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Changing The Batteries - HP 35s User Manual

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Changing the Batteries

The calculator is powered by two 3-volt lithium coin batteries, CR2032.
Replace the batteries as soon as possible when the low battery annunciator (
appears. If the battery annunciator is on, and the display dims, you may lose data.
If data is lost, the   message is displayed.
Once you've removed the batteries, replace them within 2 minutes to avoid losing
stored information. (Have the new batteries readily at hand before you open the
battery compartment.)
To install batteries:
1. Have two fresh button–cell batteries at hand. Avoid touching the battery
terminals — handle batteries only by their edges.
2. Make sure the calculator is OFF. Do not press ON (
battery–changing procedure is completed. If the calculator is ON when the
batteries are removed, the contents of Continuous Memory will be erased.
用 BK+B
3. Turn the calculator over and slide off the battery cover.
4. To prevent memory loss, never remove two old batteries at the same time. Be
sure to remove and replace the batteries one at a time.
Support, Batteries, and Service
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) again until the entire
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