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Code Alarm CR3 User manual
V002450
CR1200
CR2/CR2500
CR3/CR3500
Interface Configuration
Document
Client Edition
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2011-04-27
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© 2011 The Code Corporation • 14870 S. Pony Express Rd., Suite 200, Bluffdale, UT 84065 • (801) 495-2200 • FAX (801) 495-0280
Table of Contents
1
Scope................................................................................................................................................... 4
2
Host to Reader Command Overview .............................................................................................. 4
2.1
Packetized Commands ................................................................................................................ 4
2.2
Text Commands .......................................................................................................................... 4
2.3
Bar Code Commands .................................................................................................................. 4
2.4
Training ....................................................................................................................................... 5
3
Definitions .......................................................................................................................................... 5
3.1
Notations ..................................................................................................................................... 5
4
Communication Medium.................................................................................................................. 5
5
Reader to Host Communication ...................................................................................................... 6
5.1
Raw Data ..................................................................................................................................... 6
5.2
Packet Data ................................................................................................................................. 6
6
Host to Reader Communication .................................................................................................... 11
6.1
Text Commands ........................................................................................................................ 11
6.2
Packetized Commands .............................................................................................................. 13
6.3
Command Types ....................................................................................................................... 13
7
File Installation................................................................................................................................ 21
7.1
Simple Protocol......................................................................................................................... 21
8
Reader Settings................................................................................................................................ 22
8.1
Binary Dip Switch..................................................................................................................... 22
8.2
Reader Settings Table ............................................................................................................... 23
9
Radio Commands ............................................................................................................................ 46
10 Code Reader Batch (CRB) System ................................................................................................ 47
11 Symbology Detail Settings .............................................................................................................. 48
11.1 PharmaCode .............................................................................................................................. 48
12 OCR Template ................................................................................................................................ 49
12.1 OCR Introduction...................................................................................................................... 49
12.2 OCR Overview.......................................................................................................................... 50
12.3 OCR Output String Values ....................................................................................................... 51
12.4 OCR User Templates ................................................................................................................ 51
12.4.1
End of Template (0) .......................................................................................................... 52
12.4.2
New Template (1) ............................................................................................................. 52
12.4.3
New Line (2) ..................................................................................................................... 52
12.4.4
Define Group Start (3) ...................................................................................................... 52
12.4.5
Define Group End (4) ....................................................................................................... 53
12.4.6
Wildcard: Numeric (5) ...................................................................................................... 53
12.4.7
Wildcard: Alpha (6) .......................................................................................................... 53
12.4.8
Wildcard: Alphanumeric (7) ............................................................................................. 53
12.4.9
Wildcard: Any (8) ............................................................................................................. 53
12.4.10 Defined Group (10) ........................................................................................................... 53
12.4.11 In Line Group Start (11) ................................................................................................... 53
12.4.12 In Line Group End (12)..................................................................................................... 54
12.4.13 Checksum (13) .................................................................................................................. 54
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12.4.14 Example OCR User Templates ......................................................................................... 55
12.5 OCR Internal Templates ........................................................................................................... 57
12.5.1
Passport Internal Template ............................................................................................... 57
12.5.2
ISBN Internal Template .................................................................................................... 57
12.5.3
Price Field Internal Template............................................................................................ 58
13 Appendix: B-String Settings .......................................................................................................... 59
14 Appendix: Example CRC16 C Code ............................................................................................. 63
Table of Figures
Figure 1: Example ‘z’ and ‘i’ Packets in Raw and Packet Modes ............................................................ 11
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1
Scope
This Interface Configuration Document (ICD) specifies the communication protocol between the Code
Reader 2.0™ (CR2), Code Reader 3.0™ (CR3), Code Reader 2500™ (CR2500), Code Reader 3500™
(CR3500), Code Reader 1200™ (CR1200) and application software that runs on the Host computer,
specific Reader commands, examples of a variety of ways to communicate and send data to the Reader
(i.e., RS232, USB, RF) and command/communication types.
It is important to note that some functionality has changed and/or been added for each firmware
release. Make sure to use the latest released firmware for both boot and app.
CR2/CR3/CR2500/CR3500 default values listed in Section 8 were compiled using firmware
version 4634. CR1200 default values listed in Section 8 were compiled using firmware version
4226.
2 Host to Reader Command Overview
This section is intended to introduce developers/users to the basic command types of the Reader. There
are two ways to send a command to the Reader; from a Host computer, or by scanning a bar code
containing a command sequence. In addition, there are two methods of sending a command from a Host
computer to the Reader; packetized and text commands.
2.1 Packetized Commands
Packetized commands are the most reliable way to communicate to the Reader. The packet consists of a
prefix and a suffix. The prefix contains the amount of data to be transmitted and the suffix contains error
detection. Unlike text commands, packetized commands are always enabled. (See Section 6.2)
2.2 Text Commands
Text commands are provided as an easy way to send a command to a Reader but they lack the reliability
of packetized commands. In addition, text commands must be enabled. Text commands can easily be
sent from a terminal program and uses a %xx (similar to URL encoding) to translate an escape sequence
containing a 2-digit hex value to the corresponding single 8-bit ASCII character. This allows nonprintable ASCII characters to be entered via the terminal program. Text commands can be sent via the
RS232, USB Virtual COM or RF mode by using appropriate communication software. In addition, the
developer/user may send text commands by using CRB files. (See Section 10)
2.3 Bar Code Commands
The Reader will recognize the following sequence within a bar code as a command to the Reader:
SOH ‘X’ GS STX Text-Command EOT
(Packet does not contain spaces)
The Text-Command portion contains a text command as described above.
Because the Bar Code Command is terminated with ASCII EOT, the Text-Command may not contain
EOT. If the Text-Command needs to contain EOT, encode it as %04.
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2.4 Training
Code Corporation highly recommends attending technical training provided by Code via Webinar and
on site. This training is designed to provide in-depth knowledge/usage of the ICD for developers and
users.
3 Definitions
3.1 Notations
The interface protocol is described as a set of grammars, indicated by different type styles and symbols.
These indications are listed in the table below.
Example
Indication
Grammar
Text-Command
Italic type
Syntactic categories (non-terminals)
space
Bold type
Terminal symbols
0xFF
0x prefix indicating hexadecimal
Literal byte values
‘X’
Single quotes
Literal ASCII characters
SOH
All caps
Non-printable ASCII characters
PageUp
Key name
key press-release sequence
shift↓
Key plus down arrow
Key-down only
shift↑
Key plus up arrow
Key-up only
esc | tab
Vertical bar
Alternatives (this or that)
dataopt
opt.
packet-typenz
nz
(Nz subscript)
Applies to all packets except z type packets
crc16nr
nr
(Nr subscript)
Applies to packets sent in “non-raw” mode, i.e.,
in “packet” mode
(Opt subscript)
Optional terminals and non-terminals
4 Communication Medium
The Reader communicates with the Host via USB, keyboard wedge (PS/2 or AT), RS232, PC-Card, or
Bluetooth® Serial Port Profile. The Host includes appropriate hooks and/or drivers to enable two-way
communication with the Reader.
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5 Reader to Host Communication
The Reader may be configured in raw mode, where no packet framing or check characters are sent, and
packet mode. (See section 2.1 and 2.2) The Reader may also be configured to expect an
acknowledgement from the Host after each packet and automatic retry when no acknowledgement is
received. Standard “one-way” mode of operation uses raw packets, no expected response from Host, and
no automatic retry. Standard “two-way” mode of operation uses packets with framing and checks
characters, expects a response from the Host, and automatically resends. If no Acknowledgement is
received (Ack), three (3) attempts to resend are made.
5.1 Raw Data
Reader to Host communication consists of decoded raw data having no framing or check characters.
Raw data is sent with no “end of packet” data (crc16). One-way communication, expects no response
from Host and no data is resent.
5.2 Packet Data
Data from the Reader to the Host consist of packets as specified below. Packetized data is sent using
ACK/NAC protocols with framing and check characters. Packets are delivered asynchronously as
graphical codes are read and in response to Host to Reader commands. For keyboard communication
(USB keyboard or PS/2 or AT keyboard), all ascii-characters are transmitted as keyboard-sequences.
For all other communication ports, all ascii-characters are transmitted as ascii-bytes.
Note: when sending data via the keyboard port, the state of the Caps-Lock is assumed to be “off” (i.e.,
capital letters are always shifted; lower-case letters are never shifted). The Host shall perform
capitalization-translation, if necessary, based on the actual state of the Caps-Lock.
Note: Even though the data size field allows up to 65535 bytes of data in a packet, the actual size of a
packet either in raw or in packet mode including data and packet overhead is maximum 16384 bytes.
packet:
start:
packet-start:
end:
codeXML-start:
codeXML-end:
tag_response:
packet-type:
data:
|
protocol-version:
Reader-id:
packet-number:
data-packet-number:
start packet-typenz dataopt end
packet-startnr | codeXML-start nz
SOH ‘X’ ‘R’ protocol-version Reader-id packet-number timestamp data-size
codeXML-endnz crc16nr
SOH ‘X’ RS tag_response ‘/’
EOT
‘ap’
Single ascii-character in table below
character
data character
‘1’
big-endian 32-bit number
data-packet-number | cmd-packet-number
any byte value in the range [0,7f]; increments with each packet; does not
increment with resends; used with z and a packets only
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cmd-packet-number: any byte value in the range [80-ff]; increments with each packet; does not
increment with resends; used with all packets other than z and a
timestamp (4 bytes): big-endian 32-bit number, indicates timestamp in seconds (relative to Reader
power-up or last time set in Reader) (For all but z packets, the timestamp
represents the time the packet was sent to the Host; for z packets, the time the
code was read.)
timestamp (3 bytes): three characters in range [0,127], most significant character first, indicates 21-bit
timestamp in seconds (relative to Reader power-up or last time set in Reader) (for
all but z packets, the timestamp represents the time the packet was sent to the
Host; for z packets, the time the code was read)
data-size:
big-endian 16-bit number indicating size of the data field (in bytes)
character:
byte
|
keyboard-sequence
byte:
any byte value in range [0x00,0xFF]
keyboard-sequence: key
|
shift↓ key shift↑
|
alt↓ decimal-code alt↑
key:
~|1|2|3|4|5|6|7|8|9|0|-|=
|
q|w|e|r|t|y|u|i|o|p|[|]|\
|
a|s|d|f|g|h|j|k|l|;|’
|
z|x|c|v|b|n|m|,|.|/
|
space
|
esc | tab | shift | alt | ctrl | enter | backspace
|
f1 | f2 | f3 | f4 | f5 | f6 | f7 | f8 | f9 | f10 | f11 | f12
|
insert | delete | home | end | pageup | pagedown
|
left | right | up | down | keypadenter
|
digit
decimal-code:
digit | digit digit | digit digit digit (range [0,255])
digit:
keypad0 | keypad1 | keypad2 | keypad3 | keypad4
|
keypad5 | keypad6 | keypad7 | keypad8 | keypad9
crc16:
big-endian 16-bit number representing crc16 of the packet, calculated over the
entire packet, excluding the crc16 itself. (See source files crc16.[hc] (Appendix)
for details on the crc16 algorithm and polynomials to be used.)
crc14:
two consecutive bytes, each in range [0,127], representing a crc16 bitwise AND
with 0x7f7f, most significant byte first. The packet crc16 is calculated over the
entire packet, excluding the prefix and the crc14 itself. (See source files
crc16.[hc] (Appendix) for details on the crc16 algorithm and polynomials to be
used.)
The following packet-types are defined:
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a
d
e
g
h
Indicates that data contains the first part of a decode. A sequence of a packets always
ends with a z packet. The data of all a packets in a group and the final z packet are
concatenated by the Host. (Also see the Host-to-Reader ‘R’ command description.)
Indicates that a command and its associated data were successfully received; data
optionally contains a null-terminated text message.
Indicates that a command was not successfully received, i.e., it had a bad type, size, or
checksum, and should be re-sent; data optionally contains a null-terminated text
message.
Indicates that a group of z and/or p packets follows, terminated by a d or e packet (d for
complete group, e for incomplete group)
Indicates that data contains a zero-terminated Bluetooth® connection string (of printable
ASCII characters): IIII BBBBBBBBBBBB L
where:
IIII is the storage index
BBBBBBBBBBBB is the Bluetooth® Device Address (twelve hexadecimal
digits)
L is “y” if link key stored, “n” if no link key stored
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i
Indicates that data contains the zero-terminated Reader information string (of printable
ASCII characters and TAB) in the following format:
VVVVWWWWXXXXSSSSSSSSSSAOODYYYYHHIIIIJJJJKKKKLLLL<TAB>Z…Z
where:
m
p
r
z
VVVV is the application firmware version number;
WWWW is the bootloader firmware version number;
XXXX is the radio firmware version number;
SSSSSSSSSS is the Reader’s serial number (ten digits);
A is “A” if running firmware is the application, “B” if bootloader;
OO is the OEM identifier;
D is “D” if and only if the unit has a keypad and display (otherwise, it may be
any other printable ASCII character);
YYYY is the flash file system version number;
HH is the hardware type identifier:
00 simulator
01 CR1
02 CR2/CR3
03 CR2-based OEM module
04 CR1200
IIII is the hardware version number
JJJJ is the maintenance utility version
KKKK is the operating system kernel version
LLLL is the root file-system version
<TAB> is the ASCII TAB character;
Z…Z is the OEM decoder version: a string of up to 16 printable ASCII characters
At least VVVVWWWWXXXXSSSSSSSSSSA will be present. Depending on hardware type
and firmware version, one or more of the other fields (and the tab character) may be
omitted. For fields to the left of the tab character, if a given field is present, all fields to
the left of it will also be present.
Indicates that data contains a message (comment). The m packets are not sent when the
Reader is in “raw” mode.
Indicates that data contains a portion of a compressed or uncompressed image
Indicates that the Reader attempted but failed to read a code. (This packet is sent only if
the Reader is configured to notify the Host on unsuccessful read attempts.)
Indicates that the packet contains data decoded from a code; data
contains the data decoded from the code.
The z type packets do not use the codeXML-start, packet-type, or codeXML-end fields.
In “raw” mode (as opposed to “packet” mode), type m packets are not sent, only the decoded data is sent
for type z packets, and all other packets are sent without the packet-start and crc16 fields. In “packetmode,” the packet-start and crc16 fields are always sent. (See Figure 1.)
