Question about HP 49g+ Calculator

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Back small orifice where??

How to reset can't find small orifice

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Next to the serial number, above the last line (the one with some symbols) in the written area, on the calculator's back.

Posted on Apr 03, 2008

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There should be a very small hole somewhere , either on the front or the back,with reservation written next to it.push something into it to reset it

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Whenever I hit Y=, Trace, or Graph it says "ERR: DATA TYPE" with 2 options. 1: QUIT 2:GOTO I'm not sure how to fix this.

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If all of these solutions don't work, I'd suggest resetting the calculator. Remove the back panel and if you have a small screwdriver in the house, unscrew the small panel that is revealed and remove the small batteries, taking care to ensure you know which way they go back in. Then, take out the large batteries, and your calculator should turn off completely. Put the small batteries back in, and put the screw on panel back on, then put the large batteries back in. Turn on your calculator and see if that fixes the problem.

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Turn calculator over
Remove two visible Phillip screws
Gently pry up and remove rubber feet on all four corners-remove screws
Button cell battery (original: VINNIC L1131, replacements: Energizer 389/390 or Duracell D390)
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Gently push tab back down
Next: Look at circuit board, locate double arrows
Follow directions: "please press "RESET" after replacing battery"
I just touched the metal flow solder plate (small circle with squiggles) above the words "RESET" with a small screwdriver works

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I really had to "yank" mine apart. I thought I was going to break it but didn't.

Good luck.

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Canon dk100i battery change

it's very easy you have to unscreww on the back of the calculator the 2 small screws and then remove the top and be carefull not to unplug the small wires. Inside you will see the battery holder and you will need to remove the battery carefully by pushing from the side of it with something vry small (like a dime) and then replace it by a new battery type CR2016. Then you put back the cover and the screws.

After that you will have to do a reset with a small pin or with the tip of a pen.

Then it will work as a new one.

I just did it yesterday and itis working pretty well.

Good luck
Regis from Montreal, QC Canada

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try reseting your calculator, press the small reset button on the back.

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I called Canon customer support. There is a tiny reset button on the lower back area of the calculator. Simply stick a small object in there to reset the calculator and you should be as good as new! Worked for me!

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