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Battery • Keep batteries out of the reach of small children. • Use only the type of battery specified for this calculator in this manual. Handling Precautions • Even if the calculator is operating normally, replace the battery at least once every two years. A dead battery can leak, causing damage to and malfunction of the calculator.
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Keep batteries out of the reach of small children. Use only the type of battery specified for this calculator in this manual. Even if the calculator is operating normally, replace the battery at least once every two years (R03 (UM-4)), or three years (LR44 (GPA76)). dead battery can leak, causing damage to and malfunction of the calculator.
For safety reasons, please do not replace the battery yourself. Always leave battery replacement up to an authorized CASIO service center.
Page 14: Installing Memory Backup Batteries Batteries and Roll Paper This part of the manual tells you how to load the memory backup batteries and how to install the roll paper for printing of receipts or the journal.
9 Αυγ 2015 · My hypothesis is that the running time with no AAAs is on the order of one to two seconds because the calculator is not directly running off the backup battery, instead drawing power from something like a capacitor charged up by the backup battery.
The fx-9750GA Plus is the last model utilizing a backup battery. It was launched in 2008 and replaced by the fx-9750GII in 2009. All Casio calculators now save user RAM data on a NOR flash chip when you turn off the device.
