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I am trying to change the 2016 battery in my Casio AQ 150W. I put the new battery in but no power. On inside of case it says "after battery replacement, contact AC with battery ( ) using tweezers". I don't know what AC is. Please explain. Thank you.

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  • michal25 Jan 19, 2009

    I'am dealing with the same problem I have no idea what they mean by "AC" I've tried to contact the battery + with everything possible but with no result :-(

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I have a similar model.  The electronics sometimes needs to be reset after the battery is changes.  Get a magnifying glass and look closely at the stainless frame around the battery.  There is a small AC mark and a triangle which points toward a small gold contact down in an adjacent hole.  This contact must be shorted momentarily to the + side of the battery to reset the display.  You can bend a metal paper clip to make the connection.  You may have to try several times before it resets. It should reset to 12:00 and start running.

Posted on May 20, 2009

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Hope this helps! Take care and please Remember to rate/vote and give me
4 Thumbs Up for me to continue for Helping out the Community :)
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CASIO Watch User Manual Archives http://world.casio.com/wat/download/en/manual/
Use this page to download a copy of CASIO watch manuals in PDF format.
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Rate me, plz.

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