Radio Shack EC-3031 Owner's Manual page 11

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.
11