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Chapter 7: Programming 7-11
parameter options, you have to re-enter the Specific
Programming Mode by scanning the two Hex tags again.
The following figure shows how to proceed through a Specific
Programming Mode where you change only one of the
parameters. This figure presents the specific programming
mode for Bar Codes 2 program parameters. Notice that once
you have entered the Specific Programming Mode, if you scan
the Hex A, Hex B, Hex C, Hex D, Hex E, or Hex F tag, you can
enter the specific parameters that correspond to that tag. After
you record the parameters, the scanner immediately returns to
the Base Programming State. To return to programming, you
scan the Hex 1 and Hex 4 tags again and re-enter the Specific
Programming Mode. From this point, you can enter either all
parameters or another specific parameter.
11723
BASE PROGRAMMING STATE
41
Code 39
Bar Codes - 2
Full ASCII
Minimum
Characters
Allowed
Check Digit
Present
Transmit
Check Digit
A
B
C
D
E
10
Disable Enable
01
Disable Enable
10
Disable Enable
2- F
01
Disable Enable
Allow Single
Character
Tags
F
01
Disable Enable
For example:
Full ASCII is programmed by scanning, in
sequence, the Hex 1, Hex 4, Hex C, and
Hex 1 tags. The other parameters are left
in original state.
5.
Repeat step 3 and step 4 until all parameters are entered.
6.
Scan the Save and Reset tag. All parameter changes are saved and
NCR 7870 is reset (goes through initial power-up sequence). The
NCR 7870 now operates using the new program.