1.1.4 Instructions
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Before opening up the instrument, always disconnect from
all sources of electric current and make sure you are not
charged with static electricity, which may destroy internal
components.
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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.
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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.
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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.
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For continue protection against fire, replace fuse only with
the specified voltage and current rating: F500mA/250V.
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Never use the meter unless the back cover and battery
cover are in place and fastened fully.