Leica Biosystems LPC Software installation - Manual (Page 131)

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LabeLase ® Producer - Installation
ECC - Each PDF417 symbol contains at least two error correction code-
words. The Error Correction codewords provide capability for both error
detection and correction. Enter the Error Correction level to specify the
number of Error Correction codewords. f you leave the field set to the de-
fault value of -1, the program will determine an appropriate setting for you,
based on the content of the message to be encoded. If you wish to specify a
specific number of codewords, select an Error Correction Level from the
table below.
Rows - Enter the desired number of rows in the resulting symbol. This set-
ting is highly dependent on the number of codewords in the symbol, and it is
recommended that you leave the field set to its default setting of 0, which
will allow the program to determine the appropriate number of rows. If you
specify the number of rows, you must enter a number between 3 and 90, in-
clusive.
Cols - Enter the desired number of columns in the resulting symbol. This
setting is highly dependent on the number of codewords in the symbol, and
it is recommended that you leave the field set to its default setting of 0,
which will allow the program to determine the appropriate number of rows.
If you specify the number of columns, you must enter a number between 1
and 30, inclusive.
Aspect - Enter the desired aspect ratio (number of rows to columns) for the
symbol. The default value of 3 is recommended. If this field is not zero, then
the Aspect setting is ignored.
Error Correction Level Number of Error Correction Codewords
0 2
1 4
2 8
3 16
4 32
5 64
6 128
7 256
8 512
3. User Interface