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Raw Mode
‘z’ (data) packet:
data
‘i’ (non-z) packet:
CodeXML® ‘i’ response
CodeXML-start
SOH
‘X’
RS
‘ap/’
packet-type
data
CodeXML-end
‘i’
VVVV…
EOT
Packet Mode Version 1
‘z’ (data) packet:
packet-start
SOH ‘X’ ‘R’ ‘1’
Reader ID
(4 bytes)
packet
number
(1 byte)
data
time
data size
stamp
(2 bytes)
(4 bytes)
packet-end
crc16
data
(2 bytes)
‘i’ (non-z) packet:
CodeXML® ‘i’ response
packet-start
SOH ‘X’ ‘R’ ‘1’
time
Reader packet
data size
number stamp
ID
SOH ‘X’
(2 bytes)
(4 bytes) (1 byte) (4 bytes)
packet-end
crc16
RS ‘ap/’ ‘i’
VVVV…
EOT
(2 bytes)
Packet Mode Version 0
‘z’ (data) packet:
packet-start
SOH ‘X’ ‘R’ ‘0’
packet
number
(1 byte)
time stamp
(3 bytes)
data
data size
(2 bytes)
packet-end
crc14
data
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(2 bytes)
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‘i’ (non-z) packet:
CodeXML® ‘i’ response
packet-start
SOH ‘X’ ‘R’ ‘0’
packet
number
(1 byte)
time stamp
(3 bytes)
data size
(2 bytes)
SOH ‘X’ RS ‘ap/’
‘i’
VVVVWWWWXX
EOT
XXSSSSSSSSSSP
packet-end
crc14
(2 bytes)
Figure 1: Example ‘z’ and ‘i’ Packets in Raw and Packet Modes
Optionally, whenever the Host receives a packet, the Host will respond by sending a Y or R packet
(defined in the Host to Reader Communication section) to the Reader. If the expectResponse option is
enabled in the Reader configuration, the Reader will repeatedly retransmit the packet (a configurable
number of times) until it receives a Y packet.
If a packet received by the Host has a packet-type that is not any of the valid types listed above or has
the same packet-number as the last processed packet of the corresponding type (command or data), the
entire packet – up to and including end or until timeout – should be discarded by the Host. If the Host
had requested a response, it should reissue the request.
If a packet received by the Host from the Reader fails its CRC, the Host should send an R packet to the
Reader to request that the packet be resent.
6 Host to Reader Communication
Commands and data from the Host to the Reader are sent in the form of commands as specified in this
section.
Commands are normally sent in USB Native, RS232, and Bluetooth® modes. Commands may not be
sent via keyboard modes.
Two command formats are supported: text-command and packetized-command. Text-command format
is applicable to RS232 and Bluetooth® modes but only if the Reader is configured to accept this format.
Packetized-command format is applicable to all interfaces.
text-command:
See Section 6.1.
normal-command:
See Section 6.2.
After the Host sends each complete command, it should wait for a response packet from the Reader.
Expected responses are specified along with the command types in section 6.3. If the Reader responds
with an e packet or doesn’t respond within a reasonable timeout period, the Host should resend the
command a reasonable number of times.
6.1 Text Commands
Text commands may be sent to the Reader in RS232, USB Virtual COM mode, or RF mode using any
serial communications software, e.g., HyperTerminal. Text commands may also be sent via the USB and
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Serial Downloader programs using files with the .crb file extension. The .crb file contains one command
per line in the same format as text-command. (See Section 10).
Encoded-data is decoded by the Reader by replacing %xx by a single byte with the value specified by
the two hex-digits xx, e.g., %25 would be replaced by character number 0x25, which is ASCII %.
text-command:
command-type encoded-dataopt
command-type:
Single ASCII character in the set defined in Section 6.3
encoded-data:
encoded-datum
encoded-data encoded-datum
|
encoded-datum:
carriage-return
printable-character | % hex-digit hex-digit
printable-character: any byte value in the range [0x20,0x7e]
hex-digit:
|
|
carriage-return:
‘0’ | ‘1’ | ‘2’ | ‘3’ | ‘4’ | ‘5’ | ‘6’ | ‘7’ | ‘8’ | ‘9’
‘A’ | ‘B’ | ‘C’ | ‘D’ | ‘E’ | ‘F’
‘a’ | ‘b’ | ‘c’ | ‘d’ | ‘e’ | ‘f’
0x0d
In order to eliminate inadvertent commanding of the Reader, Text Commands are disabled by
default (in firmware version 2216+).
To enable Text Commands requires an initial sequence: ;>PAx where x is as defined in section 8,
register setting 41. (Note: ‘A’ is the ASCII character that corresponds to 41 HEX.)
For example, to send the Reader commands by typing commands in HyperTerminal:
;>PA1
P(xx)yy
P(xx)yy
~
PA8
Where ;>PA1 enables text commands with echo and command responses; P%xxyy can be any desired
commands; ~ saves the settings just sent (the ~ command saves all but communication-related settings);
and PA8 turns text commands back off (except for the initial sequence). (Note: ‘A’ is the ASCII
character that corresponds to 41 hex, thus P%418 would be equivalent.)
Note: ;>PA1 is used for interactive text commands. If the commands are to be saved in a file and sent
non-interactively, use ;>PA7 instead; this enables text commands but disables echo and command
responses. (See Section 6.3, Section 8, and Section 10 for additional information.)
The following two examples can be sent to a Reader in RS232 mode from HyperTerminal by just typing
the example text.
Example 1 (make the Reader beep/vibrate 3 times):
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#%03
Expected output: should make Reader beep/vibrate 3 times
Example 2 (set Reader to continuous-read, near field only):
P(C4)5Expected output: should set Reader to continuous-read, near field only
6.2 Packetized Commands
Packetized commands consist of packetized data sent from Host to Reader to configure and cause the
Reader to perform certain functionalities (e.g. CodeXML® rules, and settings). Packetized commands
are always enabled, unlike text commands. In addition, they include error detection data, making them
more robust than text commands.
normal-command:
prefix command-type data-size dataopt reserved crc14
prefix:
0xEE 0xEE 0xEE 0xEE
command-type:
Single ASCII character in the set defined in Section 6.3
data:
datum
data datum
|
datum:
any byte value in the range [0,255]
data-size:
byte value in range [0,240], which indicates size of data (in bytes)
reserved:
0x00
crc14:
two consecutive bytes, each in range [0,127], representing crc16 bitwise AND
with 0x7f7f, most significant byte first. The packet crc16 is calculated over the
entire packet, excluding the prefix and the crc14 itself. (See source files
crc16.[hc] (Appendix) for details on the crc16 algorithm and polynomials to be
used.)
6.3 Command Types
ESC
#
Reserved for use by JavaScript applications. This command can be used to notify
JavaScript functions from a B-String. No defined function in firmware or CodeViewer
JavaScript.
(The Reader will respond with d or e.)
Causes the Reader to beep and/or vibrate the specified number of times; data contains the
number as a single character in the range [0,127].
(The Reader will respond with d or e.)
Example – beep/vibrate three times: #%03
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$
Posts a simulated button event to the Reader; data contains the event number as a single
character. See register 39 in Section 8 for a list of the event numbers.
(The Reader will respond with d or e.)
(
Example – read both near and far fields: $%03
Causes the Reader to upload any logged error messages (no data)
(The Reader will respond with a g packet, zero or more z packets, and a final d or e. Each
z packet contains a portion of the requested data in its data field. Note: this is very
similar to the response to the X command; however, p packets are not applicable and the
g and d/e packets are not suppressed even in raw mode.)
)
Causes the Reader to erase its log of error messages (no data)
(The Reader will respond with d or e.)
*
Causes the Reader to deactivate all top-level CodeXML® rules (no data)
(The Reader will respond with d or e.)
+
Causes the Reader to activate a CodeXML® rule data specifies the rule number as a
string of ASCII decimal digits
(The Reader will respond with d or e.)
,
Causes the Reader to send a list of current Reader settings (no data)
(The Reader will respond with d containing a space-separated list of all setting values (in
order, expressed as hexadecimal ASCII characters) or with e.)
-
Causes the Reader to deactivate a CodeXML® rule; data specifies the rule number as a
string of ASCII decimal digits
(The Reader will respond with d or e.)
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.
Causes the Reader to flash its LEDs; data contains four bytes:
LEDs
repetitions
onTime
offTime
LEDs specifies the state of the LEDs: 1 to turn on, 0 to turn off:
Bit LED
Applicable Hardware
7
reserved, always 0
CR2, CR3
6
left blue
CR2
5
left green
CR2
4
left red
CR2
3
center green
CR3, CR1200
2
center red
CR3, CR1200
1
right green
CR2
0
right red
CR2
Both onTime and offTime are specified in 1/100th seconds (max 2.55 seconds).
(The Reader will respond with d or e.)
/
Example – flash left LED amber 3 times, ½ second on, 1 second off:
.%30%03%32%64
Toggle a bit (or bits) in a Reader setting; data contains a printable ASCII string in the
following format: hexadecimal setting number in parentheses followed by a 32-bit signed
integer value, expressed in ASCII hexadecimal characters (with optional minus sign) or
ASCII decimal characters preceded by the ‘#’ character, e.g., /(2e)1000 or /(2e)#4096;
the specified integer is XORed with the existing setting value.
(The Reader will respond with d or e.)
1
Note: see Section 8 for possible Reader settings.
Indicates the start of a file download; data is empty. This command is followed by a
sequence of 2 commands containing the file data and a download-end command (e.g., 5).
(The Reader will respond with d or e.)
2
Indicates a continuation of a file download; data contains the next portion of the file data.
(The Reader will not send any response.)
5
Indicates the end of a regular file download; data contains the name of the file, which is
from 1 to 200 letters, digits, periods, hyphens, and underscores, terminated with ASCII
NUL.
(The Reader will respond with d, e, or f.)
Note: This command is supported in firmware version 3100+
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9
Requests the Reader to delete a file from its storage; data contains the file name,
terminated with ASCII NUL.
(The Reader will respond with d or e.)
Note: Supported in firmware version 3100+
:
Requests the Reader to send configuration data to the radio module
(The Reader will respond with zero or more h followed by a d or an e.)
For example, data consisting of a single zero byte will cause the radio to disconnect from
the Host. (See Section 9: Radio Commands.)
;
<
This command is valid for Firmware versions 2012+
No operation (may be used for comments in command files)
Causes the Reader to send a list of saved Reader settings (no data)
(The Reader will respond with d containing a space-separated list of all setting values (in
order, expressed as hexadecimal ASCII characters) or with e.)
=
Puts setting directly to Reader’s non-volatile memory so that it will take effect upon next
reboot; data is as defined in the / command; the specified integer replaces the existing
setting value.
Note: this command can be used to set communication modes without losing
communication during the process.
(The Reader will respond with d or e.)
This command is valid for Firmware versions 2230+
>
Causes the Reader to send a string of text to the Host as a z packet; data contains the text
to send.
(The Reader will respond with a z packet containing the text.)
?
Programs the JavaScript, GoCode®, or other license; data contains the encrypted license
data.
(The Reader will respond with d or e.)
This command is valid for Firmware versions 2232+
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@
Causes the Reader to reset its internal date/timestamp to the specified time; data contains
the date and/or time in one of the following formats.
yyyy-mm-dd hh:mm:ss
yyyy-mm-dd hh:mm
hh:mm:ss
hh:mm
Note: the separators are optional; only digits are significant.
(The Reader will respond with d or e.)
Examples:
Set to midnight:
Set to Sept 1, 2005 11:52:02 PM:
@00:00
@2005-09-01 23:52:02
Note: on units without a battery-backed real-time clock, the date and time will reset to
2000-01-01 00:00:00 upon power-up.)
Command enhanced with version 2526+ to include year/month/day information
A
Notifies the Reader that the previously sent data were rejected for one of the following
reasons:
• the packet was encrypted and the decryption failed;
• the Host (CodeXML® Bluetooth® Modem) is locked to a different Reader.
The Reader should indicate to the user that the packet has been rejected; e.g., it may
sound error beeps. See related setting 0x12f, notify-of-packet-rejection.
(The Reader will not respond to the Host.)
This command is valid for Firmware versions 3280+
B
Defines the strings the Reader will return (or process internally) in response to storedcommand-code events; data contains the event number of the stored-command-code as a
single byte (in the range 0x09..0x48) followed immediately by the associated nullterminated string. B-strings are “performance” strings used to enhance/enable specific
Reader functions and capabilities.
0x09 – 0x0C: reserved for OEM
0x0D – 0x24: reserved for Code Corporation Functions
0x0D Performance String A1
0x0E Performance String A2
0x0F Performance String A3
0x10 Reserved as of firmware version 2526
0x11 Performance String B1
0x12 Performance String B2
0x13 Performance String B3
0x14 Performance String C1
0x15 Performance String C2
0x16 Performance String C3
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0x17 Performance String D1
0x18 Performance String D2
0x19 Performance String D3
0x1a reserved
0x1b reserved
0x1c Performance String SB
0x1d Performance String SN
0x1e Performance String SF
0x1f Performance String VB (Obsolete)
0x20 Performance String VN (Obsolete)
0x21 Performance String VF (Obsolete)
0x22 Performance String AB (Obsolete)
0x23 Performance String AN (Obsolete)
0x24 Performance String AF (Obsolete)
0x25 – 0x47: for user applications
0x48 User defined “No Read” value (see register 55 in Section 8)
(The Reader will respond with d or e.)
Example –B-string setting SXGA Near Field Window:
B%0D%01X%1d%02P%54#1024%04
B-strings 0x0D through 0x24 are restored using J command as of version 2526.
Performance strings are included with app download and do not require a separate
download as of version 2526.
See “Appendix: B-string Settings” for complete details.
Note: Due to increased image capture speed. VGA support was removed in version
4508 (CR2/CR3) and 4180 (CR1200). VGA was never support in CR2500/3500.
Note: CR1200 supports B-strings beginning in version 4189.
G
Get setting from Reader; data contains a single character (0-255), which is the setting
number.
(The Reader will respond with d and the setting value as a sequence of 8 ASCII
hexadecimal digits or with e.)
Example - determine if Rectangular Data Matrix is enabled: G%16
I
Note: see Section 8 for possible Reader settings.
If data is blank the Reader to send its information string (no data). The Reader will
respond with i or e packet.
If data is No data, see ‘i’ response in section 5.
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J
Requests the Reader to restore settings to factory defaults (no data).
(The Reader will respond with d or e.)
L
Requests the Reader to send a list of its stored files; data is either empty or contains “1”;
hidden files are listed only if “1” is specified. (Hidden files are files whose names begin
with a period.)
(The Reader will respond in the same manner as with the ‘(’ command, each z packet
containing a file name as a NUL-terminated string of printable ASCII characters.)
N
Note: Supported in firmware version 3100+
Requests the Reader to delete stored data and images (no data).
(The Reader will respond with d or e.)
O
Set a bit (or bits) in a Reader setting; data is as defined in the / command; the specified
integer is ORed with the existing setting value.
(The Reader will respond with d or e.)
P
Note: see Section 8 for possible Reader settings.
Put setting to Reader; data is as defined in the / command; the specified integer replaces
the existing setting value.
(The Reader will respond with d or e.)
Example – enable Rectangular Data Matrix (setting 0x16, value 1):
Q
P%161
Note: see Section 8 for possible Reader settings.
Clear a bit (or bits) in a Reader setting; data is as defined in the / command; the onescomplement of the specified integer is ANDed with the existing setting value.
(The Reader will respond with d or e.)
R
Note: see Section 8 for possible Reader settings.
Requests that the previously sent packet be re-sent by the Reader; data may specify a
maximum packet size the receiver will accept: data is either empty or specifies a 16-bit
big-endian unsigned integer (2 bytes). If data is empty or specifies a size less than 32 (the
minimum packet size), the Reader will use its preferred maximum packet size.
