5-50 Chapter 5: Programming
Prefix Byte
The Prefix Byte parameter contains two selections: Disable and Enable. Scan the
Hex 0
tag to
disable the Prefix Byte, or the
Hex 1
tag to enable it.
ASCII Code
The ASCII Code parameter permits the specification of what ASCII code to use for the Prefix
Byte. Enter the selection by scanning the appropriate two Hex tags (shown in the
ASCII Code
Chart
in
Programming
chapter). Any value from 01 through 0F can be selected; however, the
recommendation is to use the Start Of Text (STX) ASCII Code which is 02 Hex. Scan the two
appropriate Hex tags (
Hex 0
through
Hex 7
for the first character and
Hex 0
through
Hex F
for
the second).
Note:
ASCII Code parameter for the RS-232 Terminator Byte has the same function.
RS-232 Terminator Byte
25786
Terminator Byte 1
A
ASCII Code
B
0
Disable
1
Enable
0 - 7
Hex Character
(ASCII Code Chart)
0 - F
Hex Character
(ASCII Code Chart)
0
Default
3
Your Program
Terminator
Byte 1
A
RS-232
Terminator Byte
2
3
ASCII Code
B
NOTE:
Terminator Byte 1 is required on a
scale unit. If you select
Disable
, it is ignored and an
ETX (03) is sent.
Terminator Byte 2
C
ASCII Code
0
Disable
1
Enable
0 - 7
Hex Character
(ASCII Code Chart)
0 - F
Hex Character
(ASCII Code Chart)
Terminator
Byte 2
C
ASCII Code
0
Default
3
NOTE:
Terminator Byte 2 is a
direct entry only.
The RS-232 Terminator Byte programming mode controls the use of terminator bytes. If an
RS-232 Terminator Byte is used, it goes at the end of the message sent to the host terminal. If a
BCC is included, it follows the Terminator Byte and includes the Terminator Byte in the
calculation. Refer to the “Parameter Defaults” section earlier in this chapter for the factory
defined default value of each programming parameter.
Содержание RealPOS
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Страница 165: ...Appendix B NCR Scanner Programming Tags Scanner Programming Tags BST0 2121 74 Release O 27064 B...
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