Care And Maintenance; Battery Safety Instructions - Levenhuk Discovery Atto User Manual

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.
• Do not disassemble batteries.
• Remember to switch off devices after use.
• Keep batteries out of the reach of children, to avoid risk of ingestion, suffocation, or poisoning.
• Utilize used batteries as prescribed by your country's laws.
Levenhuk Warranty
Levenhuk products, except for their accessories, carry a 2-year warranty against defects in materials and
workmanship. All Levenhuk accessories are warranted to be free of defects in materials and workmanship for
six months from the purchase date. The warranty entitles you to the free repair or replacement of the Levenhuk
product in any country where a Levenhuk office is located if all the warranty conditions are met.
For further details, please visit: www.levenhuk.com/warranty
If warranty problems arise or if you need assistance in using your product, please contact the local Levenhuk
branch.
6