Otherwise, it will use the specified max packet size (or less) and will fragment data
across multiple smaller packets when necessary.
(The Reader will respond by resending its previous packet or with e if there was no
previous packet. If the max data size has changed, it may resend the previous data in a
sequence of more than one packet.)
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T
Requests the current date and time (no data)
(The Reader will respond with d with data containing the date and time formatted as
yyyy-mm-dd hh:mm:ss.)
Note: on units without a battery-backed real-time clock, the date and time will reset to
2000-01-01 00:00:00 upon power-up.
U
Supported in firmware version 2526+
Requests the Reader to delete all stored files including data, images, and JavaScript files
(no data)
(The Reader will respond with d or e.)
W
Supported in firmware version 2526+
Requests the Reader to write its current settings from RAM to its non-volatile memory.
(The Reader will respond with d or e.)
X
Initiates data transfer from Reader memory to Host; data specifies whether only buffer
data or all data (buffer and log) should be sent: if empty, all data are sent; otherwise, 0
requests only buffer data and 1 requests all data (buffer and log).
Note: if the autoLogErase setting is nonzero, the log data are cleared after being
successfully sent.
(The Reader will respond with a g packet, zero or more z or p packets, and a final d or e.
In raw mode, the g and d or e packets are omitted; thus if there are no data stored then no
response will arrive.)
Y
Acknowledge the receipt of a packet; data specifies the received packet number (one
byte).
(The Reader will not respond.)
Z
Request the Reader to reboot; data is either empty or contains ‘1’; if it contains 1, the
Reader will reboot into boot loader mode.
(The Reader will respond with d or e before it reboots.)
\
Enhanced to include the Z1 feature in firmware version 2526+
Returns a string previously stored with the B command; data contains the event number
of the stored-command-code as a single byte.
(The Reader will respond with a d packet containing the requested null-terminated string
or with e (e.g., if the specified event number is out-of-range).)
See “Appendix: B-string Settings” for complete details.
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^
Requests the Reader to upload the specified stored file; data contains the file name,
terminated with ASCII NUL.
(The Reader will respond in the same manner as with the ‘(’ command with the following
additions: in the g packet, data contains the filename followed by a tab character,
followed by the file’s size in parentheses (e.g., “test.txt
(1292)”); in the d packet,
data contains “EOF” followed by a tab character, followed by the file’s CRC16 in
parenthesis (e.g., “EOF
(13626)”).)
_
Supported in firmware version 3100+
Causes the Reader to wait for all buttons to be released and clear its event queue
(The Reader will respond with d or e.)
|
Sends data to the Reader. The data may be intercepted by the JavaScript application on
the Reader; otherwise, it will be processed as if read from a code.
(The Reader will respond with d or e.)
~
Requests the Reader to write some of its current settings from RAM to its non-volatile
memory. All settings are written except the communication settings (commMode,
commProtocol, commExpectResponse, and commandOptions, uartBaud, etc.)
(The Reader will respond with d or e.)
This command is valid for Firmware versions 2230+
7 File Installation
7.1 Simple Protocol
The file is split into blocks of 236 or less bytes each and downloaded to the Reader via 1, 2, & 5
commands using the following sequence:
1)
Send a 1 command to initialize the download.
2)
Wait for a d or e response from the Reader or a timeout.
a)
If timeout or e response, restart the sequence at step 1.
b)
If d response, continue to step 3.
3)
Send a series of 2 commands, each with a portion of the file. (The Reader will not send
any response.)
4)
Send a 5 command to end the download and install the file.
5)
Wait for a d, e, or f response from the Reader or a timeout.
a)
If f response or timeout, restart the sequence at step 1.
b)
If e response, repeat step 5.
c)
If d response, file download has completed successfully.
Note: the timeout will need to be increased from the normal response timeout to allow the firmware time
to write the file to the flash memory.
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8 Reader Settings
The Host sets the Reader settings using the /, O, P, Q, and = commands and reads them using the G, ,,
and < commands.
For example, the following P command sets register 2e to the value 7f.
P(2e)7f
Note: for two-digit setting numbers (i.e., settings 00 through fd), an alternative format may be used: in
place of the parentheses and hexadecimal setting number, substitute a single character, which represents
the setting number. The equivalent to the example above is P.7f (the ASCII ‘.’ character has the
hexadecimal value 2e). (In certain circumstances, such as with text-commands, “percent-encoding” may
be used for encoding a character as a sequence consisting of the percent character followed by two
hexadecimal digits. With percent-encoding, the example may be expressed as P%2e7f.)
In the table below, the Reg column is the register setting number, in hexadecimal, to be used with the
commands identified above. In the Default column, all values are in hexadecimal unless otherwise
specified. To use decimal values in commands you must precede the data with a pound sign ‘#’. The
following P command sets register 2e to the same value as the example above:
P(2e)#127
Since the single digit values of 0 through 9 are identical in decimal and hexadecimal, no indicator is
needed.
8.1 Binary Dip Switch
Some registers are what Code terms a ‘Binary Dip Switch’ where the value of each bit of the data string
switches on or off some part of the behavior of that register. The bits are numbered from least
significant to most, a.k.a. right to left. Each bit can be on or off (1 or 0).
An example of this is register 0a, ‘nec2of5Options’. The following settings are possible:
Bit (R to L)
Controls
0
NEC2of5 Decoding
1
Checksum checking
2
Strip checksum from the result
3
1 Digit Symbol Allowed
4
2 Digit Symbol Allowed
Value
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
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Given the settings above, the binary string to turn on NEC 2 of 5 decoding with checksum checking with
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:
P(0a)17
Or
P(0a)#23
8.2 Reader Settings Table
Note: If only one default value is shown then this value is applicable and identical to both CR2/CR3
and CR1200. All differences in the settings use or default value will be noted.
Reg
00
01
Setting Name
Bluetooth® Radio
Out-of-range
(enableRfDisconnectAlarm)
Battery Trigger
(button8)
Default (hex)
0
Comment
Binary Dip Switch
Bit
CR2/CR3: 4
CR2500/3500: 4
Controls
0
Vibrate
1
Beep
Value
0: Disable
1: Enable
0: Disable
1: Enable
Alarm when RF doesn’t have connection
The event associated with the charge pin trigger. Used by the
BH1, BH2, and H2.
See register 39 for a list of event numbers.
02
04
Battery Trigger Confirmation
Time
(button8ConfirmationTime_
ms)
0
Continuous Illumination
Leave illumination on during
read
(leaveIlluminationOnDuring
Read)
CR2/CR3: 0
Note: Supported in firmware version 2362+
Valid Range: 0 to 7FFFFFFF Milliseconds
See register e3 for the list of settings.
Note: Supported in firmware version 2362+
0: Turn illumination off between read attempts
1: Leave illumination on between read attempts
CR1200: 1
Note: Supported in firmware version 2362+
Note: Obsolete for CR2/CR3 firmware 3430+
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Reg
05
Setting Name
No Wait USB
(usbKbEnumNotWaitForSet
ReportLed)
Default (hex)
0
Comment
0: Default mode, declare enumeration after receive set LED
status report
1: Declare enumeration after receive get report descriptor
command. Used for some Windows CE based devices
Special case for USB enumeration that doesn’t require Host
keyboard response
06
Always Enable Auto White
Balance
(alwaysEnableAwb)
0
Note: Supported in firmware version 2362+
0: Disable
1: Enable
Auto White Balance
Note: Supported in firmware version 2378+
07
kbSendDelay_kbClocks
0
08
Reader Packet Format
(commProtocol)
1
09
Keyboard Inter-Message
Delay
(kbInterMessageDelay_ms)
0
NEC 2 of 5 Symbology
(nec2of5Options )
1
0a
Note: Requires power cycle before taking effect.
Each keyboard clock period is 40 microseconds.
Note: Supported in firmware version 2378+
0: Reserved
1: Raw
2: Packet mode
3: Reserved
Valid Range: 0 to 7FFFFFFF Milliseconds
Delay between each keyboard data transmit in the unit of
milliseconds
Note: Supported in firmware version 2378+
Binary Dip Switch
Bit
Controls
0
NEC 2 of 5 Decoding
1
Checksum checking
2
Strip checksum from the result
3
1 Digit Symbol Allowed
4
2 Digit Symbol Allowed
Value
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
Note: All symbol lengths greater than 2 are always enabled
when NEC 2 of 5 Decoding is enabled.
Note: Supported in firmware version 2378+
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Reg
0b
Setting Name
Matrix 2 of 5 Symbology
(matrix2of5Options)
Default (hex)
1
Comment
Binary Dip Switch
Bit
Controls
0
Matrix 2 of 5 Decoding
1
Checksum checking
2
Strip checksum from the result
3
1 Digit Symbol Allowed
4
2 Digit Symbol Allowed
Value
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
All symbol lengths greater than 2 are always enabled when
Matrix 2 of 5 Decoding is enabled
0c
0d
0f
Telepen Symbology
(telepenEnable)
Enable Non-Square Data
Matrix Symbology
(enableNonSquareDataMatri
x)
Targeting Control
(targetEnable)
1
0
CR2/CR3: 3
Supported in firmware version 2378+
Binary Dip Switch
CR1200: 3
Bit
(both bits
enabled)
0
14
Image transform
(transformImage)
0
16
Data Matrix Rectangular
Symbology
(dataMatrixRect)
Data Matrix Symbology
(enableDataMatrix)
0
19
Note: Supported in firmware version 2378+
0: Disable
1: Enable
0: Disable
1: Enable
1
1
Controls
Green (CR1200)
Target (CR2/CR3)
Red (CR1200)
Target (CR2/CR3)
Value
0: Disable
1: Enable
0: Disable
1: Enable
Note: Setting to 0 will disable all targeting features.
0: No transform
1: Mirror
2: Invert
0: Disable
1: Enable
Binary Dip Switch
Bit
Controls
0
Data Matrix Decoding
1
Inverse Data Matrix Decoding
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Value
0: Disable
1: Enable
0: Disable
1: Enable
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Reg
1a
Setting Name
Straight 2 of 5 Symbology
(enableMiscBarcodes)
Default (hex)
1
1b
Communications Mode
(commMode)
2
Comment
0: Disable
1: Enable
Straight 2 of 5 (with 2 or 3 start/stop codes ) Decoding
CR2/CR3:
0: PS/2 (AT) keyboard
1: RS232 serial
2: USB keyboard
3: Reserved
4: RF (Bluetooth®)
5: USB Native (HID)
6: USB VComm (3000+ firmware)
7: USB HID POS -Terminal 131 (firmware 3484+)
CR1200:
0: PS/2 (AT) keyboard (firmware 4126+ and serial number
10050561+)
1: RS232 serial
2: USB keyboard
3: Reserved
4: Not valid
5: USB Native (HID)
6: USB VComm (3000+ firmware)
7: USB HID POS -Terminal 131 (firmware 4144+)
This setting is used in conjunction with settings 08 and 42 to
configure the communication mode between standard “oneway” and “two-way” modes.
For example, USB “two–way” native:
1b: 5 (USB Native)
08: 2 (packet mode)
42: 1 (expect response)
Note: The following must be completed within 1 second.
first output report with numlock set and capslock clear
second output report with numlock set and capslock clear
third output report with capslock set numlock clear
fourth output report with capslock set numlock clear
fifth output report with numlock set and capslock clear
sixth output report with numlock set and capslock clear
On the last output report comm protocol is set to raw mode,
comm expect response is false and comm mode is USB
Downloader mode
Note: In firmware 3550+ register 78 also disables this feature.
CR1200 enables this in 4245+
Note: PS/2 is not supported on the Embedded CR1200
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Reg
1c
Setting Name
Baud Rate (uartBaud)
Default (hex)
E100
(# 57600)
1d
Stop Bits (uartStopBits)
2
1e
Data Bits (uartDataBits)
8
22
Parity (uartParity)
0
26
Beep/Vibrate Volume
(beepVolume_percent)
64
(#100)
Comment
All standard baud rates up #115200
• #9600
(2580)
• #19200 (4B00)
• #38400 (9600)
• #57600 (E100)
• #115200 (1C200)
1: Send 1 stop bit
2: Send 2 stop bits
7: 7 data bits
8: 8 data bits
0: None
1: Odd
2: Even
Valid Range: 0 to 64 (#100) Percent
This is the percentage of full volume.
29
PDF417 Symbology
(enablePdf417)
1
Also see registers: 59, a7
0: Disable
1: Enable
2a
Micro PDF417 Symbology
(enableMicroPdf417)
0
Also see registers: 2a, cf
0: Disable
1: Enable
2b
QR Code Symbology
(enableQrCode)
0
Also see registers: 29, cf
Binary Dip Switch
Bit
Controls
0
QR Code Decoding
1
Inverse QR Code Decoding
2
Micro QR Code Decoding
3
Inverse Micro QR Code Decoding
Value
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
Note: Micro QR is supported in firmware version 2378+
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Reg
2c
Setting Name
Extra Time in Active Mode
When Cable is Connected
(extraCabledActiveTime_ms)
Default (hex)
6DDD00
Comment
Valid Range: 0 to 7FFFFFFF Milliseconds
(#120*60*1000
(7200000 ms or 2
hours))
Active Mode is the time between the last user interaction with
the Reader (button press, etc.) and Power-Saving Idle Mode.
This setting increases Active Mode time only when the
Reader is cabled.
Power Usage: 4 out of 4
Next state: Idle
Note: in “continuous read” mode, this is also the continuous
read timeout period.
2d
32
Keyboard Maps
(kbMap)
Time in Active Mode
(activeTime_ms)
0
493E0
(#5*60*1000
(300000 ms or 5
minutes))
Also see registers: 32, 88, 8e, 9e, 9f
0: US English (without leading 0 in the alt _ Num)
1: ASCII (alt+number) - universal
2: Custom (requires user to download keyboard map)
3: US English (with leading 0 in the alt + num for nonprintable ASCII)
4: French Keyboard
5: German Keyboard
6: Japanese Keyboard
7: US English (with ctrl + char for non-printable ASCII)
Note: Supported in firmware version 2394+
Note: These settings will not be reset by factory defaults
Valid Range: 0 to 7FFFFFFF Milliseconds.
Active Mode is the time between the last user interaction with
the Reader (button press, etc.) and Power-Saving Idle Mode.
Power Usage: 4 out of 4
Next state: Idle
Note: in “continuous read” mode, this is also the continuous
read timeout period.
34
Maximum Candidate
Decodes Per Read
(maxStickyDecodes)
1
35
Button Stay-Down Time
(stickyTime_ms)
0
Also see registers: 2c, 88, 8e, 9e, 9f
The Reader will process up to this number of codes per “read
code” event. If there are more than this many codes in the
field of view and within target tolerance, only the first ones
will be decoded. For fastest performance with single codes,
set to 1.
Also see register 44
Valid Range: 0 to 7FFFFFFF Milliseconds
Keep processing the “read code” events for this amount of
time (act as if the button sticks down for this time)
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Reg
36
37
39
3a
3b
3c
40
Setting Name
Number of Control Frames
Before Picture Capture
(agcFramesBeforePicture)
Default (hex)
6
Host Acknowledgement
Time Limit
(HostAckTimeout_ms)
2BC
(#700)
Right Top Button
(button1)
4
Left Top Button
(button2)
Combination of Left and
Right Buttons
(button3)
Handle Button
(button4)
Text Command Timeout
(HostPacketTimeout_ms)
Comment
Valid Range: 0 to 7FFFFFFF Frames
Number of frames captured and discarded before live picture
to give the gain control time to adjust.
