VEVOR SVM3 Bedienungsanleitung Seite 6

polarity.
3.Circuit testing
1) Connect alligator clip to
negative/positive polarity of the battery,
and then test the position of wire 1.
If the tool displays voltage and the
indicator light is on, it means the circuit
works well; if the tool is not light in the
position of wire 2, it means the wire
between 1 and 2 is disconnected.
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