Owner`s manual

943457842
• Assign a checking factor to each number, starting with the units position of the number (in this example,
the 2) up to the highest order position (the 9). Use checking factors of:
2,3,4,5,6,7,2,3,4,5,6,7...
• Multiply the checking factor with its assigned number and add the products:
4 + 12 + 32 + 35 + 30 + 28 + 6 + 12 + 36 = 195
• Divide the sum by 11
195/11 = 17 remainder 8
• Subtract remainder from 11
11 - 8 = 3
• New Check Digit
3 (If the remainder is 10, no check digit is added.)
• Data with check digit is:
943457823
131