Also see registers: 43, ab, ac, ad, ae, af, b1
Valid Range: 0 to 7FFFFFFF Milliseconds
After sending data to Host, the Reader waits up to this amount
of time for the acknowledgement from Host before declaring
failure.
The specified event is posted upon press of this button. The
events are defined below.
4
0: no action
1: keep awake
2: show target
3: read in near and far fields
4: defaultEvent (default) Selected by hardware
- CR2/CR3 read in both fields
- CR1200 read in near fields
- CR2500 read in wide field
5: read in near/high density field
6: read in far/wide field
7: take picture
8: read in most recently successful field
9 – 71: execute stored command string indicated by value
72 – 254: reserved
255: idle
See register 39 for settings.
CR2/ CR3: 0
Combination of buttons 1 and 3.
CR2/CR3:4
CR2500/CR3500:
4
CR1200:4
2AF8
(#11000)
See register 39 for settings.
See register 39 for settings.
Note: This is the register for the trigger button for the
CR1200.
Valid Range: 0 to 7FFFFFFF Milliseconds
The maximum time during which a complete text command
from Host must be received. (Pending text command data is
discarded when the timeout is exceeded.)
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Reg
41
Setting Name
Text Commands
(commandOptions)
Default (hex)
8
Comment
Binary Dip Switch
Bit
Controls
0
Text Commands
1
Suppress Echo
2
Suppress Responses
3
4
5
Disable Text Commands but
Enable Magic Sequence; See
Below
Suppresss URL Decode; See
Below
Accept On Timeout
Value
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
Magic Sequence:
The Magic Sequence is the string “;>PAx” where x is 1, 3, or
7 as defined above. This would normally be used in command
text files, which would begin with the text-command-on
sequence and end with the command to return to this special
mode. For example:
;>PA7
;any desired commands here
PA8
Note: ;>PAx is supported in firmware version 2210+
42
43
Expect Acknowledgement
From Host
(commExpectResponse)
JPEG Picture Quality
(jpegQuality_percent)
0
32
(#50)
Additional settings in firmware version 3430+
Suppress URL Decode:
For example, if enabled, P%418 will not equal PA8.
The % is not recognized as an escape character
Accept On Timeout:
Note: See register 156 for details
0: Reader doesn’t wait for acknowledge
1: Reader will retransmit data when Host doesn’t
acknowledge receipt
Valid Range: 0 to 64 (#100) Percent
0: Raw Image (No JPEG Compression)
1 To 100: JPEG Compression Quality Percent
Also see registers: 36, ab, ac, ad, ae, af, b1
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Reg
47
Setting Name
MaxiCode Symbology
(enableMaxiCode)
Default (hex)
0
Comment
Binary Dip Switch
Bit
48
Codabar Checksum
(miscBarcodeChecksum)
0
0
MaxiCode Decoding, Mode 0
1
MaxiCode Decoding, Mode 1
2
MaxiCode Decoding, Mode 2
3
MaxiCode Decoding, Mode 3
4
MaxiCode Decoding, Mode 4
5
MaxiCode Decoding, Mode 5
6
MaxiCode Decoding, Mode 6
Code 39 Symbology
(code39FullAscii)
0
4a
Composite Codes
(enableCompositeCodes)
0
Value
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
Binary Dip Switch
Bit
49
Controls
Controls
0
Codabar Checksum Checking
1
Strip Checksum From Output
Value
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
Code 39 Full ASCII Decoding
0: Disable
1: Enable
Composite Code Decoding
4b
Postal Code Symbology
(enablePostalCodes)
0
Also see register: d8
0: Disable
0x8: Australian Post decoding enabled
0x20000: Japan Post decoding enabled
0x200001: KIX decoding enabled
0x80: Planet decoding enabled
0x2000: Postnet decoding enabled
0x200000: Royal Mail decoding enabled
-0x80000000: USPS4CB (Firmware version 3418+)
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Reg
4c
Setting Name
RSS Symbology (enableRss)
Default (hex)
0
Comment
Binary Dip Switch
Bit
Controls
0
RSS Expanded decoding
1
RSS Expanded Stacked decoding
2
RSS Limited decoding
RSS-14 and RSS-14 Truncated
decoding
RSS-14 Stacked and RSS-14
4
Stacked omni-directional decoding
0: Disable
1: Enable
3
4d
UPC Expansion
(enableUpcExpansion)
1
4e
UPC Supplemental
(enableUpcSupplemental)
1
4f
MSI Plessey Symbology
(enableMsip)
Aztec Symbology
(enableAztec)
0
50
0
Also see registers: 4e, 6a, 74
0: Disable
1: Enable
Also see registers: 4d, 6a, 74
0: Disable
1: Enable
Binary Dip Switch
Bit
53
54
SXGA Near Field Window
Vertical Size (CR1200:
Horizontal)
(nearFieldDecodeWindowWi
dth_pixels)
SXGA Near Field Window
Horizontal Size (CR1200:
Vertical)
(nearFieldDecodeWindowHe
ight_pixels)
CR2/CR3: 280
(#640)
CR1200: 500
(#1280)
CR2/CR3: 400
(#1024)
CR1200: 280
(#640)
Value
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
Controls
0
Aztec Decoding
1
Inverse Aztec Decoding
Value
0: Disable
1: Enable
0: Disable
1: Enable
Valid Range: 1 to 640 pixels
Decoding is attempted in only the specified window of the
full image.
Note: the width and height refer to the physical image, which
is rotated 90 degrees on CR2. This setting is applicable to
SXGA mode only.
Valid Range: 1 to 400 (#1024) Pixels
Decoding is attempted in only the specified window of the
full image.
Note: the width and height refer to the physical image, which
is rotated 90 degrees on CR2. This setting is applicable to
SXGA mode only.
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Reg
55
Setting Name
Notify of No-Read
(notifyOfReadFailure)
Default (hex)
0
Comment
0: Disable
1: send “r” packet on No-Read (See “r” packet in Section 5.2.)
0x100xx: post event on No-Read , where the lower 8 bits
specify the event number. For example, 0x10009 to post
Event 0x09.
The following example will use a stored code and stored code
event to output “No Read” on read failure.
B% 48%01X%1d%02>No%0dRead%00
P%5510048
59
Beep/Vibration Duration
(beepDuration_ms)
CR2/CR3: 64
(#100)
Output when no decode was achieved:
No (%0d inserts carriage return)
Read
Valid Range: 0 to 7FFFFFFF Milliseconds
Also see registers: 26, a7
CR1200: 50
(#80)
1
6a
UPC Symbology
(enableUpc)
6b
Code 39 Symbology
(enableCode39)
1
6c
Code 93 Symbology
(enableCode93)
Code 128 Symbology
(enableCode128)
Interleave 2 of 5 Symbology
(enableInterleave2of5)
1
Codabar Symbology
(enableCodabar)
Code 39 CheckSum
(code39Checksum)
1
6d
6e
6f
70
1
1
0
0: Disable
1: Enable
Also see registers: 4d, 4e, 74
0: Disable
1: Enable
Also see register: 70
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
Also see registers: 71, c9
0: Disable
1: Enable
Binary Dip Switch
Bit
Controls
0
Code 39 Checksum Checking
1
Strip Checksum From Output
Value
0: Disable
1: Enable
0: Disable
1: Enable
Also see register: 6b
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Reg
71
Setting Name
Interleave 2 of 5 Checksum
(interleave2of5Checksum)
Default (hex)
0
Comment
Binary Dip Switch
Bit
0
1
72
73
Auto Stored Data Erase
(autoLogErase)
Auto Transfer Buffer
Memory (autoBufferUpload)
1
1
74
UPC Short Margin
(enableUpcShortMargin)
1
75
RS-232 Batch Mode
(uartAlwaysConnected)
Storage Mode
(sendAndStoreMode)
0
Settings Lock
(settingsLock)
Trioptic Options
1
76
78
85
0
1
Controls
Interleave 2 of 5 Checksum
Checking
Strip Checksum From Output
Also see registers: 6e, c9
0: Disable
1: Enable
Note: When “1,” data and images are cleared from
nonvolatile memory when they are successfully uploaded to
the Host. (In “Log mode,” this is set to “0.”)
0: Disable
1: Enable
When “1,” the Reader will automatically upload buffered data
(i.e., storage that hasn’t been previously uploaded) whenever
a connection is present.
0: Disable
1: Enable
Also see registers: 4d, 4e, 6a
0: Detect RS232 cable by presence of power on pin 1.
1: Assume RS232 cable is always connected
0: Normal mode (buffered send)
1: Send and log mode
3: Log only mode
Also see registers: 72, 73
1: Settings unlocked
3: Settings locked (except settingsLock (78))
Binary Dip Switch
Bit
0
1
Controls
Trioptic Decoding, Normal Quiet
Zones
Allow Short Quiet Zones
No Quiet Zones Required (requires
firmware version 3280+)
Valid Range:
2
86
Motion Detection Event
(motionEvent)
0
Value
0: Disable
1: Enable
0: Disable
1: Enable
Value
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
When motion is detected, this event is posted.
See register 39 for list of events.
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Reg
87
88
Setting Name
Motion Detection Sensitivity
(motionThresh)
Default (hex)
CR2x: 19
(#25)
Time in Sleep Mode
(sleepTimeout_sec)
CR1200: F
(#15)
1C20
(#2*60*60
(7200 sec or 2
hours))
Comment
Valid Range:
The sensitivity of motion detection. Lower numbers make
detection more sensitive; higher numbers, less sensitive.
Valid Range: 0 to 7FFFFFFF Seconds
Sleep Mode is the time between Standby Mode and Power
Off Mode. The Reader can wake up out of Sleep Mode
without having to reboot resulting in a quicker transition to
Active Mode. Other than the quicker transition to Active
Mode and slightly higher power usage, the Reader is in a state
very similar to Power Off.
Power usage: 1 out of 4
Communications: Disabled
Previous state: Standby
Next state: Power Off (which uses no power)
89
Bluetooth® PIN
(bluetoothPin)
12345678
(String)
Also see registers: 2c, 32, 8e, 9e, 9f
Value of the Bluetooth® Pin sent if the Host requests a pin.
Note: See register 173
8e
Time in Idle Mode
(idleTimeout_sec)
5A
(#90)
Note: Supported in firmware 3514+
Valid Range: 0 to 7FFFFFFF Seconds
Idle Mode is the time between Active Mode and Standby
Mode. The Reader can transition to Active Mode very
rapidly. Other than the quicker transition to Active Mode and
slightly higher power consumption, the Reader is in a state
very similar to Standby Mode.
Power usage: 3 out of 4
Communications: Enabled
Previous state: Active
Next state: Standby
Also see registers: 2c, 32, 88, 9e, 9f
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Reg
93
Setting Name
Suppress Beep On Decode
(suppressBeepOnDecode)
Default (hex)
0
Comment
0: beep indicating decode before JavaScript processing
1: call JavaScript without beeping to indicate decode
Normally, the Reader beeps as soon as decodes are read and
processes them via JavaScript if necessary after the beep. To
enable JavaScript to control the beep feedback, change this
setting to 1; this will suppress the beep; the JavaScript would
typically beep if the decode is valid or start another read cycle
if it isn’t.
This setting does not suppress beeps for anything but a
successful decode event.
9c
9d
9e
Laser Brightness
(targetBrightness_percent)
Target Tolerance
(targetTolerance_percent)
Extra Time in Idle Mode
When Cable is Connected
(extraCabledIdleTime_sec)
64
(#100 )
640
(#1600)
7FFFFFFF
(#596523*60*
60
(2147483647 sec
or ~596523
hours))
Note: supported in firmware version 3100+
Valid Range: 0 to 64 (#100) Percent
Valid Range: 0 to 7FFFFFFF Percent
For the Reader to accept a code, the target dot must be within
the code rectangle or in proximity to the symbol. The
nearness is defined as this percentage of the code’s smaller
dimension. For example, with a 10 x 20 mm code and a
setting of 150 (%), the target dot must be within 15 mm of the
code.
Any value over 1000 is considered infinite tolerance, and no
target checking is performed.
Valid Range: 0 to 7FFFFFFF Seconds
Idle Mode is the time between Active Mode and Standby
Mode. The Reader can transition to Active Mode very
rapidly. Other than the quicker transition to Active Mode and
slightly higher power consumption, the Reader is in a state
very similar to Standby Mode.
Power usage: 3 out of 4
Communications: Enabled
Previous state: Active
Next state: Standby
Also see registers: 2c, 32, 88, 8e, 9f
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Reg
9f
Setting Name
Time in Standby Mode
(standbyTimeout_sec)
Default (hex)
0
Comment
Valid Range: 0 to 7FFFFFFF Seconds
Standby Mode is the time between Idle Mode and Sleep
Mode. Standby Mode has lower power consumption but is in
a state very similar to Idle Mode.
Power usage: 2 out of 4
Communications: Disabled but the radio maintains its
connection (RF mode)
Previous state: Idle
Next state: Sleep
Note: supported in firmware version 2526+
a1
Vibrate
(vibrate)
CR2/CR3: 0
Also see registers: 2c, 32, 88, 8e, 9e
0: Disable
1: Enable: vibrator will be on at same time as speaker
CR1200: 1
Note: if vibrate-only is desired, set speaker volume to 0.
a2
Default Event Delay
(defaultEventDelay_ms)
CR2500/3500: 1
0
Valid Range: 0 to 7FFFFFFF Milliseconds
The Reader will pause for this amount of time between each
posting of the default event (used with “continuous read”
mode).
a7
ab
ac
Beep (Vibrate) Pulse
Separation
(beepSeparation_ms)
AGC Selection for Taking
Pictures
(useImagerAgcWithTakePict
ure)
Picture Window Left
Position (pictureWindowX)
CR2/CR3: 14
(#20)
Also see register c4.
Valid Range: 0 to 7FFFFFFF Milliseconds
The spacing in milliseconds between beeps.
CR1200: 64
(#100)
0
0
Also see registers: 26, 59
0: use decoder AGC (designed for Symbology decoding)
1: use imager AGC (optimized for pictures)
Also see registers: 36, 43, ac, ad, ae, af, b1
Specify position and size of window used with “take picture.”
The position and size are relative to the virtual image (i.e., not
the rotated physical image).
