General Maintenance; Replacing The Batteries - MAC TOOLS EM720C Notice D'instructions

6.1 General Maintenance

This section provides basic maintenance principles, including cleaning
and battery replacement.
Do not attempt to do any repair or calibration to the meter unless you
are experienced maintenance personnel.
Remove test leads from meter before opening the
battery cover to avoid damage or injury.
Use a damp cloth and a small amount of detergent to clean
the meter regularly. Do not use abrasives or chemical
solvents. Dirty or wet input jacks can affect readings.
To clean the input jacks:
1. Turn off meter and remove test leads.
2. Wipe any debris off input jacks.
3. Use a cotton swab with a cleaner/lubricant to clean jacks.
4. Use a new swab for each jack to prevent cross contamination.

6.2 Replacing The Batteries

To avoid false reading that can lead to injury or
damage to the meter, replace the battery as soon as
the low battery symbol "
leads and disconnect from all circuits before opening
the battery cover.
To replace the batteries:
1. battery Specifications : size AAA 1.5V.
2. Turn off the meter and remove test leads.
3. Unscrew the battery cover.
4. Replace the used batteries with new ones. Be sure to observe
polarity when replacing batteries.
5. Replace battery cover and tighten before use.
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WARNING
WARNING
" appears. Remove test
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