Technical information

10/29/2014
Page 18 of 72
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Bit (R to L)
Controls
Value
0
NEC 2 of 5 Decoding
0: Disabled
1: Enabled
1
Checksum checking
0: Disabled
1: Enabled
2
Strip checksum from the result
0: Disabled
1: Enabled
3
1 Digit Symbol Allowed
0: Disabled
1: Enabled
4
2 Digit Symbol Allowed
0: Disabled
1: Enabled
Given the settings above, the binary string to turn on NEC 2 of 5 decoding with checksum checking and
the checksum stripped from the result string, allowing 2 digit symbols is 10111 (bits left to right). The
same string would be 0x17 or decimal 23.
Thus, the command to implement the settings above would be:
C(0A)17
Or
C(0A)#23
8.2 Field of Interest
The reader optics are typically split into two separate fields - Field Of Interest 0 (FOI 0) and Field Of
Interest 1 (FOI 1). In certain circumstances, these fields can be customized to the requirements of the
user. In the default configuration of these fields FOI 0 is the High Density (HD) field and FOI 1 is the
Wide (W) field.
At a given focus distance, the FOI 0 field is designed to read small, low-mil barcodes while the FOI 1
field is designed to pick up large, wide barcodes.
This document will refer to FOI 0 as HD and FOI 1 as Wide.
Note: The CR900FD is a single Field of Interest reader. There is no FOI 0 in the CR900FD.
8.3 Reader Settings Table
Reg
Setting Name
Default
(Hex)
Comment