Note: on Code Reader 2, overall image is 1024 x 1280. Upper
half is far field; lower half is near field.
ad
ae
Picture Window Upper
Position (pictureWindowY)
Picture Window Width
(pictureWindowWidth)
0
CR2/CR3: 400
(#1024)
Also see registers: 36, 43, ab, ad, ae, af, b1
Also see register: ac
Also see register: ac
CR1200: 500
(#1280 )
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Reg
af
Setting Name
Picture Window Height
(pictureWindowHeight)
b0
Laser Target on Before
Picture (targetBeforePicture)
b1
When to apply CodeXML®
rules
(configCodesBeforeCodeXm
l)
b3
b4
Default (hex)
CR2/CR3: 280
(#640)
CR1200: 400
(#1024)
0
2
Time of retries before Reader
gives up sending
(commMaxSendAttempts)
3
noStoreIfNotConnected
CR2/3: 0
0: Laser off before picture capture
1: Laser on before picture capture
Also see registers: 36, 43, ab, ac, ad, ae, af
0: Process configuration strings only before applying
CodeXML® rules
1: Process configuration strings only after applying
CodeXML® rules
2: Process configuration strings before and after applying
CodeXML® rules
Controls the sequence of processing configuration strings and
applying CodeXML® rules.
Valid Range: 1 to 7FFFFFFF
Note: The value 1 is defined as the original send attempt but
no resends.
CR1200: 1
bf
Comment
Also see register: ac
USB Keyboard Poll Rate
(keyboardPollingPeriod)
CR2/CR3: A
(#10)
c4
Default (Continuous) Event
(defaultEvent)
CR1200: 5
FF
(#255)
c6
Auto Connect
(autoConnectMode)
1
Also see register: 42 (commExpectResponse)
0: normal buffer operation
1: nothing is stored in nonvolatile memory when there is not a
valid connection. If there is no active connection and data
would have otherwise been stored, the Reader will
indicate this fact the same as with a storage-full condition.
Valid Range: 1 to FF (#255) Milliseconds
The Host is requested to poll the USB device at the specified
period.
When no button is pressed but the Reader is still in active
mode (i.e., not power-saving idle or sleep modes), this event
will be posted. See register 39 for the list of events. The
default value (idle event) disables “continuous scanning”; use
one of the read events to enable “continuous scanning.”
0: No Auto Connect - connect only on “X” and “:” commands
and upload events
1: Auto Connect - attempt to establish connection when in
idle mode and maintain connection when in standby mode
2: Auto Reconnect - attempt to connect when there is data to
send but only within specified time of last valid
connection. Also see register: ea.
3: Auto Connect If Cabled - attempt to connect if Reader is
cabled or in charger
Note: This functionality is implemented in the Codeviewer
JavaScript application. If custom JavaScript is developed,
caution must be taken to include this functionality.
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Reg
c7
Setting Name
SXGA Far Field Window
Vertical Size
(farFieldDecodeWindowWid
th_pixels)
Default (hex)
CR2/CR3: 280
(#640)
SXGA Far Field Window
Horizontal Size
(farFieldDecodeWindowHeig
ht_pixels)
interleave2of5Lengths
CR2500/CR3500:
400
(#1024)
Valid Range: 1 to 400 (#1024) Pixels
0
FFFFFFFC: 2 and 4 digit disabled
FFFFFFFD: 2 digit enabled
FFFFFFFE: 4 digit enabled
ca
Auto Disconnect
(autoDisconnect)
0
cd
Codablock A Symbology
(enableCodablockA)
Codablock F Symbology
(enableCodablockF)
Macro PDF417 Symbology
(macroPdf417)
0
Ignore Duplicate Code
(duplicateBlockTime_sec)
0
c8
c9
ce
cf
d6
Comment
Valid Range: 1 to 280 (#640) Pixels
This setting is applicable to SXGA mode only.
CR2500/CR3500:
280
(#640)
0
0
This setting is applicable to SXGA mode only.
Also see registers: 6e, 71
0: retain connection until sleep or explicit disconnect
command
1: disconnect from the Host when there is nothing to send. (In
conjunction with autoConnect (c6) and autoBufferUpload
(73), the Reader will connect when there is data to send,
send the data, then disconnect (to allow another Reader to
connect to the same Host).
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
Also see registers: 29, 2a
Valid Range: 0 (off) to 7FFFFFF Seconds
Consecutive duplicate codes (i.e., codes that contain the same
data) are blocked for this amount of time (in seconds).
d8
Compostite Linkage Control
(compositeCodesRequireBot
hElements)
1
d9
Max Connection Wait Time
(connectTimeout_sec)
1E
(#30)
Note: Deprecated, but maintain for backwards
compatibility. If using 3430 or greater firmware, use register
159.
0: Accept any composite element
1: Only accept composite codes if both elements could be
decoded.
Also see register 4a.
Valid Range: 0 to 7FFFFFFF Seconds
The Reader will attempt connection for up to this amount of
time when a connection is explicitly requested, such as when
a QuickConnect code is read or an upload is requested (by
event or command).
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Reg
e2
Setting Name
imagerResolution
Default (hex)
0
Comment
0: SXGA (1280x1024)
1: VGA (640x480)
e3
button1ConfirmationTime_m
s
0
Note: Error beeps (6 beeps) if in a programming code.
Valid Range: 0 to 7FFFFFFF Milliseconds
e4
button2ConfirmationTime_m
s
0
The button must be pressed and held for this amount of time
(without change in which buttons are held down) before the
button press is accepted. Setting this value greater than zero
makes it easier to select combinations of buttons (e.g.,
button3, which is button1 and button2 pressed together).
Valid Range: 0 to 7FFFFFFF Milliseconds
e5
button3ConfirmationTime_m
s
0
See register e3 for the list of settings.
Valid Range: 0 to 7FFFFFFF Milliseconds
e6
button4ConfirmationTime_m
s
0
See register e3 for the list of settings.
Valid Range: 0 to 7FFFFFFF Milliseconds
e7
button5ConfirmationTime_m
s
0
See register e3 for the list of settings.
Valid Range: 0 to 7FFFFFFF Milliseconds
e8
button6ConfirmationTime_m
s
0
See register e3 for the list of settings.
Valid Range: 0 to 7FFFFFFF Milliseconds
e9
button7ConfirmationTime_m
s
0
See register e3 for the list of settings.
Valid Range: 0 to 7FFFFFFF Milliseconds
ea
Reconnect Timeout
(reconnectTimeout_sec)
5A
(#90)
eb
Maximum Reader to Host
packet data size
(maxPacketSize)
Host Acknowledgement
Time Limit Multiplier
(HostAckTimeoutMultiplier_
ms)
4000
(#16384)
Prefix Result with AIM
Symbology Identifiers
(enableSymbologyIdentifierP
refix)
Allow Code 128 Short
Margin
(allowCode128ShortMargin)
0
ec
ed
f0
F
(#15)
1
See register e3 for the list of settings.
Valid Range: 0 to 7FFFFFFF Seconds
See register c6 for the list of settings.
Valid Range: 1 to 4000 (#16384)
Valid Range: 0 to 7FFFFFFF Milliseconds
When commExpectResponse (register 42) is nonzero, the
Reader will wait up to HostAckTimeout_ms + dataSize *
HostAckTimeoutMultiplier_ms milliseconds to receive an
acknowledgement from the Host.
0: don’t prefix with AIM identifier
1: prefix decode result with ISO/IEC standard 15424/AIM
symbology identifier
0: Disable
1: Enable
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Reg
f1
f2
f3
f4
Setting Name
VGA Near Field Window
Vertical Size (CR1200
Horizontal)
(vgaNearFieldDecodeWindo
wWidth_pixels)
VGA Near Field Window
Horizontal Size (CR1200
vertical)
(vgaNearFieldDecodeWindo
wHeight_pixels)
VGA Far Field Window
Vertical Size
vgaFarFieldDecodeWindow
Width_pixels
Default (hex)
CR2/CR3: 140
(#320)
CR1200: 280
(#640)
CR2/CR3: 1E0
(#480)
CR1200: 1E0
(#480)
CR2/CR3: 140
(#320)
Comment
Valid Range:
CR2/CR3: 1 to 320 pixels
CR1200: 1 to 640 pixels
Note: Supported in firmware version 2178+
Valid Range:
CR2/CR3: 1 to 480 pixels
CR1200: 1 to 480 pixels
Note: Supported in firmware version 2178+
Note: Obsolete in CR2/CR3 version 4058+ and CR1200
4180+
Valid Range: 1 to 320 pixels
Note: Supported in firmware version 2178+
VGA Far Field Window
Horizontal Size
vgaFarFieldDecodeWindow
Height_pixels
CR2/CR3: 1E0
(#480)
f6
Code 39 Short Margin
(enableCode39ShortMargin)
1
f7
Code 11 Symbology
(code11Config)
0
Note: Obsolete in CR2/CR3 version 4058+ and CR1200
4180+
Valid Range: 1 to 480 pixels
Note: Supported in firmware version 2178+
Note: Obsolete in CR2/CR3 version 4058+ and CR1200
4180+
0: disallow short margin Code 39 symbol decoding
1: allow short margin Code 39 symbol decoding
Note: Supported in firmware version 2180+
Binary Dip Switch
Bit
0
f8
f9
fa
fb
PharmaCode Symbology
(pharmaCodeConfig)
PharmaCode Barcount
(pharmaCodeBarCount)
PharmaCode Min Value
(pharmaCodeMinValue)
PharmaCode Max Value
(pharmaCodeMaxValue)
0
1004
(#4100)
F
(#15)
1FFFE
(#131070)
Controls
Code 11 Decoding with two
checksum digits checked
1
Limit to one checksum digit
2
Strip checksum(s) from the result
string
Value
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
Note: Supported in firmware version 2182+
See Section 11.1
Valid Range: Each 8 bits can be 04 to 10 (#16)
Bit 0 – Bit 7: min bar count, 04 to 10 (#16)
Bit 9 – Bit 15: max bar count, 04 to 10 (#16)
Valid Range: F (#15) to 1FFFE (#131070)
Valid Range: F (#15) to 1FFFE (#131070)
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Reg
fc
fd
100
Setting Name
Keep reading codes as long
as button is held down
(keepReadingWhileButtonIs
Pressed)
Default (hex)
0
log battery level and
timestamp
(logBatteryLevel)
0
Backlight Timeout
(backlightTimeout_ms)
BB8
(#3000)
Comment
0: Disable (requires button to be released before next scan
occurs)
1: Enable
Note: when enabled, duplicateBlockTime_sec should be set
to be greater than zero.
Valid Range: 0 (off) to FFFFFFFF
Number of scans between each log entry that includes the
battery level and the timestamp
Valid Range: 0 to 7FFFFFFF Milliseconds
Backlight goes off automatically after this amount of time, in
milliseconds, after a button press.
101
102
103
104
105
Backlight Brightness
(backlightBrightness_percent
)
4B
(#75)
Keypad beep volume
(keypadBeepVolume_percent
)
0
Display white mode gray
scale settings
(lcdWhiteMode)
0000
Display light gray mode gray
scale settings
(lcdLightGrayMode)
0097
Display dark gray mode gray
scale settings
(lcdDarkGrayMode)
9996
Note: Supported in firmware version 2526+
Valid Range: 0 to 64 (#100) Percent
Backlight is illuminated at this percent value
Note: Supported in firmware version 2526+
Valid Range: 0 to 64 (#100) Percent
Beeps at specified percentage of full beeper volume whenever
a keypad key is pressed
Note: Supported in firmware version 2526+
Valid Range: (each digit): 0 to 9
For all gray scales, each digit (4 bits) divided by 9 represents
the percent of time a pixel of the corresponding gray scale is
turned on in each frame. The lowest 4 bits correspond to
frame 1, next 4 to frame 2, etc.
Note: Supported in firmware version 2526+
Valid Range: (each digit): 0 to 9
For all gray scales, each digit (4 bits) divided by 9 represents
the percent of time a pixel of the corresponding gray scale is
turned on in each frame. The lowest 4 bits correspond to
frame 1, next 4 to frame 2, etc.
Note: Supported in firmware version 2526+
Valid Range: (each digit): 0 to 9
For all gray scales, each digit (4 bits) divided by 9 represents
the percent of time a pixel of the corresponding gray scale is
turned on in each frame. The lowest 4 bits correspond to
frame 1, next 4 to frame 2, etc.
Note: Supported in firmware version 2526+
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Reg
106
10b
Setting Name
Display black mode gray
scale settings
(lcdBlackMode)
Default (hex)
9999
Enable JavaScript
(enableJavaScript)
1
Comment
Valid Range: (each digit): 0 to 9
For all gray scales, each digit (4 bits) divided by 9 represents
the percent of time a pixel of the corresponding gray scale is
turned on in each frame. The lowest 4 bits correspond to
frame 1, next 4 to frame 2, etc.
Note: Supported in firmware version 2526+
0: Disable
1: Enable
When set to 0 installed scripts are disabled. This can be useful
from boot mode for recovering the unit if a non-responsive
script is installed.
10c
10d
RF Connected Cache Time
(rfConnectedCacheTime_sec
)
3
Data Matrix Symbol Size
(dataMatrixSymbolSize)
CR2/CR3: 0
CR1200: 2
Note: supported in firmware version 2526+
Valid Range: 0 to 7FFFFFFF Seconds
The time the last connection status received from the radio
remains valid.
If a request is made during this time since last radio query, the
cached status is returned. Otherwise, the Reader will query the
radio for connection status (which takes up to 1 second).
0: Normal effort (Default)
1: Increase effort
2: Max effort
Increases the decoder’s effort to find a Data Matrix symbol in
an image.
Note: supported in firmware version 3100+
10e
Legacy Picture Upload
(legacyPictureUpload)
1
Also see register 1b2
Selection of picture upload method:
0: Store pictures as files – Pictures will be stored as files and
must be uploaded using the “^” command. Take-picture event
will store rather than immediately upload picture.
1: Legacy picture upload – Take-picture event will attempt to
immediately upload picture using the legacy image upload
protocol. (If upload fails, the picture will be stored as a file.).
Also, the ‘X’ command will cause stored picture files to be
uploaded using the legacy image upload protocol. (The
images will not be automatically transferred when a
connection is established; the ‘X’ command is needed.)
Note: supported in firmware version 3100+
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Reg
12c
Setting Name
Data Matrix Improvement
(dataMatrixMiscImprovemen
t)
Default (hex)
0
Comment
Binary Dip Switch
Bit
Controls
0
Binarization Improvement
1
Low Contrast Improvement
Value
0: Disable
1: Enable
0: Disable
1: Enable
Improves the decoding capability of the Reader on low
contrast or pixilated Data Matrix bar codes
12d
Hong Kong 2 of 5
Symbology
0
Note: Supported in firmware version 3280+
Binary Dip Switch
Bit
12f
Notify Of Packet Rejection
(notifyOfPacketRejection)
1
Controls
0
Hong Kong 2 of 5 Decoding
1
1 Digit Symbol Allowed
2
2 Digit Symbol Allowed
Value
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
Note: Supported in firmware version 3280+
0: Disable
1: Beep 3 times
0x100xx: post event on No-Read , where the lower 8 bits
specify the event number. For example, 0x10009 to post
Event 0x09.
Specify the behavior when a packet is rejected because of
incorrect encryption key, incorrect packet protocol, or
CodeXML® Modem locked to a different Reader.
137
PDF417 Handle Invalid Shift
(pdfHandleInvalidShift)
0
Note: Supported in firmware version 3280+
0: Disable
1: Enable
Allows the decoding of PDF417 bar codes that were
improperly encoded
Note: Supported in firmware version 3280+
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Reg
150
Setting Name
Background Bluetooth®
Connection
(synchronousSend)
Default (hex)
0
Comment
0: Bluetooth® connection is confirmed before user is allowed
to scan. Pressing the trigger button will cancel the
connection.
