C001537_04_CR2 User Manual - 19
Save Settings
Definitions
Symbol Density: The amount of information versus the total area occupied by the symbol. In order to
achieve high density, the individual elements of a symbol must shrink. The highest density symbols can
only be resolved in the CR2 near-field image, where the resolution of the imager is 1024 x 640 DPI.
Symbol density is usually expressed in “Mils” - ie, thousandths of inches. This size refers to the smallest
width of a linear code or the “cell size” (individual square) in a matrix code.
Working Range: The range from nearest to farthest that the object (the target symbol) can be resolved
and decoded. Parameters that effect working range are SYMBOL DENSITY and the OVERALL SIZE of
the symbol, the SYMBOLOGY used, the reflectivity of the surface, the contrast of the symbol in relation
to its background, the amount and type of illumination available, and other environmental factors.
Resolution: Resolution is expressed in the table is the pixel array available for decoding a symbol. It
affects both the density and the size of the code that can be decoded.
3.1 - Introduction (con’t)
When choosing the correct setting for your environment (i.e. printed labels, direct marks...) we
recommend trying several settings. For a large majority of users, the B1 or B3 settings are satisfactory.
If you would like to greatly improve the reader’s performance on medium to large 1-D codes, try the D1
or D3 setting, The chart and definitions below will help you understand the readers configuration for
each setting.
SXGA Mode
Near Field Decoding: On
Far Field Decoding: On
NF Resolution: 1024 x 640
FF Resolution: 1024 x 640
Decode Try Time: Long
SXGA Mode
Near Field Decoding: On
Far Field Decoding: On
NF Resolution: 1024 x 640
FF Resolution: 1024 x 640
Decode Try Time: Normal
SXGA Mode
Near Field Decoding: On
Far Field Decoding: Off
NF Resolution: 1024 x 640
FF Resolution: NA
Decode Try Time: Normal
SXGA Mode
Near Field Decoding: Off
Far Field Decoding: On
NF Resolution: NA
FF Resolution: 1024 x 640
Decode Try Time: Normal
SXGA Mode
Near Field Decoding: Off
Far Field Decoding: On
NF Resolution: NA
FF Resolution: 832 x 512
Decode Try Time: Normal
SXGA Mode
Near Field Decoding: On
Far Field Decoding: On
NF Resolution: 480 x 480
FF Resolution: 640 x 480
Decode Try Time: Short
VGA Mode
Near Field Decoding: On
Far Field Decoding: On
NF Resolution: 480 x 320
FF Resolution: 480 x 320
Decode Try Time: Short
VGA Mode
Near Field Decoding: On
Far Field Decoding: Off
NF Resolution: 480 x 320
FF Resolution: NA
Decode Try Time: Short
VGA Mode
Near Field Decoding: Off
Far Field Decoding: On
NF Resolution: NA
FF Resolution: 480 x 320
Decode Try Time: Short
SXGA Mode
Near Field Decoding: On
Far Field Decoding: Off
NF Resolution: 640 x 640
FF Resolution: NA
Decode Try Time: Normal
SXGA Mode
Near Field Decoding: On
Far Field Decoding: On
NF Resolution: 640x 512
FF Resolution: 832 x 640
Decode Try Time: Short
SXGA Mode
Near Field Decoding: On
Far Field Decoding: On
NF Resolution: 832 x 640
FF Resolution: 1024 x 640
Decode Try Time: Normal
Small
A1 B1 C1 D1
A2 B2 C2 D2
A3 B3 C3 D3
A B C
D
1
2
3
High
Low
Large
Symbol Density
Working Range
* Factory Default Setting
* All triggers programmed to this setting at shipment
Small to Large Symbols
Near and Far Range
Small to Medium Symbols
(Close Range Only)
Medium to Large Symbols
(Far Range Only)
Note: Scanning the optimization codes will reset any AGC settings. If you have special settings please
scan the optimization codes then reset to the proper AGC setting.
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