Radio Shack EC-252 User's Manual
Contents
1. 65 538 fm Page 14 Monday December 13 1999 9 15 MEMORY CALCULATIONS To store a value in memory first press MRC memory recall clear twice to clear the memory then press ON C to clear all calculations To add a value to memory enter the num ber or calculation you want to add then press M The calculator totals the current calculation if one is pending and adds that value to memory Note MEMORY appears in the upper right to show that a value is stored in memory To subtract a value from memory enter the number or calculation you want to sub tract then press M The calculator totals the current calculation if one is pending and subtracts that value from memory 14 o p e SO 65 538 fm Page 15 Monday December 13 1999 9 15 PA To recall the value from memory press MRC once The memory value appears To clear the contents in memory press MRC twice so MEMORY disappears Example En 73 64 61582 786 432 You Press You See MRC MRC ON C 0 786 M MEMORY 786 432 M MEMORY 432 2392 MEMORY 2392 576 MEMORY 2968 MRC MEMORY 354 MEMORY 8 3841807 15 o p e V 65 538 fm Page 16 Monday December 13 1999 9 15 You Press You See 73 MINUS MEMORY 64 61582 CONVERSION and lt let you select the conversion di rection to metric or from metric The symbols above each key show you which conversion e2. 1999 9 15 e Temperature Example 125 F C You Press You See 125 gt F lt gt 51 666666 Example 35 C F You Press You See 35 lt Fe C MINUS 31 Area Example 245 ft m You Press You See z z 245 gt ft lt p m 5 22 7605 20 o p e SO 65 538 fm Page 21 Monday December 13 1999 9 15 PA Example 1540 cm ft You Press You See z z 1540 lt lt in lt p cm 4 238 70047 21 o po e 65 538 fm Page 22 Monday December 13 1999 9 15 CARE To enjoy your EC 252 Metric Conversion Calculator for a long time Keep the calculator dry If it gets wet wipe it dry immediately e Use and store the calculator only in normal temperature environments Handle the calculator gently and care fully Don t drop it e Keep the calculator away from dust and dirt Wipe the calculator with a damp cloth occasionally to keep it looking new Modifying or tampering with the calcula tor s internal components can cause a mal function and invalidate its warranty If your calculator is not performing as it should take it to your local RadioShack store for assistance 22 o p e 65 538 fm Page 23 Monday December 13 1999 9 15 REPLACING THE BATTERY Although your calculator uses solar power most of the time the backup battery
3. 65 538 fm Page 1 Monday December 13 1999 i Cat No 65 538 OWNER S MANUAL Please read before using this equipment EC 252 Metric Conversion Calculator B aioshac e E E A ns 65 538 fm Page 2 Monday December 13 1999 9 15 A INTRODUCTION Your EC 252 Metric Conversion Calculator conveniently combines an internal battery and a solar panel so you can use the cal culator anywhere It also has a three key memory system so you can add subtract and recall a calculated figure In addition to performing standard calculations your cal culator has dual function keys to perform 20 built in metric conversion calculations CONTENTS Keys and Functions 3 Operation ccseeceeeseeeeseeeeeseeeees pan e Turning on the EC 252 a Correcting Entry Errors sete Calculation Errors ccceseeeees 8 Using the Key ossec 10 Calculation Examples 10 Memory Calculations 0 14 Conversion CAN anis sera s n A AT Replacing the Battery 23 Specifications cccseceeseeeeeeeees 26 1999 Tandy Corporation All Rights Reserved RadioShack is a registered trademark used by Tandy Corporation 2 o p e SZ ce ee 65 538 fm Page 3 Monday December 13 1999 9 15 KEYS AND FUNCTIONS gt Converts standard to metric mea surements lt Converts metric to standard
4. 150 LUX Battery One 389A Button Cell Cat No 23 117 Battery Life 2 0 0 ee About 1 Year Operation Temperature 32 104 F 0 C 40 C Dimensions 05 5 She x3 x 32 in 13 2 x 7 6 x 0 7 cm Weight Including Battery 2 oz 56 7 9 Specifications are typical individual units might vary Specifications are subject to change and improvement without notice L e je J Zs 65 538 fm Page 27 Monday December 13 1999 9 15 Limited One Year Warranty This product is warranted by RadioShack against manu facturing defects in material and workmanship under nor mal use for one 1 year from the date of purchase from RadioShack company owned stores and authorized Ra dioShack franchisees and dealers EXCEPT AS PRO VIDED HEREIN RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES IN CLUDING THOSE OF MERCHANTABILITY AND FIT NESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES CONTAINED HEREIN EX CEPT AS PROVIDED HEREIN RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO CUS TOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY LIABILITY LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY INCLUD ING BUT NOT LIMITED TO ANY DAMAGES RESULT ING FROM INCONVENIENCE LOSS OF TIME DATA PROPERTY REVENUE OR
