Radio Shack EC-3031 owner manual Preparation, Choosing a Power Source, Installing Batteries

Page 6

65-754.fm Page 6 Friday, August 27, 1999 1:17 PM

PREPARATION

CHOOSING A POWER SOURCE

You can power your calculator from:

Four AA batteries (not supplied)

Standard AC power, using an AC adapter (not supplied)

If you plan to use the print function fre- quently, we suggest you use an AC adapter.

Installing Batteries

You can power your calculator from four

AAbatteries. We recommend alkaline batteries, such as RadioShack Cat. No. 23-552. You can also use rechargeable nickel-cadmium batteries (Cat. No. 23- 125) with a battery charger (Cat. No. 23-133).

6

Image 6
Contents EC-3031 Features Fm Page 3 Friday, August 27, 1999 117 PM FCC Wants YOU to Know Contents Choosing a Power Source Installing BatteriesPreparation Fm Page 7 Friday, August 27, 1999 117 PM Fm Page 8 Friday, August 27, 1999 117 PM Using AC Power Fm Page 10 Friday, August 27, 1999 117 PM Fm Page 11 Friday, August 27, 1999 117 PM Installing the Paper Roll Fm Page 13 Friday, August 27, 1999 117 PM Fm Page 14 Friday, August 27, 1999 117 PM Fm Page 15 Friday, August 27, 1999 117 PM Operation Turning the EC-3031 ON/OFFPrinting Printing a Displayed Value Rounding Fm Page 20 Friday, August 27, 1999 117 PM Correcting Entry Errors Correcting Calculation Errors Estimating Calculation ResultsCalculation Examples Basic CalculationsConstant Calculations Fm Page 25 Friday, August 27, 1999 117 PM Memory Calculations To recall the value from memory, press MR Percentage Calculations 15% add-on to 25% decrease Markup Calculations Care Replacing the INK Roller Fm Page 33 Friday, August 27, 1999 117 PM Resetting Calculator Specifications Fm Page 36 Friday, August 27, 1999 117 PM Fm Page 37 Friday, August 27, 1999 117 PM Fm Page 38 Friday, August 27, 1999 117 PM Limited One-Year Warranty RadioShack Division Tandy Corporation Fort Worth, Texas