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c) Inserting and replacing the batteries
Three 1.5 V micro batteries (i.e. AAA or LR03) are required to operate the device. Before first
use or when the change battery symbol appears
in the display, you must insert a new,
full battery.
The change battery symbol has various display levels which you can see in the following table:
Symbol Battery voltage
Result
Key
>4.2 V
OK
Battery voltage is sufficient
4.2 - 3.9 V
OK
Battery voltage is sufficient
3.9 - 3.6 V
OK
Battery voltage will last out the measure-
ment Replace the batteries soon
<3.6 V
NOK
Replace the batteries immediately to
prevent measuring errors
Proceed as follows to insert/replace batteries:
- Disconnect the test leads from the test circuit and the
meter. Turn the DMM off.
- Use a fitting Phillips screwdriver to loosen the screw on
the back. Remove the battery compartment cover from
the device.
- Replace the used batteries with identical new ones.
Insert the new batteries correctly into the battery com-
partment (12). Observe the polarity markings in the
battery compartment.
- Reclose the housing carefully.
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