5. PROFIT OR ANY INDI RECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF RadioShack HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Some states do not allow the limitations on how long an implied warranty lasts or the exclusion of incidental or consequential damages so the above limitations or ex clusions may not apply to you In the event of a product defect during the warranty pe riod take the product and the RadioShack sales receipt as proof of purchase date to any RadioShack store Ra dioShack will at its option unless otherwise provided by law a correct the defect by product repair without charge for parts and labor b replace the product with one of the same or similar design or c refund the pur chase price All replaced parts and products and prod ucts on which a refund is made Continued 27 o po e Sa Zs 65 538 fm Page 28 Monday December 13 1999 9 15 Continued become the property of RadioShack New or reconditioned parts and products may be used in the per formance of warranty service Repaired or replaced parts and products are warranted for the remainder of the origi nal warranty period You will be charged for repair or re placement of the product made after the expiration of the warranty period This warranty does not cover a damage or failure caused by or attributable to acts of God abuse accident misuse improper or abnormal usage failure to follow in structions impr
6. ach key makes For example in lt gt cm is printed above 7 To convert 12 inches into centimeters press 12 gt 7 12 inches 30 48 centimeters To convert centimeters into inches use 16 o p e SO 65 538 fm Page 17 Monday December 13 1999 9 15 e Length Example 5 5 cm in You Press You See 5 5 in lt cm 7 2 1653543 Example 7 Isin cm You Press You See 5 847 Din lt p cm 7 19 3675 Example 12 8 m ft You Press You See 128 lt ft lt p m 8 41 99475 17 e p e 65 538 fm Page 18 Monday December 13 1999 9 15 e Example 54 yd m You Press You See 54 gt yard lt gt m M 49 3776 Weight Example 630 lb kg You Press You See 630 gt Ib lt gt kg 285 768 Example 1 b kg You Press You See 1 gt bb 4 gt kg 0 4536 18 e p e 65 538 fm Page 19 Monday December 13 1999 9 15 e Volume Example 389 f m You Press You See 389 gt ft lt m 2 11 015313 Example 100 ml US fl oz You Press You See 100 lt fl oz lt p mi 3 3813484 Example 245 US gal You Press You See 245 gt gal 4 gt 1 3 927 423 19 o p e 65 538 fm Page 20 Monday December 13
7. ge the displayed value from positive to negative or from negative to positive Note MINUS appears for a negative value CALCULATION EXAMPLES Basic You Press You See 256 378 634 471 223 248 15 5x23 35 65 17 2 2 5 6 88 24 24 10 o p e 65 538 fm Page 11 Monday December 13 1999 9 15 You Press You See 36 60 75 x MINUS 15 8 MINUS 120 9 MINUS 13 333333 Constants For multiplication the first value you enter is the constant For addition subtraction and division the second value you enter is the constant You Press You See 5x7 35 9 45 10 50 100 5 20 o p e 11 65 538 fm Page 12 Monday December 13 1999 9 15 e You Press You See 200 40 300 60 Percentage Example 20 of 720 is 144 You Press You See 720 x 20 144 Add On Example 30 added to 540 is 702 You Press You See 540 30 702 12 o p qyO 65 538 fm Page 13 Monday December 13 1999 9 15 e Discount Example 800 discounted by 20 is 640 You Press You See 800 20 640 Reciprocal 1 Example 8 0Q 125 You Press You See 8 0 125 Exponent 6 Example 7 117649 You Press You See Testaa 117649 13 o p e
8. mea surements 4 Changes a displayed number from positive to negative and vice versa Also converts Fahrenheit to Celsius and vice versa a 9 as 65 538 fm Page 4 Monday December 13 1999 9 15 A 2 acre gt m Performs the division function Also converts acres to square meters and vice versa ON C Turns on power Also clears the last entry when pressed once and clears the whole calculation when pressed twice 7 in gt cm Enters 7 Also converts inches to centimeters and vice versa 8 ft m Enters 8 Also converts feet to meters and vice versa 9 mile km Enters 9 Also converts miles to kilometers and vice versa x acre hectare Performs the multi plication function Also converts acres to hectares and vice versa MRC Memory Recall Clear Recalls an answer from memory when you press it once Clears the memory when you press it twice 4 o p e as 65 538 fm Page 5 Monday December 13 1999 9 15 A 2 2 4 in cm Enters 4 Also converts square inches to square centimeters and vice versa 2 2 5 ft gt m Enters 5 Also converts square feet to square meters and vice ver sa 2 2 6 mile km Enters 6 Also converts square miles to square kilometers and vice versa fl 5z 4ml Performs the subtraction function Also converts fluid ounces to milli liters and vice versa M Imp ton kg S
