简介
Checking the battery is fairly easy, all you will need is a multimeter, which can be purchased at a local hardware store.
你所需要的
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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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即将完成!
To reassemble your device, follow these instructions in reverse order.
结论
To reassemble your device, follow these instructions in reverse order.
2等其他人完成本指南。