
4-20
Packet Reference Manual
Classification: Avery Dennison – Public
Sum of Products Calculation
This is an exam ple of how the printer us es Sum of Produc ts to c alc ulate a c hec k digit for this
data:
5 2 3 2 4 5 2 1 9
1 .
W eights are applied to eac h digit, s tarting with the las t digit in the weight s tring. They are
applied right to left, beginning at the right-m os t pos ition of the field. Rem em ber, a weight
s tring m us t c ontain at leas t two different num bers . This exam ple has a weight s tring of
1,2,3,4
:
fie ld:
5 2 3 2 4 5 2 1 9
we ight string:
4 1 2 3 4 1 2 3 4
2 .
Eac h digit in the field is m ultiplied by the weight as s igned to it:
fie ld:
5 2 3 2 4 5 2 1 9
we ight string:
4 1 2 3 4 1 2 3 4
products:
2 0 2 6 6 1 6 5 4 3 3 6
3 .
Next, the produc t of eac h digit is added together. This is the s um of the produc ts .
2 0 + 2 + 6 + 6 + 1 6 + 5 + 4 + 3 + 3 6 = 9 8
4 .
Divide the s um of the produc ts by the m odulus (10 in this c as e), only to the whole num ber.
The balanc e is c alled the rem ainder.
9
1 0 9 8
9 0
8
5 .
Subtrac t the rem ainder from the m odulus .
The res ult bec om es the c hec k digit. In this c as e, the c hec k digit is 2.
1 0 - 8 = 2
Summary of Contents for Monarch Tabletop Printer 2
Page 10: ...viii Packet Reference Manual Classification Avery Dennison Public...
Page 16: ...1 6 Packet Reference Manual Classification Avery Dennison Public...
Page 48: ...2 32 Packet Reference Manual Classification Avery Dennison Public...
Page 80: ...3 32 Packet Reference Manual Classification Avery Dennison Public...
Page 102: ...4 22 Packet Reference Manual Classification Avery Dennison Public...
Page 138: ...7 10 Packet Reference Manual Classification Avery Dennison Public...
Page 156: ...8 18 Packet Reference Manual Classification Avery Dennison Public...
Page 160: ...9 4 Packet Reference Manual Classification Avery Dennison Public...
Page 196: ...C 8 Packet Reference Manual Classification Avery Dennison Public...
Page 202: ...D 6 Packet Reference Manual Classification Avery Dennison Public...
Page 205: ......