When
you select a paper forms barcode object on the form design, the
Field tab in the Object palette displays several options specific
to formatting paper forms barcodes.
TypeSets
the type of object. Objects are the building blocks of every form.
LabelA
custom or automatically generated caption that appears below the
barcode. Useful for distinguishing barcodes in distinct versions
of barcoded forms.
Generate Label AutomaticallyWhen selected, the barcode label is
automatically generated. Deselect the option to specify a custom
label.
SymbologySpecifies
the symbology for the barcode:
PDF417
QR Code
Data Matrix
Note: End users filling a form
that contains a QR Code or DataMatrix barcode require Acrobat 7.0.5
or later, or Adobe Reader 7.0.5 or later. Decoding of QR Code and
DataMatrix barcodes is supported by Adobe LiveCycle Barcoded Forms
7.0 but is not supported by Adobe LiveCycle Barcoded Forms 7.0 Standalone
(ST).
Scanning MethodSpecifies the conditions for decoding the information
in the paper forms barcode after it is printed on a form. The decode
condition determines the horizontal and vertical data cell size
and the error correction level for the barcode. Designer contains
the following preset and custom options:
- Document Scanner (Default)
- Selecting this option automatically sets the Error Correction
Level, Module Height/Width, and Module Width to values that work well
when scanning a paper forms barcode using a 300-dpi scanner. Designer specifies
these values:
Error Correction Level: 5
Module Height/Width: 2 (PDF417), 1 (QR Code and Data Matrix)
Module Width: 0.0133 inches
- Hand-held Scanner
- Selecting this option automatically sets the Error Correction
Level, Module Height/Width, and Module Width to values that work well
when scanning a paper forms barcode using a hand-held scanner. Designer specifies
these values:
Error Correction Level: 5
Module Height/Width: 3 (PDF417), 1 (QR Code and Data Matrix)
Module Width: 0.0133 inches
- Fax Server
- Selecting this option automatically sets the Error Correction
Level, Module Height/Width, and Module Width to values that work
well when scanning a paper forms barcode that was printed on a form
received by a fax machine. Designer specifies these values:
Error Correction Level: 6
Module Height/Width: 2 (PDF417), 1 (QR Code and Data Matrix)
Module Width: 0.0133 inches
- Custom
- Selecting this option activates the Property/Value list and
lets you set the properties for the Error Correction Level, Module
Height/Width, and Module Width to any values within the following
ranges:
Error Correction Level: 1 - 8
Module Height/Width: 1 - 4 (whole numbers for PDF417), 1
(QR Code and Data Matrix)
Module Width: 0.0133 - 0.04 inches
When Custom
is selected, the Property list remains activated, regardless of
the Error Correction Level, Module Height/Width, and Module Width
property values, even if they are identical to those of a preset
condition.
Note: The Error Correction Level setting
is disabled for Data Matrix barcodes.
Property/ValueWhen
the Custom option is selected, you must set the property values
for the error correction level, module height-over-width ratio,
and module width:
- Error Correction Level
- Specifies the level of data redundancy that is added to the
barcode to help correct for possible scanning errors. Acceptable
levels for Value range from 1 to 8. Higher levels allow for more
redundancy and a more robust barcode. Higher levels will also require
a larger barcode. A more robust barcode can recover from errors,
such as pen marks or folds in the document, by including redundant
information in the barcode. Designer will automatically set an Error
Correction Level based on the type of scanning device you select.
An
Error Correction Level of 5 tends to provide good performance and
still allow the barcode to be a reasonable size. It is recommended
that you keep the Error Correction Level above 5 unless you are
very familiar with barcode decoding technology.
Note: The
Error Correction Level setting is disabled for Data Matrix barcodes.
- Module Height/Width
- Sets the height of the barcode, as a ratio of the module height
over width. Acceptable levels for Value are integers (whole numbers)
from 1 to 4 (PDF417), 1 (QR Code and Data Matrix).
- Module Width
- Sets the width of the smallest bar in the barcode. Every
other bar in the barcode will be a multiple of this dimension. Acceptable
levels for Value range between 0.0133 inches and 0.04 inches.
The
Module Width value will be rounded to the nearest 1/300 inch when
the barcode is rendered in Acrobat or Adobe Reader. You should be
very familiar with barcode decoding technology when selecting the
module width.
PresenceControls
whether an object is displayed in a PDF form when users view the
form in Acrobat or Adobe Reader, or when users print the form:
- Visible
- The object is visible on-screen, visible in the printed form,
and occupies space in the form layout. Visible is the default presence
setting for all objects.
- Visible (Screen Only)
- The object is visible on-screen, not visible in the printed form
when printed from within Acrobat or Adobe Reader, and occupies space
in the form layout.
- Visible (Print Only)
- The object is not visible on-screen, visible in the printed form
(when printed from within Acrobat, Adobe Reader, or directly from
the server), and occupies space in the form layout.
- Invisible
- The object is not visible on-screen, not visible in the printed
form, and occupies space in the form layout.
- Hidden (Exclude from Layout)
- The object is not visible on-screen, not visible in the printed
form, and does not occupy any space in the form layout.
- One-sided Printing Only
- The object is only printed when using single-sided printing.
- Two-sided Printing Only
- The object is printed when using double-sided printing. This
option is useful when you want to place the page number in a different
corner of the page when using double-sided printing than when using single-sided
printing.
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