Citizen SR-282 Инструкция по эксплуатации онлайн
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HDBMR17EE01 D25
General Guide
Turning on or off
To turn the calculator on, press [ ON/C ] ; To turn the calculator off,
press [ 2nd ] [ OFF ].
Battery replacement
SR-281 is powered by two alkaline batteries (GP76A or LR44).
SR-282 is powered two AA-size ( UM-3 ) batteries. If the display
becomes dim and difficult to read, the batteries should be replaced as
soon as possible.
To replace batteries :
1) Slide the battery compartment cover in the direction indicated by
the arrow and remove it.
2) Remove the old batteries and install new ones with polarity in
correct directions, then replace the battery compartment cover
and press [ ON/C ].
Auto power-off function
This calculator automatically turns it off when not operated for
approximately 6~9 minutes. It can be reactivated by pressing [ ON/C ]
key and the display, memory, settings are retained.
Reset operation
If the calculator is on but you get unexpected results, press [ MODE ]
[ 4 ] ( RESET ) in sequence. A message appears on the display to
confirm whether you want to reset the calculator and clear memory
contents.
RESET : N Y
Move the cursor to " Y " by [ ], then press [ ] to clear all
variables, pending operations, statistical data, answers, all previous
entries, and memory; To cancel the reset operation without clearing
the calculator, please choose " N ".
If the calculator is lock and further key operations becomes impossible,
please press [ 0 ] [ CE ] at the same time to release the condition. It will
return all settings to default settings.
Contrast adjustment
Pressing the [ – ] or [ + ] following [ MODE ] key can make the contrast
of the screen lighter or darker. Holding either key down will make the
display become respectively lighter or darker.
Display readout
The display comprises two lines and indicators. The upper line is a dot
display up to 128 characters. The lower line is capable of displaying a
result of up to 12 digits, as well as 2-digits positive or negative
exponent.
When formulas are input and executed the calculation by [ ],
they are displayed on the upper line, and then results are shown on
the lower line.
The following indictors appear on the display to indicate you the
current status of the calculator.
Indicator Meaning
M Running memory
– Result is negative
E Error
STO Storing variable mode is active
RCL Recalling variable mode is active
2nd 2nd set of function keys are active
HYP Hyperbolic-trig function will be calculated
ENG Engineering symbol notation
CPLX Complex number mode is active
CONST Display physics constants
DEGRAD Angle mode : DEGrees, GRADs, or RADs
BIN Binary base
OCT Octal base
HEX Hexadecimal base
( ) Open parentheses
TAB Number of decimal places displayed is fixed
STAT Statistics mode is active
REG Regression mode is active
EDIT Statistics data is being edited
CPK CPK : Process capability
CP : Precision capability
USL Set upper specification limit
LSL Setting lower specification limit
i Imaginary part
Allow to use undo function
SR-281 / SR-282
Scientific Calculator
Содержание
- Auto power off function 1
- Battery replacement 1
- Contrast adjustment 1
- Display readout 1
- General guide 1
- Reset operation 1
- Scientific calculator 1
- Sr 281 sr 282 1
- Turning on or off 1
- Before starting calculation 2
- Corrections 2
- Memory calculation 2
- Replay function 2
- Undo function 2
- Using 2nd keys 2
- Using mode keys 2
- Accuracy and capacity 3
- Order of operations 3
- Arithmetic calculation 4
- Basic calculations 4
- Error conditions 4
- Display notations 5
- Parentheses calculations 5
- Percentage calculation 5
- 0 5714285714 6
- 100 06737947 6
- 8 22 7 5 14 3 2 7 6
- 9 5 4 2 1 4 4 2 4 6
- And 2nd e 6
- D e the displayed value will be converted to the improper fraction and vice versa to convert between a decimal and fractional result press a b c 6
- Display of 6
- Display of 5 6
- During a fraction calculation if the figure is reducible a figure is reduced to the lowest terms after pressing a function command key x or 6
- Each time you specify the eng mode a displayed result is automatically shown with the corresponding engineering symbol 6
- Engineering symbol notation 6
- Fraction calculation 6
- Fraction value display is as follow 6
- Key by pressing 2nd 6
- Ln 7 log 100 3 4591014906 6
- Logarithms and antilogarithms 6
- Mode 5 eng 6
- Note values are automatically displayed in decimal format whenever the total number of digits of a fractional values integer numerator denominator separator marks exceeds 12 to enter a mixed number enter the integer part press a b c enter the numerator press a b c and enter the denominator to enter an improper fraction enter the numerator press a b c and enter the denominator 6
- Or the 6
- Perform the following operation to specify engineering symbol notation 6
- Scientific functional calculations 6
- The calculator can calculate common and natural logarithms and anti logarithms using log ln 2nd 10 6
- To exit from this mode press mode 5 once again 6
- Use main mode 1 main mode for scientific function calculations 6
- Angle unit conversions 7
- Hyperbolic inverse hyp functions 7
- Sexagesimal decimal transformation 7
- Trigonometric inverse tri functions 7
- Coordinates transformation 8
- Int frac 8
- Other functions 1 x 8
- Probability 8
- Physics constants 9
- Unit conversion 9
- 1 0664259841 x 10 11
- Or 2nd 11
- Press const to display the physics constants menu 2 press 11
- To insert a constant at the cursor position 11
- Until the constant you want is underlined 3 press 11
- You also can use the const key in combination with a number 1 through 136 to recall a physical constants for example press 15 const 11
- Base n calculations 12
- Bases conversions 12
- Block function 12
- Basic arithmetic operations for bases 13
- Displaying results 13
- Entering data 13
- Logical operation 13
- Negative expressions 13
- Statistical calculations 13
- Deleting data 15
- Editing data 15
- Full message 15
- 7 9 i 15 12 i 22 3 i ab 22 036033112 ar 7 6516601843 16
- Ab absolute value ar argument value 16
- Cbm bldg 5 68 10 nakano nakano ku tokyo 164 0001 japan tel 3 5345 7430 fax 3 5345 7431 citizen is a registered trademark of citizen watch co japan 16
- Clear the indicator the previous data entries are still retained unless you exit stat mode 16
- Complex calculations 16
- Complex mode enables you to add subtract multiply and divide complex numbers 16
- If the times of data entry by data is more than 50 16
- N 12750 appears when the times of data entry by data are up to 50 and the number of repeats for each value are all 255 i e 12750 50 x 255 16
- Re real value im imaginary value 16
- The number of repeats is more than 255 16
- The results of a complex operation are displayed as follow 16
- The unit complies with the requirements of directive 89 336 eec as amended by 93 68 eec 16
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