8
Symbol
Meaning
Please read the manual carefully.
When end users abandon this product,
they must send the product to the
collection place for recycling.
Warning
Information that you must learn about
possible harm of this product to users
Caution
Some important information that you
must learn
Attention
Information that is necessary for you to
protect this product against damage
25
Chapter 4
Cleaning and Disinfection
4.1
Cleaning
Ensure that the appearance of the instrument is clean. To clean
the instrument, power off and remove the batteries first. Then
clean the outer surface of the instrument (including the OLED
screen) using a piece of dry soft cloth dipped with 75% medical
alcohol.
Do not immerse the unit in alcohol!
Caution: Do not use any strong dissolving agent such as
acetone.
Caution: Do not rub the body of the instrument using
materials such as steel wire balls or polished metal
objects.
Caution: Ensure that there is no any washing liquid on
the surface of the instrument.
