→In this case, the entry can be made more easily
with the previous method using the number entry
keys only.
(When [秒 (SECOND)] is entered, “ ″” will be displayed.)
Notes:
・If a wrong number has been entered, press the clear/clear entry key and enter the correct one.
・If more than three numbers are entered in succession without pressing the time keys, the time keys will not work,
and the entry of the remaining digits should be made according to the method using the number entry keys only.
・If a number greater than 60 is entered for the minute or second digits, one hour or minute is added when [＋], [−]
or [＝] is entered. (In this case, “ ″” mark will be displayed.)
・When a calculation result exceeds 99 hours 59 minutes and 59 seconds, the error mark “Error” is displayed.
To clear the error mark, press the clear/clear entry key. The digits are reset to “0”.
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Entry with the number entry and time keys
・After entering numbers, enter the time digit ([時(HOUR)],[分 (MINUTE)] or [秒 (SECOND)]).
This method is useful for entering time having blank digits.
Ex. 1) 2 hours 15 minutes and 10 seconds
[2] [時 (HOUR)] [1] [5] [分 (MINUTE)] [1] [0] [秒 (SECOND)]
Ex. 2) 15 minutes and 2 seconds
[1] [5] [分 (MINUTE)] [2] [秒 (SECOND)]→Start entering from the digits having numbers.
↑
Entry of [秒 (SECOND)] can be eliminated.
Ex. 3) 10 hours and 8 seconds
[1] [0] [時 (HOUR)] [0] [8] [秒 (SECOND)]→It is not necessary to enter [分 (MINUTE)].
↑
Entry of [秒 (SECOND)] can be eliminated.
↑
Entry of [秒 (SECOND)] can be eliminated.
Addition
Standard calculation
・Enter a time, [＋], another time and [＝].
Ex.) (3 minutes and 25 seconds)＋(2 minutes and 1 second)＝:
[3] [2] [5] [＋] [2] [0] [1] [＝]
Successive addition
Ex.) (1 minute and 15 seconds)＋(34 seconds)＋··＋(15 minutes and 3 seconds)＝:
[1] [1] [5] [＋] [3] [4] [+]., [+][1] [5] [3] [＝]
Subtraction
Standard calculation
Ex.) (4 minutes and 18 seconds)−(1 minute and 54 seconds) =:
[4] [1] [8] [−] [1] [5] [4] [＝]
Successive subtraction
Ex.) (2 hours)−(1 hour and 36 minutes)−··−(8 seconds)＝:
[2] [時 (HOUR)] [−] [1] [時 (HOUR)] [3] [6] [分 (MINUTE)] [−] ·· [−] [8] [＝]
Combined calculation of addition and subtraction
･ The addition and subtraction procedures described above can be carried out successively.
Ex.) (1 hour and 4 minutes)＋(25 seconds)−(7 minutes and 37 seconds) ··＋(9 minute) ＝
[1] [時 (HOUR)] [4] [分 (MINUTE)] [＋] [2] [5] [−] [7] [3] [7] ·· [＋] [9] [分 (MINUTE)] [−]
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Correction of wrong entries
When a wrong number has been entered but [＋] [−] or [＝] key is not pressed:
Press the clear/clear entry key and enter the correct one.
Ex.) (3 minutes and 25 seconds)＋(2 minutes and 1 second):
[3] [2] [5] [＋] [3] [0] [1]
To correct “3” to “2” :
[C/CE] [2] [0] [1] [＝]
Note:
If no arithmetic operation key is pressed after a wrong number has been entered,
it can be corrected easily using the clear/clear entry key. If an arithmetic operation
key is pressed after a wrong entry, however, the entry cannot be undone. In that
case, press the clear/clear entry key to cancel the calculation, and then, reenter
the times from the beginning. In the case of the example above, enter the times
from “3 minutes and 25 seconds” again.
If a wrong arithmetic operation key is pressed:
Press the correct one immediately after the wrong key is pressed.
Ex.) (3 minutes and 25 seconds)＋(2 minutes and 1 second):
[3] [2] [5] [−]
If you noticed the mistake at this point, press the proper key immediately
after the wrong one.
[＋] [2] [0] [＝]
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How to use the calculation result in other modes (Timer and stopwatch modes)
・The calculation result obtained in the time calculation mode is automatically stored in memory and
can be recalled and used as the strarting time in the timer and stopwatch functions.
After a calculation is completed, change the mode to the timer or stopwatch before a new calcula-
tion is made.
(Turn the mode selector to change the mode.)
If the timer or stopwatch is counting, press the buttons to stop and reset it.
Then, press the recall key. The calculation result will be recalled and displayed.
Press button to start the timer or stopwatch.
(For details, refer to “■ HOW TO USE THE TIMER” and “■ HOW TO USE THE STOPWATCH”.)
Notes:
・If the calculation by pressing arithmetic operation keys, the time entered in the time calculation
mode cannot be stored and recalled in the timer or stopwatch modes. In that case, the calculation
result obtained previously will be displayed by pressing the recall key. Check the displayed time
before starting the timer or stopwatch.
・When calculations are made successively, the calculation result stored in memory is renewed
each time a calculation is made.
・If the error mark “Error” is displayed after a calculation, the memory is cleared completely, and
the previous calculation result will also be erased from memory. Therefore, “0” will be displayed
when the recall key is pressed.
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Remarks on the calculation
・If the calculation result is more than 99 hours 59 minutes and 59 seconds or less than-99
hours 59 minutes and 59 seconds, the error mark “Error” will be displayed and no digits will
be shown if the number entry key are pressed. In that case, press the clear/clear entry key to
reset the digits to “0”.
・If the error mark is displayed, the calculation result retained in memory will be erased and “0”
will be displayed by pressing the recall key in the timer or stopwatch mode.
・If the mode selector is turned to change the mode from the time calculation mode to another
during or after a calculation, entered time or calculation result shown on the display will be
erased and “0” will be displayed when the mode is returned to the time calculation.
・The calculation result stored in memory will be retained unless a new calculation is made or
unless the error mark is displayed after a calculation.
・The calculation result in memory cannot be displayed in the time calculation mode.
・The calculation result in memory cannot be erased by pressing the clear/clear entry key.
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