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IZ1229M 数据表(PDF) 4 Page - Integral Corp. |
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IZ1229M 数据表(HTML) 4 Page - Integral Corp. |
4 / 6 page IZ1229M 4 If the memory content is not zero, “M” is indicated in the sign-digit position. Key bounce protection Front edge Minimum 3 words Trailing edge Minimum 16 words 1 word is 3.3ms when display frequency is Fd = 100Hz. Auto power OFF Power automatically turns off after 7 - 8 minutes pass from the last key pressure. By connecting the APODISB pin to GND or VCC, the auto power off function is disabled or enabled, respectively. H1 H2 H3 H2 H3 c10 c9 b9a9 c8 b8a8 c7 b7a7 c6 b6a6 c5 b5a5 c4 b4a4 c3 b3a3 c2 b2a2 c1 b1a1 b10a10 a11 TOUCH TONE ( ) KEY • When power is ON, the touch tone function is enable and the beep sound with f=2KHz is generated output during 125ms and sign is displayed on LCD. • Selection of touch tone function is toggled by touch tone key. CLEAR KEY DESCRIPTION ON/C key • Power-on function. • All operations are cleared by the ON/C key (except memory contents). CE key • CE key can edit the last operand or operator. MARK-UP AND MARK-DOWN CALCULATION ENTRY DISPLAY A A A A +/- × A A B B B B % % A ± AM/100 AM/100 + OR - AM/100 = A + AM/100 OR A – AM/100 Note: AM: AMOUNT Mirror LCD with IZ1229M |
类似零件编号 - IZ1229M |
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类似说明 - IZ1229M |
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