep batteries out of the reach of children, to avoid risk of ingestion, suffocation, or poisoning.
• Do not disassemble batteries.
• Utilize used batteries as prescribed by your country laws.
Levenhuk International Lifetime Warranty
All Levenhuk telescopes, microscopes, binoculars and other optical products, except for accessories, carry a lifetime warranty
against defects in materials and workmanship. Lifetime warranty is a guarantee on the lifetime of the product on the market.
All Levenhuk accessories are warranted to be free of defects in materials and workmanship for six months from date of retail
purchase. The warranty entitles you to free repair or replacement of the Levenhuk product in any country where a Levenhuk
office is located if all warranty conditions are met.
For further details please visit our web site: www.levenhuk.com/warranty
If warranty problems arise, or if you need assistance in using your product, contact the local Levenhuk branch.
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