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IZ1228 Scheda tecnica(PDF) 3 Page - Integral Corp. |
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IZ1228 Scheda tecnica(HTML) 3 Page - Integral Corp. |
3 / 9 page IZ1228/IZ1228M 3 Symbols : - : negative number display E : error display , : punctuation comma M : non-zero memory indicator C1, C2 : currency exchange operations indicator Error detections • System errors occur when: 1) The division by zero. 2) The extraction of square root of a negative number. • Rough estimate calculation error occur when The integral part of the result of any standard functions, percentage, square, reciprocal, or power calculations exceed 8 digits. Error indication • System error “0” is indicated in the 1-digit position and “E” in the sign-digit position. • Rough estimate calculation error The high-order 8-digit calculation result is indicated together with “E”. The decimal point is indicated in the position corresponding to a calculation result of time 10 -8, and no zero shift is performed Error release • System error A system error can be release by the ON/C key. • Rough estimate calculation error A rough estimate calculation error can be released by the ON/C, CE key. Number entry Numerical can be entered up to 8 digits. Numerical entries equal to 9 digits or more are ignored. Memory protection In any error detection, the special memory content is retained when auto power off. Key bounce protection Front edge Down to 1 word and up to about 3 words. Trailing edge 9 words 1 word is 3.3ms when display frequency is fd = 100Hz. Auto power OFF Power automatically turns off after 9 - 11 minutes pass from the last key pressure. The special memory content is saving when power auto off. |
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