3
NOTICE
Always follow the basic precautions listed below to avoid the possibility of serious injury or
even death from electrical shock, damage, fire or other hazards. These precautions
include, but are not limited to, the followings:
1. Read and understand all the instructions.
2. Always follow the instructions on the instrument.
3. Before cleaning the instrument, always remove the electric plug from the outlet as well
as the USB cable. When cleaning, use a soft and dry cloth. Do not use gasoline,
alcohol, acetone, turpentine or any other organic solutions; do not use liquid cleaner,
spray cleaner or too wet cloth.
4. Do not use the instrument near water or moisture, such as bathtub, washbasin,
washing sink in the kitchen or similar places.
5. Do not place the instrument on an unstable place where it might accidentally fall over.
6. Do not jam sinks- or holes of the instrument; those sinks- or holes are used for air
circulation to prevent the instrument from overheating. Do not place the instrument
near heat sink or any places with poor air circulation.
7. Do not place anything on the power cord. Make sure the power cord is set on a safe
place, so nobody will step on it and no body will trip over it.
8. Do not insert anything in the instrument, which may cause fire or electrical shock. Do
not splash any kind of liquid to the instrument.
9. Do not disassemble the instrument in case of accidental electrical shock.
10. Always take the instrument to a qualified service center in need of repair. You will
endanger yourself if you open or remove the cover, and improper assembly may
cause electrical shock in future use.
11. Unplug all the connectors and take the instrument to a qualified service center if
anything in the below listed happens:
(1) The power cord or connector gets damaged or worn out.
(2) Any liquid gets into the instrument.
(3) The instrument gets rain or water splash.
(4) The instrument does not work properly after following all the instructions.
(5) The instrument falls down or gets broken.
(6) The instrument functions poorly.
12. Do not use the instrument in thunder; otherwise the thunder may cause long-distance
electrical shock.
13. When the power cord is connected to the AC outlet, do not touch the naked part of the
cord or the connector.
14. Keep the instrument away from dust, heat and vibration.
15. WORLDE is not responsible for any damage or data loss caused by improper
operation to the instrument.
16. All the pictures and the LED displays in the manual are used for demonstration; they
may be different from the real instrument.