1: Allows user to begin scanning before the Bluetooth®
connection is confirmed.
Allows user to begin scanning before Bluetooth® connection
is confirmed
Note: supported in firmware version 3430+
151
Beep before Bluetooth®
Connection is established
(quickConnectNotWaitForCo
nnection
0
Also see registers: 151, a0
0: Beep upon establishing a Bluetooth® Connection
1: Do not wait for connection before beep.
Give the second beep before connection is established when
scanning QuickConnect code. To be used with register 150 to
improve user experience with QuickConnect code
Note: supported in firmware version 3430+
154
Enable Black and White
Pictures
(takeBlackAndWhitePicture)
0
Also see register: 150
0: Images remain in grey scale.
1: Captured images are converted to black and white.
Converts grey scale images to black and white
159
Ignore Duplicate Code
(duplicateBlockTime_msec)
0
Note: supported in firmware version 3430+
Valid Range: 0 (off) to 7FFFFFF Milliseconds
Consecutive duplicate codes (i.e., codes that contain the same
data) are blocked for this amount of time (in milliseconds).
The actual block time is the sum of settings d6*1000+159.
Note: Supported in firmware CR1200 version 4112+,
CR2/CR2 version 3430+
172
Automatically Save Active
RF Connection Bluetooth®
Address
(rfAutoSaveActiveConnect)
CR2/3: 0
Also see register: d6
0: Disable
1: Enable
Automatically save the RF connection address. The address
in the QuickConnect code will be saved if enabled.
Other communication settings such as RF one-way or RF
two-way are not automatically saved, so the Reader must be
saved in the proper communication mode for this feature to
work properly.
Note: Supported in firmware version 3474+
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Reg
173
Setting Name
Enable Bluetooth®
Encryption
(enableBluetoothEncrytion)
Default (hex)
0
Comment
0: Disable
1: Enable
Enables the standard AES 128 bit Bluetooth® encryption.
Note: Supported in firmware 3514+
175
17f
180
1b2
Rotate CR3 display and
keypad
(rotateKeypadDisplay)
jsMaxMemory_bytes
0
Bit
CR2/CR3:
600000
(6*1024*1024 or
#6291456)
jsPeakMemory_bytes
HD Data Matrix Symbol Size
(hdf_dataMatrixSymbolSize)
Also see register 89
Binary Dip Switch
CR1200: C00000
(12*1024*1024 or
#12582912)
0
CR2/3/1200: not
supported
Controls
0
Screen Rotation 180°
1
Swap Left and Right Arrow Keys
Value
0: Disable
1: Enable
0: Disable
1: Enable
Note: Requires reboot to take effect
Note: Supported in firmware 3546+
JavaScript Maximum Memory Usage
Read only. JavaScript Peak Memory Usage
0: Normal effort (Default)
1: Increase effort
2: Max effort
CR2500/3500: 0
Increases the decoder’s effort to find a Data Matrix symbol in
an image – HD field only.
Note: supported in firmware version 4008+
9 Radio Commands
The Host controls the radio by issuing ‘:’ commands. The following table describes the available
commands.
The ‘#’ column is the radio setting/command number (in hexadecimal) to be used with the ‘:’ command.
For example, “:%0E” gets the Bluetooth® device address.
The ‘# bytes’ column indicates how many bytes of data are required as arguments for the command.
Name
Disconnect
#
00
Comments
Terminate the current connection.
# bytes
0
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Name
Auto Connect
#
07
Clear Setup
08
Send Setup
09
Comments
If connection information exists for the specified
Device Address, use it to establish a connection.
Otherwise, attempt to establish a connection and
store the resulting information.
Remove connection information associated with the
specified Bluetooth® Address.
Print all connection information in the following
format
# bytes
6
6
0
iiii xxxxxxxxxxxx p
Get Bluetooth®
Address
Get “user
friendly” name
0E
0F
Where iiii is the storage index, xxxxxxxxxxxx is
the Bluetooth® Device Address, and p indicates
pairing enabled (y) or pairing disabled (n).
Get Bluetooth® address as 12 Hexadecimal
characters
Get device’s “user friendly” name
0
0
10 Code Reader Batch (CRB) System
The Code Reader Batch (CRB) system is a convenient method for creating and maintaining a set of
commands that can be easily sent to the Reader. These CRB files can be created in any text editor with
the file extension of .crb. The CRB system accepts all of the valid text commands. The most commonly
used commands are J, N, P, and ~. There should be one command per line. The CRB file may contain
empty lines and comments as well.
The .crb files can be sent to the Reader using either the USB or RS232 downloader’s. As CRB files are
just a list of text commands, they can also be sent by a serial terminal program. Note: if using a serial
terminal program the Reader will first need to be commanded in to “text command mode”; see
Section 6.1.
You can request a copy of all the CR2 User Manual configuration codes in the .crb format. For example,
code M121_01 in the manual (setting the Bluetooth® radio timeout to 5 minutes) is the following:
File M121_01.crb:
P%9f#300
The CRB system allows for combining multiple functions into a single file. For example, you can create
a test.crb file that contains commands to set the left trigger to B3 (M030_01), enable ALL RSS codes
(M267_01), disable auto-transfer of buffer memory (M069_01), and make the Reader beep three times.
Note you can also comment your CRB file with a semicolon (;) as shown below. A comment starts with
a semicolon character and lasts till the end of the line. The ;>PAx sequence has special meaning. See
Section 6.1.
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File test.crb:
; This is a test file
;>PA7
; enable text commands, no echo/responses (see Section 8, reg 41)
P%3A13
; left trigger set to B3 performance (note that value 13 is in hex)
P%4c#31
; enable ALL RSS codes (note that value 31 is in decimal)
P%730
; disable Auto Transfer Buffer Memory
; beep Reader three times using a different type of sound
P%59#30
; set Beep/Vibration Duration to 30 milliseconds
P%26#60
; set Beep/Vibrate Volume to 60%
#%03
; beep Reader 3 times
P%59#100
; restore Beep/Vibration Duration to 100 milliseconds
P%26#100
; restore Beep/Vibrate Volume to 100%
P(100)#6000 ; sets the backlight timeout to 6 seconds (6s is in decimal)
P(101)55
; dimmers setting (LCD screed) to 85% (55 hex)
~
; save settings (except communication-related settings)
PA8
; turn off text commands (to avoid inadvertent commanding)
Non-printable ASCII (0x00-0x1F and 0x7F) and non-ASCII (0x80-0xFF) characters should be encoded.
See Section 6.1. Also, the following characters have special meaning in a CRB file, thus they should be
encoded if they are part of a command:
0x20 ‘ ’ (space):
Space and tab characters mark the end of a command.
0x3B ‘;’ (semicolon): Semicolon characters mark the beginning of a comment.
11 Symbology Detail Settings
11.1 PharmaCode
PharmaCode setting register (f8) contains a number of settings that requires detailed explanation. Below
is a list of valid register settings and detailed explanation.
0 = disable PharmaCode decoding (Default)
1 = enable PharmaCode decoding, no color bars expected; standard rules for all bars. Horizontally
oriented symbols are decoded. Note that horizontally oriented means that the bars are perpendicular to
the orientation of the pixel raster scan line. Decoding is performed in the “normal” direction (left bars
more significant than right bars for horizontal symbols; top bars more significant than bottom bars for
vertical symbols).
3 = enable PharmaCode decoding, Color bars expected; relaxed contrast rules for the three least
significant bars. Horizontally oriented symbols are decoded. Note that horizontally oriented means that
the bars are perpendicular to the orientation of the pixel raster scan line. Decoding is performed in the
“normal” direction (left bars more significant than right bars for horizontal symbols; top bars more
significant than bottom bars for vertical symbols).
5 = enable PharmaCode decoding, no color bars expected; standard rules for all bars. Vertically oriented
symbols are decoded. Note that vertically oriented means that the bars are parallel to the orientation of
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the pixel raster scan line. Decoding is performed in the “normal” direction (left bars more significant
than right bars for horizontal symbols; top bars more significant than bottom bars for vertical symbols).
7 = enable PharmaCode decoding, Color bars expected; relaxed contrast rules for the three least
significant bars. Vertically oriented symbols are decoded. Note that vertically oriented means that the
bars are parallel to the orientation of the pixel raster scan line. Decoding is performed in the “normal”
direction (left bars more significant than right bars for horizontal symbols; top bars more significant than
bottom bars for vertical symbols).
9 = enable PharmaCode decoding, no color bars expected; standard rules for all bars. Horizontally
oriented symbols are decoded. Note that horizontally oriented means that the bars are perpendicular to
the orientation of the pixel raster scan line. Decoding is performed in the “reverse” direction (right bars
more significant than left bars for horizontal symbols; bottom bars more significant than top bars for
vertical symbols).
11 = enable PharmaCode decoding, Color bars expected; relaxed contrast rules for the three least
significant bars. Horizontally oriented symbols are decoded. Note that horizontally oriented means that
the bars are perpendicular to the orientation of the pixel raster scan line. Decoding is performed in the
“reverse” direction (right bars more significant than left bars for horizontal symbols; bottom bars more
significant than top bars for vertical symbols).
13 = enable PharmaCode decoding, no color bars expected; standard rules for all bars. Vertically
oriented symbols are decoded. Note that vertically oriented means that the bars are parallel to the
orientation of the pixel raster scan line. Decoding is performed in the “reverse” direction (right bars
more significant than left bars for horizontal symbols; bottom bars more significant than top bars for
vertical symbols).
15 = enable PharmaCode decoding, Color bars expected; relaxed contrast rules for the three least
significant bars. Vertically oriented symbols are decoded. Note that vertically oriented means that the
bars are parallel to the orientation of the pixel raster scan line. Decoding is performed in the “reverse”
direction (right bars more significant than left bars for horizontal symbols; bottom bars more significant
than top bars for vertical symbols).
12 OCR Template
12.1 OCR Introduction
OCR is designed to encompass both human readable and machine readable information in the same
symbol or text. Conversely, bar codes were designed to greatly assist the ability of machines to read
information at the expense of human readability. In OCR, there is little redundant information in a
character; most of an OCR character must be present to allow recognition. There are subtle differences
between some OCR characters that are easy for a human to distinguish, but present challenges to
machine vision systems in the presence of lower sample density, noisy images, and/or degraded
symbols.
While much effort has been spent to provide a superior OCR capability, users should be cautioned that
OCR decoders are more susceptible to misreads and noreads than their bar code counterparts.
Consequently, The OCR decoder reads OCR only when it is provided with templates detailing the
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specifics of the text to read. This allows the software to distinguish the text of interest from random text
that may be present in the same image. In addition, the OCR decoder supports a checksum capability to
reduce the probability of misreads.
Multiple templates may be active at the same time for more user flexibility.
12.2 OCR Overview
The following OCR characters are currently supported:
OCR-A:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
0123456789
#$&()*+-./<>@\€£¥
OCR-B:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
0123456789
#$&()*+-./<>@\€£¥
The templates define the OCR font as well as the layout of the text in a row, column format. Each row
can have up to 50 chars, with up to 18 rows in a template. However, the total number of characters can
not exceed 320 characters. Within each character position, the allowable characters can be specified
either through explicit ASCII values, groups of ASCII values, wildcard characters, or combinations of
these types. To achieve better OCR results, it is desirable to limit the values that a character position can
take to the known values that will occur in an application.
The OCR decoder can also handle spaces within OCR text with some restrictions. Internal gaps longer
than one space are not allowed in templates. For example, the OCR-A text
ONE SPACE
is valid because there is only one space between the E and S in the text. However, the following text is
illegal given the two spaces between the O and S:
TWO
SPACES
The OCR decoder can handle arbitrary number of spaces at the beginning and end of a line. These
spaces must be explicitly included in the template with the ASCII value of a space (32) and not be
included as part of a group or wildcard character.
The OCR decoder also provides a checksum capability to reduce the probability of misreads. There are
two types of checksums provided: row and block. A row checksum provides a checksum for all
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characters from the checksum to the first character of a single row in a template. A block checksum
provides a checksum from its character position all the way to the first character of the overall template.
For additional checksum protection, four different weighting schemes are supported: 1, 12, 13, and 137.
Finally, the checksum calculation is based on modulo arithmetic. The modulo factor may vary from 6 to
36.
The OCR decoder is designed to read OCR text that is within a certain sampled range in pixels. The
ideal height of an OCR character after sampling is about 20 pixels. The OCR decoder will read
characters that are up to 50 pixels in height. If OCR characters are consistently above 40 pixels in
height, down sampling the image by a factor of 2 before submitting it to OCR decoder will achieve
better results in both speed and decode rates.
12.3 OCR Output String Values
There is no 7 bit ASCII representation for the Euro, Pound, or Yen currency characters. The 8 bit values
that are returned in the result string for these characters are based on the typical code page values used in
Windows. The 8 bit codes used are as follows:
Character Value
€ - Euro 128
£ - Pound 163
¥ - Yen 165
12.4 OCR User Templates
User Templates are NULL terminated strings made up of various control codes along with standard
ASCII values. The control codes are assigned to ASCII values below the value of 32. The currently
defined control codes are:
Control Code Definition
End of Template
New Template
New Line
Define Group Start
Define Group End
Wildcard: Numeric (0-9)
Wildcard: Alpha (A-Z)
Wildcard: Alphanumeric
Wildcard: Any (including space)
Defined Group
In Line Group Start
In Line Group End
Value
0
1
2
3
4
5
6
7
8
10
11
12
Checksum
13
Argument
Font [1-3]
ID [1-255]
ID [1-255]
Weights, Type,
MOD
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12.4.1
End of Template (0)
All templates end with the End of Template control code.
12.4.2
New Template (1)
A user template may contain multiple distinct templates all within the same string. These distinct
templates all begin with the New Template control code. The value immediately following this control
code indicates the font(s) for which this template is designed. The current valid font values are
Font Value Active Fonts:
1 OCR-A
2 OCR-B
3 OCR-A and OCR-B
As an example, the following byte sequence reads 8 alphanumeric digits in either OCR-A or OCR-B and
is the default user template:
1,3,7,7,7,7,7,7,7,7,0
12.4.3
New Line (2)
The OCR decoder supports multiline templates. A new line within a multiline template is indicated by
the New Line control code.
12.4.4
Define Group Start (3)
In a given character position, the user specifies which values a text character may take. To reduce the
overall size of templates, users may define common groups of ASCII characters and then use the defined
group rather than repeating the same sequence over and over. Groups can be made up of individual
ASCII values or wildcard values. The wildcard values are control codes Numeric (5), Alpha (6),
Alphanumeric (7), and Any(8). Groups may not be nested.
To define a group, specify the Group Start control code followed by a single byte ID value that may
range from 1 to 255. Up to 255 groups may be defined in a single template. Once a group is defined, you
may not define another group with the same group ID. Following its definition, a group may be used in
any subsequent individual template.
