The level (degree) of error correction can also be selected by the user. Nine
vels are available (0-8), whereby level 0 means ‘no error correction desired’.
a
ns:
le
Depending on the application and on the quality of the paper used, however,
higher level should be used.
All 256 ASCII characters can be coded as useful data.
Example of a PDF417 symbol with 18 rows and 5 colum
yntax in PCL
ust always be entered; the remaining three parameters, on
e other hand, are optional. You can enter the parameters in the escape
bol.
-parameter: Identifier for PDF417
-parameter: Error correction level
defined by the PDF417 specification. Note that this
r correction words, as follows:
S
T
th
he T-parameter m
sequence in any order. If the Barcode Flash solution encounters
impermissible values in one of the parameters, i.e. values that lie outside the
ranges listed below, an error message is printed in lieu of the PDF417 sym
T
24850T
p
Permissible values: 0-8
These nine levels are pre
is a fixed number of erro
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