3 how to use the omr marks, Gate 1, gate 2, Sequence 1 - 2 – MBM Corporation 49 User Manual
Page 25: End of set (e.o.s), Parity
T10114
Jan 2001
Sheet Feeder Model 49 Operator Manual
8-2
Mark Structure
Gate 1
Gate 2
E. O. S.
Parity
Seq. 1
Seq. 2
1 2 3 4 5 6 7 8
The example below illustrates a set containing eight sheet.
Gate 1, Gate 2
The Gate 1 and Gate 2 act as start - reading - marks. Each mark
sequense must always include the two Gate marks. If not, the sheet
will be detected as blank.
Sequence 1 - 2
The “Seq1” & “Seq2” marks are needed for the OMR reader to detect
that the sheets in a set are fed in the right order. The sequence is: No
marks, S1 mark, S2 mark, S1 and S2 mark, no mark and so on. Each
new group shall start with the sequence number 0 (no marks), see
examples below.
End Of Set (E.O.S)
To indicate the last sheet in a set, an ”End Of Set” mark is required.
Parity
There must allways be an even number of marks on each sheet. When
needed, add the parity mark.
Page
The example below illustrates a set containing five sheets.
Page
1 2 3 4 5
G1
G2
EOS
S1
P
S2
8.3 How to Use the OMR Marks