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1. Keep the instrument away from water, dust
and shock.
2. Do not store and operate the meter under
the condition of high temperature, high
humidity,
combustible,
explosive
environment and strong magnetic field.
3. Wipe the case with a damp cloth and
detergent; do not use abrasives and
alcohol.
4. If the instrument is not operated for a long
time, please take out the battery to avoid
leakage.
5. Pay attention to the status of the 1.5v
battery. When the LCD displays a flashing
“
”symbol, the battery shall be
replaced;
The steps are as follows:
