V&A VA503, Руководство пользователя

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1.1.3 Symbols:
Symbols used in this manual and on the meter:
Caution : refer to the instruction manual.
Incorrect use may result in damage to the
device or its components
.
Conforms to IEC1010
1.1.4 Instructions
* Before operating the meter, always disconnect from all
sources of electric current and make sure you are not
charged with static electricity, which may destroy internal
components.
* Any adjustment, maintenance or repair work carried out
on the meter while it is live should be carried out only by
appropriately qualified personnel, after having taken into
account the instructions in this present manual.
* If any faults or abnormalities are observed, take the
instrument out of service and ensure that it can not be
used until it has been checked out.
* If the meter is not going to be used for a long time, take
out the battery and do not store the meter in high
temperature or high humidity environment.
* Never use the meter unless the back cover and battery
cover are in place and fastened fully.