Einleitung
Checking the battery is fairly easy, all you will need is a multimeter, which can be purchased at a local hardware store.
Werkzeuge
Ersatzteile
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Plug the red probe into the center jack, the black probe into the bottom jack, and turn the range selector switch to 20 DCV.
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Turn the multimeter on.
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Touch the red probe to the indicated positive side and the black probe to the indicated negative side.
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Replace the battery if the voltage reads below 2.5 volts.
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Abschluss
To reassemble your device, follow these instructions in reverse order.
