Radio Shack EC-252 owner manual Fm Page 24 Monday, December 13, 1999

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65-538.fm Page 24 Monday, December 13, 1999 9:15

2.Carefully insert a small, flat-blade screwdriver between the lower case halves, then slightly twist the screw- driver to separate the lower front and back case halves.

3.Use a screwdriver to gently pry out the old battery.

Warning: Keep the battery out of reach of children. Swallowing a but- ton-cell battery can be fatal.

Cautions:

•Always remove an old or weak bat- tery. Batteries can leak chemicals that can destroy electronic parts.

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Contents Metric Conversion Calculator Contents IntroductionKeys and Functions Fm Page 4 Monday, December 13, 1999 Enters 5. Also converts Fm Page 6 Monday, December 13, 1999 Correcting Entry Errors OperationTurning on the EC-252 Calculation Errors Estimating Calculation Results Using the +/- KEY Calculation ExamplesBasic Constants Percentage Add-OnDiscount ReciprocalExponent Example /8 =Memory Calculations Example 2392 + 73 = -64.61582 786Conversion Length Example 75/8 in = ? cmExample 12.8 m = ? ft Weight Volume Example 100 ml = ? US fl. ozExample 245 US gal = ? l Temperature AreaExample -35C = ? F Example 1540 cm2 = ? ft2 Care Replacing the Battery Fm Page 24 Monday, December 13, 1999 Fm Page 25 Monday, December 13, 1999 Specifications Limited One-Year Warranty We Service What We Sell