Radio Shack EC-252 Скачать руководство пользователя страница 26

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SPECIFICATIONS

Display ................................... 8-Digit LCD

Solar Cell
Minimum Illumination .................. 150 LUX

Battery ................... One 389A Button-Cell

(Cat. No. 23-117)

Battery Life .......................... About 1 Year

Operation Temperature ........... 32°–104°F

(0°C–40°C)

Dimensions .................. 5

××××

(13.2

××××

7.6

××××

0.7 cm)

Weight (Including Battery) ................. 2 oz

(56.7 g)

Specifications are typical; individual units
might vary. Specifications are subject to
change and improvement without notice.

65-538.fm Page 26 Monday, December 13, 1999 9:15 AM

Содержание EC-252

Страница 1: ...Cat No 65 538 OWNER S MANUAL Please read before using this equipment EC 252 Metric Conversion Calculator 65 538 fm Page 1 Monday December 13 1999 9 15 AM...

Страница 2: ...ns your cal culator has dual function keys to perform 20 built in metric conversion calculations CONTENTS Keys and Functions 3 Operation 7 Turning on the EC 252 7 Correcting Entry Errors 7 Calculation...

Страница 3: ...to metric mea surements Converts metric to standard mea surements F C Changes a displayed number from positive to negative and vice versa Also converts Fahrenheit to Celsius and vice versa 65 538 fm...

Страница 4: ...verts 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 acre hectare Performs the mul...

Страница 5: ...d vice versa fl ml Performs the subtraction function Also converts fluid ounces to milli liters and vice versa M Imp ton kg Subtracts from and keeps the answer in memory Also con verts imperial tons t...

Страница 6: ...ersa lb kg Enters the decimal point Also converts pounds to kilograms and vice versa Imp gal l Gives the answer to a calculation Also converts Imperial gallons to liters and vice versa Imp fl ml Perfo...

Страница 7: ...omatically if you do not press any key within about 11 minutes When you turn the calculator off previ ous entries are cleared CORRECTING ENTRY ERRORS If you enter an incorrect value press ON C once Th...

Страница 8: ...CULATION 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 memor...

Страница 9: ...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...

Страница 10: ...e 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 5 2 3 35 65 17 2 2 5 6 88 24 24...

Страница 11: ...is the constant For addition subtraction and division the second value you enter is the constant 36 60 75 MINUS 15 8 MINUS 120 9 MINUS 13 333333 You Press You See 5 7 35 9 45 10 50 100 5 20 You Press...

Страница 12: ...ntage Example 20 of 720 is 144 Add On Example 30 added to 540 is 702 200 40 300 60 You Press You See 720 20 144 You Press You See 540 30 702 You Press You See 65 538 fm Page 12 Monday December 13 1999...

Страница 13: ...e 800 discounted by 20 is 640 Reciprocal Example 1 8 0 125 Exponent Example 7 6 117649 You Press You See 800 20 640 You Press You See 8 0 125 You Press You See 7 117649 65 538 fm Page 13 Monday Decemb...

Страница 14: ...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 val...

Страница 15: ...ar the contents in memory press MRC twice so MEMORY disappears Example 2392 576 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...

Страница 16: ...ve each key show you which conversion each key makes For example in cm is printed above 7 To convert 12 inches into centimeters press 12 7 12 inches 30 48 centimeters To convert centimeters into inche...

Страница 17: ...5 5 cm in Example 7 5 8 in cm Example 12 8 m ft You Press You See 5 5 in cm 7 2 1653543 You Press You See 5 8 7 in cm 7 19 3675 You Press You See 12 8 ft m 8 41 99475 65 538 fm Page 17 Monday Decembe...

Страница 18: ...le 54 yd m Weight Example 630 lb kg Example 1 lb kg You Press You See 54 yard m M 49 3776 You Press You See 630 lb kg 285 768 You Press You See 1 lb kg 0 4536 65 538 fm Page 18 Monday December 13 1999...

Страница 19: ...3 m 3 Example 100 ml US fl oz Example 245 US gal l You Press You See 389 ft 3 m 3 2 11 015313 You Press You See 100 fl ml 3 3813484 You Press You See 245 gal l 3 927 423 oz 65 538 fm Page 19 Monday D...

Страница 20: ...xample 125 F C Example 35 C F Area Example 245 ft 2 m 2 You Press You See 125 F C 51 666666 You Press You See 35 F C MINUS 31 You Press You See 245 ft 2 m 2 5 22 7605 65 538 fm Page 20 Monday December...

Страница 21: ...21 Example 1540 cm 2 ft 2 You Press You See 1540 in 2 cm 2 4 238 70047 65 538 fm Page 21 Monday December 13 1999 9 15 AM...

Страница 22: ...gently and care fully Don t drop it 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...

Страница 23: ...play 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...

Страница 24: ...r 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 remo...

Страница 25: ...y 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...

Страница 26: ...Battery Life About 1 Year Operation Temperature 32 104 F 0 C 40 C Dimensions 5 3 16 3 9 32 in 13 2 7 6 0 7 cm Weight Including Battery 2 oz 56 7 g Specifications are typical individual units might va...

Страница 27: ...REACH OF THIS WARRANTY INCLUD ING BUT NOT LIMITED TO ANY DAMAGES RESULT ING FROM INCONVENIENCE LOSS OF TIME DATA PROPERTY REVENUE OR PROFIT OR ANY INDI RECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES...

Страница 28: ...abuse accident misuse improper or abnormal usage failure to follow in structions improper installation or maintenance alter ation lightning or other incidence of excess voltage or current b any repair...

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