| | [* black] The battery must be removed by desoldering the two positions shown. Take note of the polarity of the battery before removal. |
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| | [* black] Desolder the points and remove the battery. |
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| | [* black] Solder the new battery in place, maintaining polarity. |
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| | [* black] New battery installed here - the new battery had a plastic ring around it. The tabs may be in slightly different positions and may require manipulation to fit into the existing location |
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| | [* black] Once the battery has been connected, check the display panel to see if the clock is flashing - this will indicate the battery is connected. |
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