Care And Maintenance; Battery Safety Instructions - Levenhuk DTX RC 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 attempt to recharge primary batteries as this may cause leakage, fire, or
explosion.
• 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 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. Levenhuk will repair or replace such
product or part thereof which, upon inspection by Levenhuk, is found to be defective
in materials or workmanship. As a condition to the obligation of Levenhuk to repair or
replace such product, the product must be returned to Levenhuk together with proof of
purchase satisfactory to Levenhuk. This warranty does not cover consumable parts, such
as bulbs (electrical, LED, halogen, energy-saving and other types of lamps), batteries
(rechargeable and non-rechargeable), electrical consumables etc. 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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