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Glossary
GL-7
Orientation
The alignment of the symbol's scan path. Two possible orientations are
horizontal with vertical bars and spaces (picket fence) and vertical with
horizontal bars and spaces (ladder).
Overhead
The fixed number of characters required for start, stop and checking in a given
symbol. For example, a symbol requiring a start, stop and 2 check characters
contains 4 characters of overhead.
Parameter
A variable that can have different values assigned to it.
PDF417
An error correcting 2-dimensional multi-row symbol developed in 1992 by
Symbol Technologies, PDF417 symbols are constructed from 4 bars and 4
spaces over 17 modules. The symbol size is from 3 to 90 rows. There is no
specified minimum or maximum for X or Y dimension. With at least the
recommended minimum level of error correction, the recommended Y
dimension is 3X. With less than the minimum recommended level of error
correction, the recommended Y dimension is 4X. A quiet zone of 2X is specified
on each side of a symbol. Because of delta decode techniques, the symbology
is immune from uniform bar width growth. PDF417 supports cross-row
scanning. The intellectual property rights associated with PDF417 have been
committed to the public domain.
Percent Decode
The average probability that a single scan of a bar code would result in a
successful decode. In a well-designed bar code scanning system, that
probability should approach near 100%.
Pitch
Rotation of a bar code symbol in an axis parallel to the direction of the bars.
Plessey Code
A pulse-width, modulated bar code commonly used for shelf marking in grocery
stores.
Postnet Code
Code developed by the U.S. Postal Service to assist in the automatic sorting of
mail.
Print Contrast Signal (PCS)
Measurement of the contrast (brightness difference) between the bars and
spaces of a symbol. A minimum PCS value is needed for a bar code symbol to
be scannable. PCS = (RL - RD) / RL, where RL is the reflectance factor of the
background and RD the reflectance factor of the dark bars.
Programming Mode
The state in which a scanner is configured for parameter values. See
SCANNING MODE.
Quiet Zone
A clear space, containing no dark marks, which precedes the start character of
a bar code symbol and follows the stop character.
Reflectance
Amount of light returned from an illuminated surface.
Resolution
The narrowest element dimension which is distinguished by a particular
reading device or printed with a particular device or method.
Scan Area
Area intended to contain a symbol.
Scanner
An electronic device used to scan bar code symbols and produce a digitized
pattern that corresponds to the bars and spaces of the symbol. Its three main
components are:
1. Light source (laser or photoelectric cell) - illuminates a bar code.
2. Photodetector - registers the difference in reflected light (more light
reflected from spaces).
3. Signal conditioning circuit - transforms optical detector output into a
digitized bar pattern.
Scanning Mode
The scanner is energized, programmed, and ready to read a bar code.
Scanning Sequence
A method of programming or configuring parameters for a bar code reading
system by scanning bar code menus.
Summary of Contents for Symbol DS6607
Page 1: ...Symbol DS6607 Product Reference Guide ...
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Page 3: ...Symbol DS6607 Product Reference Guide 72E 69537 03 Revision A March 2007 ...
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Page 16: ...Symbol DS6607 Product Reference Guide xiv ...
Page 20: ...Symbol DS6607 Product Reference Guide 1 2 ...
Page 26: ...Symbol DS6607 Product Reference Guide 2 2 ...
Page 36: ...Symbol DS6607 Product Reference Guide 3 2 ...
Page 42: ...Symbol DS6607 Product Reference Guide 4 2 ...
Page 49: ...User Preferences 4 9 Time Delay to Low Power Mode continued 15 Minutes 2Bh 1 Hour 31h ...
Page 74: ...Symbol DS6607 Product Reference Guide 5 22 ...
Page 76: ...Symbol DS6607 Product Reference Guide 6 2 ...
Page 92: ...Symbol DS6607 Product Reference Guide 7 2 ...
Page 114: ...Symbol DS6607 Product Reference Guide 7 24 ...
Page 116: ...Symbol DS6607 Product Reference Guide 8 2 ...
Page 138: ...Symbol DS6607 Product Reference Guide 8 24 ...
Page 139: ...123 Scan Introduction 9 3 Communication with 123Scan 9 3 123Scan Parameter 9 3 ...
Page 140: ...Symbol DS6607 Product Reference Guid 9 2 ...
Page 142: ...Symbol DS6607 Product Reference Guid 9 4 ...
Page 146: ...Symbol DS6607 Product Reference Guide 10 4 ...
Page 206: ...Symbol DS6607 Product Reference Guide 10 64 ...
Page 208: ...Symbol DS6607 Product Reference Guide 11 2 ...
Page 216: ...Symbol DS6607 Product Reference Guide 11 10 ...
Page 241: ...Advanced Data Formatting 12 25 Numeric Keypad continued 7 8 9 Cancel ...
Page 306: ...Symbol DS6607 Product Reference Guide 12 90 Alphanumeric Keyboard Space Dash ...
Page 307: ...Advanced Data Formatting 12 91 Alphanumeric Keyboard continued ...
Page 308: ...Symbol DS6607 Product Reference Guide 12 92 Alphanumeric Keyboard continued ...
Page 309: ...Advanced Data Formatting 12 93 Alphanumeric Keyboard continued _ Underscore ...
Page 311: ...Advanced Data Formatting 12 95 Alphanumeric Keyboard continued 6 7 8 9 A B C ...
Page 312: ...Symbol DS6607 Product Reference Guide 12 96 Alphanumeric Keyboard continued D E F G H I J ...
Page 313: ...Advanced Data Formatting 12 97 Alphanumeric Keyboard continued K L M N O P Q ...
Page 314: ...Symbol DS6607 Product Reference Guide 12 98 Alphanumeric Keyboard continued R S T U V W X ...
Page 316: ...Symbol DS6607 Product Reference Guide 12 100 Alphanumeric Keyboard continued d e f g h i j ...
Page 317: ...Advanced Data Formatting 12 101 Alphanumeric Keyboard continued k l m n o p q ...
Page 318: ...Symbol DS6607 Product Reference Guide 12 102 Alphanumeric Keyboard continued r s t u v w x ...
Page 319: ...Advanced Data Formatting 12 103 Alphanumeric Keyboard continued y z ...
Page 320: ...Symbol DS6607 Product Reference Guide 12 104 ...
Page 321: ...Standard Default Parameters ...
Page 322: ...Symbol DS6607 Product Reference Guide A 2 ...
Page 331: ...Standard Default Parameters A 11 ...
Page 332: ...Symbol DS6607 Product Reference Guide A 12 ...
Page 333: ...Programming Reference Symbol Code Identifiers B 3 AIM Code Identifiers B 4 ...
Page 334: ...Symbol DS6607 Product Reference Guide B 2 ...
Page 340: ...Symbol DS6607 Product Reference Guide B 8 ...
Page 342: ...Symbol DS6607 Product Reference Guide C 2 ...
Page 345: ...Sample Bar Codes C 5 Maxicode QR Code US Postnet UK Postal ...
Page 346: ...Symbol DS6607 Product Reference Guide C 6 ...
Page 347: ...Numeric Bar Codes Numeric Bar Codes D 3 Cancel D 4 ...
Page 348: ...Symbol DS6607 Product Reference Guide D 2 ...
Page 362: ...Symbol DS6607 Product Reference Guide E 12 ...
Page 372: ...Symbol DS6607 Product Reference Guide GL 10 ...