9. oper installation or maintenance alter ation lightning or other incidence of excess voltage or current b any repairs other than those provided by a RadioShack Authorized Service Facility c consumables such as fuses or batteries d cosmetic damage e transportation shipping or insurance costs or f costs of product removal installation set up service adjustment or reinstallation This warranty gives you specific legal rights and you may also have other rights which vary from state to state RadioShack Customer Relations 200 Taylor Street 6th Floor Fort Worth TX 76102 We Service What We Sell 4 99 RadioShack A Division of Tandy Corporation Fort Worth Texas 76102 07A99 Printed in China o p e
10. s ON C once Then enter the correct value and continue your calculation 7 o p qyO 65 538 fm Page 8 Monday December 13 1999 9 15 A To clear the display for a new calculation press ON C twice 0 appears then begin the new calculation If you press an incorrect operator key x simply press the correct key and con tinue your calculation CALCULATION ERRORS ERROR appears in the upper left corner when A calculation result exceeds 8 digits to the left of the decimal point This is an overflow error see Estimating Calcu lation Results A memory calculation result exceeds 8 digits to the left of the decimal point Memory contents remain unchanged e You try to divide by 0 To clear an error press ON C 8 e p e A Airs 65 538 fm Page 9 Monday December 13 1999 9 15 A Estimating Calculation Results If you perform a calculation that results in an overflow error you can estimate the cor rect result to 8 significant digits by follow ing these steps 1 Count the number of digits displayed to the left of the decimal point 2 Remove the decimal point 3 Add as many zeros to the right of the number as there were digits to the left of the decimal point For example the displayed value ERROR 1 0142064 is estimated to equal 101 420 640 9 o p e 65 538 fm Page 10 Monday December 13 1999 9 15 PA USING THE KEY Press to chan
11. ubtracts from and keeps the answer in memory Also con verts imperial tons to kilograms and vice versa 3 3 1 in cm Enters 1 Also converts cubic inches to cubic centimeters and vice versa 3 3 2 ft m Enters 2 Also converts cu bic feet to cubic meters and vice versa e p e as 65 538 fm Page 6 Monday December 13 1999 9 15 A 3 gal 1 Enters 3 Also converts US gallons to liters and vice versa M yard m Adds and stores a cal culation answer in memory Also converts yards to meters and vice versa 0 oz6 g Enters 0 Also converts ounces to grams and vice versa Ib4kg Enters the decimal point Also converts pounds to kilograms and vice versa Imp gal4 gt 1 Gives the answer to a calculation Also converts Imperial gallons to liters and vice versa Imp fl 5z 4ml Performs the addi tion function Also converts Imperial fluid ounces to milliliters and vice versa KJ4 gt KC Figures percentages Also converts kiloJoules to kilocalories and vice versa 6 e p e 65 538 fm Page 7 Monday December 13 1999 9 15 OPERATION TURNING ON THE EC 252 Press ON C to turn on the calculator Notes e The calculator turns off automatically if you do not press any key within about 11 minutes e When you turn the calculator off previ ous entries are cleared CORRECTING ENTRY ERRORS If you enter an incorrect value pres
12. will eventually become weak and need replac ing If the display speed slows down in a dimly lit room replace the battery with a 389A type button cell battery RadioShack Cat No 23 117 Caution Use only a fresh battery of the re quired size and type Follow these steps to replace the battery 1 Use a small Phillips screwdriver and remove the two screws from the lower case o po e SZ ce ee 65 538 fm Page 24 Monday December 13 1999 9 15 PA 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 e Always remove an old or weak bat tery Batteries can leak chemicals that can destroy electronic parts 24 o p qyO 65 538 fm Page 25 Monday December 13 1999 9 15 Dispose of the old battery promptly and properly Do not burn or bury it 4 Position the new battery so the posi tive side is up then insert it into the battery compartment 5 Snap the front and back case halves back together then replace the screws 25 o p e 65 538 fm Page 26 Monday December 13 1999 9 15 SPECIFICATIONS Display ui ee te its 8 Digit LCD Solar Cell Minimum Illumination ee e
Download Pdf Manuals
Related Search