For example, say we want to read an 8 character OCR-B text where each character may be a
hexadecimal digit (0123456789ABCDEF). We can define a group that would begin the definition with
the Group Start control code (3), followed by its ID (1), followed by the Numeric wildcard (5),
followed by the ASCII values of the six desired letters. Finally all group definitions are terminated with
the Group End control code (4):
1,2,3,1,5,65,66,67,68,69,70,4,10,1,10,1,10,1,10,1,10,1,10,1,10,1,10,1,0
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The sequence of numbers of 65 through 70 are the decimal ASCII values for the upper case letters A
through F. To use the defined group, we use the Defined Group (10) control code followed by the group
ID. Each sequence of 10,1 above occupies a single character position in the OCR text to be read. The
remainder of the example above include the Template Start (1) control code at the beginning followed
by the OCR-B font designator (2). Finally, the template is ended with the End of Template (0) control
code.
12.4.5
Define Group End (4)
The Define Group End control code is used to terminate a Defined Group. A Define Group End must
always be preceded by a Define Group Start and conversely, a Define Group Start must always be
followed by a Define Group End.
12.4.6
Wildcard: Numeric (5)
The Numeric Wildcard control code may be used anywhere a single ASCII character code may be used
and indicates that the current text character can be any of the 10 numeric digits.
12.4.7
Wildcard: Alpha (6)
The Alpha Wildcard control code may be used anywhere a single ASCII character code may be used
and indicates that the current text character can be any of the 26 upper case alphabetic letters.
12.4.8
Wildcard: Alphanumeric (7)
The Alphanumeric Wildcard control code may be used anywhere a single ASCII character code may be
used and indicates that the current text character can be any of the 26 upper case alphabetic letters or any
of the 10 numeric digits.
12.4.9
Wildcard: Any (8)
The Any Wildcard control code may be used anywhere a single ASCII character code may be used and
indicates that the current text character can be any valid character that the designated font for this
template supports. For OCR-A and OCR-B this includes the 26 upper case letters, the 10 numeric digits,
and the 16 punctuation characters. It includes the space character as well.
12.4.10
Defined Group (10)
The Defined Group control code uses a previously defined group. The byte immediately following the
Defined Group control code must match a previously defined group. This group occupies one character
position in the template.
12.4.11
In Line Group Start (11)
The In Line Group Start defines a one time instance of a group that occupies one character position in
the template. Use this control code for unique groups of characters that occur only once. One could use a
Define Group Start control code instead. The inclusion of both types is done for the convenience of the
user.
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The In Line Group must always be ended with an In Line Group End control code.
12.4.12
In Line Group End (12)
The In Line Group End control code is used to terminate an active In Line Group definition.
12.4.13
Checksum (13)
Checksums may be used to reduce the probability of misreads involving OCR. The OCR decoder
supports a number of options associated with checksums. The user may specify the type (block or row),
the weight scheme (1, 12, 13, 137) and the modulo value of the checksum (6-36). The byte immediately
following the Checksum control code defines the type of checksum that will be used:
Bit Position(s)
7,6: Weight Scheme
5: Checksum Type
4-0: Modulo Value
Meaning
00: Weight Scheme: 1
01: Weight Scheme: 12
10: Weight Scheme: 13
11: Weight Scheme:
137
0: Row
1: Block
Checksum Modulo - 5
Row Checksums perform a checksum calculation on all characters preceding them up to the first char on
the same row. Block Checksums perform a checksum calculation on all characters up to the very first
character in the template; they span multiple rows.
The 5 bit Modulo Value stores the Checksum Modulo – 5. The stored number may range from 1, which
is a Checksum Modulo value of 6, to 31, which describes a Checksum Modulo of 36. A Modulo value
of 0 (Checksum Modulo of 5) is illegal.
The characters within a checksum field have a numerical value that is used in the checksum calculation.
Digits are converted to their numerical value (0-9), while Upper case letters range from 10 for an ‘A’ up
to 36 for a ‘Z’. All punctuation characters currently have a value of 0 for checksum purposes. However,
they do count as a spot for determining the weight values that will be used in calculating the checksum.
The Weight Scheme defines how the values described above can be changed based on their character
position. The default weight scheme is 1. This means that the checksum is based only on the character
value and is not dependent on its position. The other weight schemes multiply the character value by a
repetitive weight value that helps in identifying characters that have had their column locations
switched. The 4 weight schemes are:
Weight Scheme Multiplier values
1
12
1,1,1,1,1,….
1,2,1,2,1,2,….
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13
137
1,3,1,3,1,3,….
1,3,7,1,3,7,1,3,7,….
The checksum character itself always start with a weight of 1. As we move away from the checksum
towards the left, we update the weight value to the next member of the sequence. The sequences repeat
over and over until the first character in a row for a Row type checksum, and to the first character in the
template for a Block type checksum. The resulting sum is then divided by the Checksum Modulo
number of the checksum and the remainder of this division should be zero for a valid checksum.
For example, the following 2 line OCR-B template contains a mod 10 checksum with weight 1 (5) at the
end of each line along with a mod 36 block checksum with weight 13 (191) as the last character. There
are a total of 8 alphanumeric characters per line including the checksums:
1,2,7,7,7,7,7,7,7,13,5,2,7,7,7,7,7,7,13,5,13,191,0
12.4.14
Example OCR User Templates
This section gives some examples of valid OCR User Templates along with the OCR text they are
designed to read.
12.4.14.1 Multi_Row with Leading and Trailing Spaces
123456
ABCDEFG
The OCR-B text above is made up of two lines, the top being purely numeric and the bottom purely
alphabetic. Also, the second line is offset from the first by two spaces. The following template will read
this text:
1,2,5,5,5,5,5,5,2,32,32,6,6,6,6,6,6,6,0
Note the 2 following the 6 numeric wild card digits: this indicates that the template is inserting a new
line. Also of note are the leading two spaces on the second line. They must be explicitly indicated by
using the ASCII value of a space: decimal value 32. You may not use a wildcard or group to indicate
leading (or trailing) space. Finally, the trailing spaces on line 1 do not need to be explicitly entered into
the template. They are assumed to be there based on the number of character positions defined for the
row.
12.4.14.2 Row and Block Checksums
ABCD6
EFG5X
The two lines of OCR-B alphabetic text above both contain a row checksum. In addition, the last
character of row 2 is a block checksum. The 2 row checksums are mod 10 with a 13 weight (control
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code 133), while the block checksum is a mod 36 with a 137 weight (control code 255). The following
template will read this text:
1,2,6,6,6,6,13,133,2,6,6,6,13,133,13,255,0
The top line checksum is the 6 at the end of the line. While this example shows the checksum at the end
of the line, it may appear anywhere on the line and then protects all the characters to its left. The
following sum is generated to verify a proper checksum on line 1:
‘6’ ‘D’ ‘C’ ‘B’ ‘A’
(1x6)+(3x13)+(1x12)+(3x11)+(1x10) = 100
Note the 13 weight scheme starting with a 1 on the checksum digit, and then alternating between a 1 and
3 for all digits to the left of the checksum up to the first character on the line. The numerical values of
the alphabetic characters range from 10 for an ‘A’ up to a 36 for a ‘Z’. The sum of 100 is a multiple of
10, so the mod 10 checksum here has passed.
On line 2, the row checksum is the 5 following the G. Verifying its line by generating its sum:
’5’ ‘G’ ‘F’ ‘E’
(1x5)+(3x16)+(1x15)+(3x14) = 110
Again, we have obtained a value that is a multiple of 10, validating this row checksum.
The X at the end of the line is a mod 36 block checksum with 137 weighting. It protects all the
characters in the template, including the first line. Calculating its sum working backwards from the
block checksum and using the 137 weighting scheme:
‘X’ ‘5’ ‘G’ ‘F’ ‘E’ ‘6’ ‘D’ ‘C’ ‘B’ ‘A’
(1x34)+(3x5)+(7x16)+(1x15)+(3x14)+(7x6)+(1x13)+(3x12)+(7x11)+(1x
10) = 396
The resulting sum is a multiple of 36, so the block checksum has been validated.
12.4.14.3 Multiple Individual Templates
A single template may contain multiple individual templates. For example consider the following two
distinct OCR text strings that are to be read with the same template:
A1234 B5678
The first string is in OCR-A font while the second is OCR-B. Assume that the ‘A’ and ’B’ are always
present as the first character of the two strings and that the 4 numeric characters may be any digits. A
user may code these up as two distinct templates with the following:
1,1,65,5,5,5,5,1,2,66,5,5,5,5,0
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Notice the multiple use of the New Template control code (1) to separate the two individual templates
along with the Font ID of 1 for the first OCR-A string and the 2 for the OCR-B string. In addition, the
decimal values of 65 and 66 are the ASCII codes of the upper case letters A and B, respectively, and
indicate that those character positions will always have those values.
12.5 OCR Internal Templates
The OCR decoder currently supports three internal templates: Passport, ISBN, and Price Field.
12.5.1
Passport Internal Template
This template may be used to read Passports based on the ICAO standard. There are two rows of 44
OCRB characters that make up the machine readable portion of a Passport. Each row is read separately
and only one row may be issued if there is a problem decoding one of the rows. If there are multiple
Passports in the image, The OCR decoder will attempt to read all of the Passports, but consecutive reads
are not necessarily associated with the same Passport. Note that when the Passport Internal Template is
enabled, all other templates MUST be disabled. The OCR decoder verifies all the various checksums
that are built within the lower machine readable line. The output string provided by The OCR decoder is
exactly as it is printed on the Passport page. Parsing the data to extract the various fields within it is the
responsibility of the user.
The following is an example of OCR-B text of a valid Passport:
P<UTOERIKSSON< < ANNA<MARIA< < < < < < < < < < < < < < < < < < <
L898902C<3UTO6908061F9406236ZE184226B< < < < < 14
One factor complicating the reading of Passport data is the varied backgrounds that exist behind the
OCR data. For example, at the time this document was issued, the United States Passport has a variety
of colored background patterns that can interfere with OCR decoding when the passport is illuminated
with visible light. However, if the US Passport is illuminated with Infra-Red (IR) illumination, the
background patterns are reduced and contrast with the OCR text is enhanced. In the absence of IR
illumination, over exposure of the target such that the background is saturated while keeping the text
black can help.
12.5.2
ISBN Internal Template
This template is used to read the International Standard Book Number (ISBN) number in machine
readable form. It will read the ISBN in either OCR-A or OCR-B fonts. The current ISBN format is as
follows:
ISBN 0-8436-1072-7
It consists of the 4 letters ISBN followed by 13 characters that are made up of hyphen separated fields.
The hyphen placement varies depending on the numerical value of the encoded data. The last digit is a
Mod 11 checksum which can be any of the 10 numerical digits or an ‘X’. All ISBN issued results are
checked for a valid checksum. The space between the N in the ISBN string may not be present. The
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OCR decoder supports either format. Also, according to the ISBN specification, the hyphens in the
ISBN string may be replaced by spaces. The OCR decoder supports this format as well.
There is a new ISBN format that will be in effect as of January 1, 2007. It adds an additional 4
characters to the original ISBN number:
ISBN 978-0-571-08989-5
The ISBN template supports this format along with the original. All the comments associated with the
original ISBN format discussed above apply here as well. The one exception it the checksum is now a
Mod 10 checksum and as a result, the checksum can now only be in the range from 0 – 9 and does not
take the value ‘X’ anymore.
12.5.3
Price Field Internal Template
The Price Field is used in a number of applications including book pricing. The format of the field is as
follows:
C1234 P5678E
The field begins with a ‘C’ and ends with an ‘E’. The first part of the Price Field is a ‘C’ followed by
four numeric digits. The second half begins with a currency character. The above example shows the
letter ‘P’ but the Price Field template allows the following additional characters:
$€£¥
Following the currency character, a numeric grouping of 3, 4, 5 or 6 digits is followed by a terminating
letter ‘E’. The template supports both OCR-A and OCR-B fonts.
