65-754.fm Page 11 Friday, August 27, 1999 1:17 PM

1.Attach the 5.5 mm outer diameter/ 2.1 mm inner diameter barrel plug to the adapter cord, matching TIP on the plug’s side with –NEG on the cord.

2.Set the adapter’s voltage switch to 6V.

3.Insert the adapter’s barrel plug into the calculator’s jack.

Note: Battery power automatically disconnects when you connect an AC adapter to the calculator.

4.Plug the other end of the adapter into a standard AC outlet.

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Radio Shack EC-3031 owner manual Fm Page 11 Friday, August 27, 1999 117 PM