ANSWER 7 | ||
No, it will not mistake your hands for others Human hands are very unique for each person. Even a twins can not cheat the system. Their hands are different because hands are developed as you live in a different environment. If you are engaged in a business where you use your hands ( most of the business will require you to use your hands, right? ),your muscles are developed different as you use them. When you enjoy sports, the muscles are developed accordingly. Basically everybody¡¯s hands are very unique to each other. There may be person whose hands look very similar in size and their characteristics to you , but to the eyes of the readers, they are very different from one another. There are cases, however, one person out of 1,000 or more. The hands with same shapes, size thickness and muscles are developed exactly the same way ¨C a coincidence. Strictly speaking, they are not the same but they falls within the acceptable range to be recognized as a same person even by the HRGs. This range of acceptable value is called ¡° threshold¡± and it is programmable. If you happen to find two hands form different person being accepted by the HGRs, you can change this threshold value for the staffs in question. The default value is 100 threshold , but you can make it 80 or lower for those two person only, leaving the rest of the staffs with threshold value of 100 9 factory defaults ). This can only be done by PC communication software, not at the each reader side. |
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