The following examples will also be recognized by the OCR decoder Price Field internal template:
C6712
C0217
C0823
C0331
$801E
€4399E
¥31559E
£706213E
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13 Appendix: B-String Settings
B%0d%01X%1d%02P%640%04%01X%1d%02P%920%04%01X%1d%02P%951%04%01X%1d%02
P%a3177%04%01X%1d%02P%a5177%04%01X%1d%02P%b5177%04%01X%1d%02P%b60%04%0
1X%1d%02P%28122)0%04%01X%1d%02P%54#1024%04%01X%1d%02P%53#640%04%01X%1d
%02P%c8#1024%04%01X%1d%02P%c7#640%04%01X%1d%02P%5c1%04%01X%1d%02P%5d#12
%04%01X%1d%02P%7b#24%04%01X%1d%02P%a8#25%04%01X%1d%02P%5a#10%04%01X%1d
%02P%5b#50%04%01X%1d%02P%7c#90%04%01X%1d%02P%a9#95%04%01X%1d%02P%aa120
%04%01X%1d%02P%dc#256%04%01X%1d%02P%e20%04%01X%1d%02$%03
B%0e%01X%1d%02P%640%04%01X%1d%02P%920%04%01X%1d%02P%951%04%01X%1d%02
P%a3177%04%01X%1d%02P%a5177%04%01X%1d%02P%b5177%04%01X%1d%02P%b60%04%0
1X%1d%02P%28122)0%04%01X%1d%02P%54#832%04%01X%1d%02P%53#640%04%01X%1d%
02P%c8#1024%04%01X%1d%02P%c7#640%04%01X%1d%02P%5c1%04%01X%1d%02P%5d#12%
04%01X%1d%02P%7b#24%04%01X%1d%02P%a8#25%04%01X%1d%02P%5a#10%04%01X%1d%
02P%5b#50%04%01X%1d%02P%7c#90%04%01X%1d%02P%a9#95%04%01X%1d%02P%aa100%0
4%01X%1d%02P%dc#256%04%01X%1d%02P%e20%04%01X%1d%02$%03
B%0f%01X%1d%02P%640%04%01X%1d%02P%920%04%01X%1d%02P%951%04%01X%1d%02P
%a3177%04%01X%1d%02P%a5177%04%01X%1d%02P%b5177%04%01X%1d%02P%b60%04%01
X%1d%02P%28122)0%04%01X%1d%02P%54#480%04%01X%1d%02P%53#480%04%01X%1d%0
2P%c8#640%04%01X%1d%02P%c7#480%04%01X%1d%02P%5c1%04%01X%1d%02P%5d#12%04
%01X%1d%02P%7b#24%04%01X%1d%02P%a8#25%04%01X%1d%02P%5a#10%04%01X%1d%02
P%5b#50%04%01X%1d%02P%7c#90%04%01X%1d%02P%a9#95%04%01X%1d%02P%aa60%04%
01X%1d%02P%dc#256%04%01X%1d%02P%e20%04%01X%1d%02$%03
B%11%01X%1d%02P%640%04%01X%1d%02P%920%04%01X%1d%02P%951%04%01X%1d%02
P%a3177%04%01X%1d%02P%a5177%04%01X%1d%02P%b5177%04%01X%1d%02P%b60%04%0
1X%1d%02P%28122)0%04%01X%1d%02P%54#1024%04%01X%1d%02P%53#640%04%01X%1d
%02P%c8#1024%04%01X%1d%02P%c7#640%04%01X%1d%02P%5c1%04%01X%1d%02P%5d#12
%04%01X%1d%02P%7b#24%04%01X%1d%02P%a8#25%04%01X%1d%02P%5a#10%04%01X%1d
%02P%5b#50%04%01X%1d%02P%7c#90%04%01X%1d%02P%a9#95%04%01X%1d%02P%aa90%
04%01X%1d%02P%dc#256%04%01X%1d%02P%e20%04%01X%1d%02$%03
B%12%01X%1d%02P%640%04%01X%1d%02P%920%04%01X%1d%02P%951%04%01X%1d%02
P%a3177%04%01X%1d%02P%a5177%04%01X%1d%02P%b5177%04%01X%1d%02P%b60%04%0
1X%1d%02P%28122)0%04%01X%1d%02P%54#640%04%01X%1d%02P%53#512%04%01X%1d%
02P%c8#832%04%01X%1d%02P%c7#640%04%01X%1d%02P%5c1%04%01X%1d%02P%5d#12%0
4%01X%1d%02P%7b#24%04%01X%1d%02P%a8#25%04%01X%1d%02P%5a#10%04%01X%1d%0
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2P%5b#50%04%01X%1d%02P%7c#90%04%01X%1d%02P%a9#95%04%01X%1d%02P%aa75%04
%01X%1d%02P%dc#256%04%01X%1d%02P%e20%04%01X%1d%02$%03
B%13%01X%1d%02P%640%04%01X%1d%02P%920%04%01X%1d%02P%951%04%01X%1d%02
P%a3177%04%01X%1d%02P%a5177%04%01X%1d%02P%b5177%04%01X%1d%02P%b60%04%0
1X%1d%02P%28122)0%04%01X%1d%02P%f2#480%04%01X%1d%02P%f1#320%04%01X%1d%0
2P%f4#480%04%01X%1d%02P%f3#320%04%01X%1d%02P%5c1%04%01X%1d%02P%5d#12%04
%01X%1d%02P%7b#24%04%01X%1d%02P%a8#25%04%01X%1d%02P%5a#10%04%01X%1d%02
P%5b#50%04%01X%1d%02P%7c#90%04%01X%1d%02P%a9#95%04%01X%1d%02P%aa50%04%
01X%1d%02P%dc#90%04%01X%1d%02P%e20%04%01X%1d%02$%03
B%14%01X%1d%02P%640%04%01X%1d%02P%920%04%01X%1d%02P%951%04%01X%1d%02
P%a3177%04%01X%1d%02P%a5177%04%01X%1d%02P%b5177%04%01X%1d%02P%b60%04%0
1X%1d%02P%28122)0%04%01X%1d%02P%54#1024%04%01X%1d%02P%53#640%04%01X%1d
%02P%c8#1024%04%01X%1d%02P%c7#640%04%01X%1d%02P%5c1%04%01X%1d%02P%5d#12
%04%01X%1d%02P%7b#24%04%01X%1d%02P%a8#25%04%01X%1d%02P%5a#10%04%01X%1d
%02P%5b#50%04%01X%1d%02P%7c#90%04%01X%1d%02P%a9#95%04%01X%1d%02P%aa90%
04%01X%1d%02P%dc#256%04%01X%1d%02P%e20%04%01X%1d%02$%05
B%15%01X%1d%02P%640%04%01X%1d%02P%920%04%01X%1d%02P%951%04%01X%1d%02
P%a3177%04%01X%1d%02P%a5177%04%01X%1d%02P%b5177%04%01X%1d%02P%b60%04%0
1X%1d%02P%28122)0%04%01X%1d%02P%54#640%04%01X%1d%02P%53#640%04%01X%1d%
02P%c8#1024%04%01X%1d%02P%c7#640%04%01X%1d%02P%5c1%04%01X%1d%02P%5d#12%
04%01X%1d%02P%7b#24%04%01X%1d%02P%a8#25%04%01X%1d%02P%5a#10%04%01X%1d%
02P%5b#50%04%01X%1d%02P%7c#90%04%01X%1d%02P%a9#95%04%01X%1d%02P%aa80%04
%01X%1d%02P%dc#256%04%01X%1d%02P%e20%04%01X%1d%02$%05
B%16%01X%1d%02P%640%04%01X%1d%02P%920%04%01X%1d%02P%951%04%01X%1d%02
P%a3177%04%01X%1d%02P%a5177%04%01X%1d%02P%b5177%04%01X%1d%02P%b60%04%0
1X%1d%02P%28122)0%04%01X%1d%02P%f2#480%04%01X%1d%02P%f1#320%04%01X%1d%0
2P%f4#480%04%01X%1d%02P%f3#320%04%01X%1d%02P%5c1%04%01X%1d%02P%5d#12%04
%01X%1d%02P%7b#24%04%01X%1d%02P%a8#25%04%01X%1d%02P%5a#10%04%01X%1d%02
P%5b#50%04%01X%1d%02P%7c#90%04%01X%1d%02P%a9#95%04%01X%1d%02P%aa50%04%
01X%1d%02P%dc#90%04%01X%1d%02P%e20%04%01X%1d%02$%05
B%17%01X%1d%02P%640%04%01X%1d%02P%920%04%01X%1d%02P%951%04%01X%1d%02
P%a3177%04%01X%1d%02P%a5177%04%01X%1d%02P%b5177%04%01X%1d%02P%b60%04%0
1X%1d%02P%28122)0%04%01X%1d%02P%54#1024%04%01X%1d%02P%53#640%04%01X%1d
%02P%c8#1024%04%01X%1d%02P%c7#640%04%01X%1d%02P%5c1%04%01X%1d%02P%5d#12
%04%01X%1d%02P%7b#24%04%01X%1d%02P%a8#25%04%01X%1d%02P%5a#30%04%01X%1d
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%02P%5b#50%04%01X%1d%02P%7c#90%04%01X%1d%02P%a9#95%04%01X%1d%02P%aa90%
04%01X%1d%02P%dc#256%04%01X%1d%02P%e20%04%01X%1d%02$%06
B%18%01X%1d%02P%640%04%01X%1d%02P%920%04%01X%1d%02P%951%04%01X%1d%02
P%a3177%04%01X%1d%02P%a5177%04%01X%1d%02P%b5177%04%01X%1d%02P%b60%04%0
1X%1d%02P%28122)0%04%01X%1d%02P%54#1024%04%01X%1d%02P%53#640%04%01X%1d
%02P%c8#832%04%01X%1d%02P%c7#512%04%01X%1d%02P%5c1%04%01X%1d%02P%5d#12
%04%01X%1d%02P%7b#24%04%01X%1d%02P%a8#25%04%01X%1d%02P%5a#30%04%01X%1d
%02P%5b#50%04%01X%1d%02P%7c#90%04%01X%1d%02P%a9#95%04%01X%1d%02P%aa80%
04%01X%1d%02P%dc#256%04%01X%1d%02P%e20%04%01X%1d%02$%06
B%19%01X%1d%02P%640%04%01X%1d%02P%920%04%01X%1d%02P%951%04%01X%1d%02
P%a3177%04%01X%1d%02P%a5177%04%01X%1d%02P%b5177%04%01X%1d%02P%b60%04%0
1X%1d%02P%28122)0%04%01X%1d%02P%f2#480%04%01X%1d%02P%f1#320%04%01X%1d%0
2P%f4#480%04%01X%1d%02P%f3#320%04%01X%1d%02P%5c1%04%01X%1d%02P%5d#12%04
%01X%1d%02P%7b#24%04%01X%1d%02P%a8#25%04%01X%1d%02P%5a#30%04%01X%1d%02
P%5b#50%04%01X%1d%02P%7c#90%04%01X%1d%02P%a9#95%04%01X%1d%02P%aa50%04%
01X%1d%02P%dc#90%04%01X%1d%02P%e20%04%01X%1d%02$%06
B%1c%01X%1d%02P%28122)0%04%01X%1d%02P%e20%04%01X%1d%02Q%64400000FF%04%
01X%1d%02$%03
B%1d%01X%1d%02P%28122)0%04%01X%1d%02P%e20%04%01X%1d%02Q%64400000FF%04%
01X%1d%02$%05
B%1e%01X%1d%02P%28122)0%04%01X%1d%02P%e20%04%01X%1d%02Q%64400000FF%04%
01X%1d%02$%06
B%1f%01X%1d%02P%28122)0%04%01X%1d%02P%e20%04%01X%1d%02Q%64400000FF%04%
01X%1d%02$%03
B%1f%01X%1d%02P%28122)0%04%01X%1d%02P%e20%04%01X%1d%02Q%64400000FF%04%
01X%1d%02$%03
B%20%01X%1d%02P%28122)0%04%01X%1d%02P%e20%04%01X%1d%02Q%64400000FF%04%
01X%1d%02$%05
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B%21%01X%1d%02P%28122)0%04%01X%1d%02P%e20%04%01X%1d%02Q%64400000FF%04%
01X%1d%02$%06
B%22%01X%1d%02P%28122)5f%04%01X%1d%02O%6440000000%04%01X%1d%02$%03
B%23%01X%1d%02P%28122)5f%04%01X%1d%02O%6440000000%04%01X%1d%02$%05
B%24%01X%1d%02P%28122)5f%04%01X%1d%02O%6440000000%04%01X%1d%02$%06
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© 2011 The Code Corporation • 14870 S. Pony Express Rd., Suite 200, Bluffdale, UT 84065 • (801) 495-2200 • FAX (801) 495-0280
14 Appendix: Example CRC16 C Code
/* crc16.h
*/
#ifndef
crc16_h
#define crc16_h
#include <stdint.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef uint16_t crc_t;
crc_t crc
( crc_t
initialCrc
, const unsigned char* bufPtr
, size_t
length
);
#ifdef __cplusplus
} // extern "C"
#endif
#endif
/* crc16.c
*/
#include <crc16.h>
crc_t
(
,
,
)
{
crc
crc_t
initialCrc
const unsigned char* p
size_t
n
enum
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{
crcBits = 16,
charBits = 8,
diffBits = crcBits - charBits
};
crc_t c = initialCrc;
#include "crc16tab.h"
while( n-- )
c = (c << charBits) ^ crcTab[( c >> diffBits ) ^ *p++];
return c;
}
/*eof*/
/* crc16tab.h
* crc16 table of partial remainders generated by
* mkcrctab.c with polynomial 1021.
* included only from within crc() function in file crc16.c
*/
static const
{
0x0000,
0x8108,
0x1231,
0x9339,
0x2462,
0xa56a,
0x3653,
0xb75b,
0x48c4,
0xc9cc,
0x5af5,
0xdbfd,
0x6ca6,
0xedae,
0x7e97,
0xff9f,
0x9188,
0x1080,
0x83b9,
0x02b1,
0xb5ea,
0x34e2,
0xa7db,
0x26d3,
crc_t crcTab[] =
0x1021,
0x9129,
0x0210,
0x8318,
0x3443,
0xb54b,
0x2672,
0xa77a,
0x58e5,
0xd9ed,
0x4ad4,
0xcbdc,
0x7c87,
0xfd8f,
0x6eb6,
0xefbe,
0x81a9,
0x00a1,
0x9398,
0x1290,
0xa5cb,
0x24c3,
0xb7fa,
0x36f2,
0x2042,
0xa14a,
0x3273,
0xb37b,
0x0420,
0x8528,
0x1611,
0x9719,
0x6886,
0xe98e,
0x7ab7,
0xfbbf,
0x4ce4,
0xcdec,
0x5ed5,
0xdfdd,
0xb1ca,
0x30c2,
0xa3fb,
0x22f3,
0x95a8,
0x14a0,
0x8799,
0x0691,
0x3063,
0xb16b,
0x2252,
0xa35a,
0x1401,
0x9509,
0x0630,
0x8738,
0x78a7,
0xf9af,
0x6a96,
0xeb9e,
0x5cc5,
0xddcd,
0x4ef4,
0xcffc,
0xa1eb,
0x20e3,
0xb3da,
0x32d2,
0x8589,
0x0481,
0x97b8,
0x16b0,
0x4084,
0xc18c,
0x52b5,
0xd3bd,
0x64e6,
0xe5ee,
0x76d7,
0xf7df,
0x0840,
0x8948,
0x1a71,
0x9b79,
0x2c22,
0xad2a,
0x3e13,
0xbf1b,
0xd10c,
0x5004,
0xc33d,
0x4235,
0xf56e,
0x7466,
0xe75f,
0x6657,
0x50a5,
0xd1ad,
0x4294,
0xc39c,
0x74c7,
0xf5cf,
0x66f6,
0xe7fe,
0x1861,
0x9969,
0x0a50,
0x8b58,
0x3c03,
0xbd0b,
0x2e32,
0xaf3a,
0xc12d,
0x4025,
0xd31c,
0x5214,
0xe54f,
0x6447,
0xf77e,
0x7676,
0x60c6,
0xe1ce,
0x72f7,
0xf3ff,
0x44a4,
0xc5ac,
0x5695,
0xd79d,
0x2802,
0xa90a,
0x3a33,
0xbb3b,
0x0c60,
0x8d68,
0x1e51,
0x9f59,
0xf14e,
0x7046,
0xe37f,
0x6277,
0xd52c,
0x5424,
0xc71d,
0x4615,
0x70e7,
0xf1ef,
0x62d6,
0xe3de,
0x5485,
0xd58d,
0x46b4,
0xc7bc,
0x3823,
0xb92b,
0x2a12,
0xab1a,
0x1c41,
0x9d49,
0x0e70,
0x8f78,
0xe16f,
0x6067,
0xf35e,
0x7256,
0xc50d,
0x4405,
0xd73c,
0x5634,
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0xd94c,
0x5844,
0xcb7d,
0x4a75,
0xfd2e,
0x7c26,
0xef1f,
0x6e17,
0xc96d,
0x4865,
0xdb5c,
0x5a54,
0xed0f,
0x6c07,
0xff3e,
0x7e36,
0xf90e,
0x7806,
0xeb3f,
0x6a37,
0xdd6c,
0x5c64,
0xcf5d,
0x4e55,
0xe92f,
0x6827,
0xfb1e,
0x7a16,
0xcd4d,
0x4c45,
0xdf7c,
0x5e74,
0x99c8,
0x18c0,
0x8bf9,
0x0af1,
0xbdaa,
0x3ca2,
0xaf9b,
0x2e93,
0x89e9,
0x08e1,
0x9bd8,
0x1ad0,
0xad8b,
0x2c83,
0xbfba,
0x3eb2,
0xb98a,
0x3882,
0xabbb,
0x2ab3,
0x9de8,
0x1ce0,
0x8fd9,
0x0ed1,
0xa9ab,
0x28a3,
0xbb9a,
0x3a92,
0x8dc9,
0x0cc1,
0x9ff8,
0x1ef0,
};
/*eof*/
------------------All technical information, specifications, costs, schedules, and all related materials quoted, expressed, or implied in this document are results of our
judgment at this point in time and are only estimates based upon the information available to us. We reserve the right to modify such information as we find
necessary based on client requests, available technology, and other eventualities.
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