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power .Press the “HOLD B/L” key to turn on the power ,
“APO” disappear from the LCD
5
．
MAINTENANCE
Do not try to modify the electric circuit.
5-1. Keep the meter away from water, dust and shock.
5-2. Do not store and operate the meter under the
condition of high temperature, high humidity,
combustible, explosive and strong magnetic place.
5-3. Clean the case with a damp fabric and detergent, do
not use abrasives and alcohol.
5-4. If do not operate for a long time, should take out
the battery to avoid leakage
5-5
．
Replacing fuse
Please use the same type and specification fuse as
