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MAINTENANCE
● Battery replacement:
When press the "BATT" button, if the "BATT LED"
doesn't glow, replace with a new 9V battery.
● Cleaning and storage:
Periodically wipe the case deterged with a damp cloth;
do not use abrasives or solvents.
If the meter is not to be used for periods of longer
than 60 days, remove the battery and store them
separately.