Question about HP 12c Calculator

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Fading Display Display fades and calc goes off when batttery holder slide panel is seated in place. Battery is new and tested strong, but blinking * asterisk is displayed in lower left display window corner with slide panel removed.

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  • dale2262 Dec 20, 2007

    Same as described. Display starts on then goes away. Changed battery, manipulated battery placement, still have problem.

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Do a search at this site:

http://www.sears.com/shc/s/dap_10153_12607_DAP_Battery+Finder

You should find the right specs and replacement batteries. I believe that you have an old style battery that has a memory function. These don't.

Posted on Mar 13, 2008

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The blinking asterik means low battery. Could be that your replacement batteries aren't full power.

What is really sounds like is a static charge problem though. If you don't have anything stored in memory that you are worried about losing, try taking the batteries out for a full 24 hours. This will let the capacitor drain and performs a static discharge. After 24 hours put working batteries back in.

Posted on Jan 30, 2008

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