AD Instruments
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©Copyright Abacanto Digital SA.
Manual de usuario AD4120ER
15
6. Maintenance
Battery Replacement:
When the symbol appears on the display, replace with new batteries as
instructed below:
(1) Disconnect the test leads from the instrument and turn off the power.
(2) Use a screwdriver to unscrew the screw on back cover then slide away the
cover, take out the batteries and replace with new batteries type SUM-3(R6P).
(3) Place back cover and secure bay with screw. Cleaning and storage:
Periodically wipe the case with a damp cloth and detergent. Do not use
abrasives or solvents.
If the meter is not to be used for periods of longer than 60 days, remove the
batteries and store them separately.
WARNING !
To avoid electrical shock or damage to the meter, do not get water inside the case.
