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FB Example: Remove spaces in bar code data
This example shows a bar code that has spaces in the data. You may
want to remove the spaces before sending the data. Using the bar
code above:
Command string: FB0120F10D
FB is the “Suppress characters” command
01 is the number of character types to be suppressed
20 is the hex value for a space
F1 is the “Send all characters” command
0D is the hex value for a CR
The data is output as: 34567890
<CR>
Stop suppressing characters
FC Disables suppress filter and clear all suppressed characters. Syntax =
FC.
Replace characters
E4 Replaces up to 15 characters in the output message, without moving
the cursor. Replacement continues until the E5 command is
encountered. Syntax = E4nnxx
1
xx
2
yy
1
yy
2
...zz
1
zz
2
where nn is the total
count of of the number of characters in the list (characters to be
replaced plus replacement characters); xx
1
defines characters to be
replaced and xx
2
defines replacement characters, continuing through
zz
1
and zz
2
.
E4 Example: Replace zeroes with CRs in bar code data
If the bar code has characters that the host application does not want
included, you can use the E4 command to replace those characters
with something else. In this example, you will replace the zeroes in the
bar code above with carriage returns.
Command string: E402300DF10D
E4 is the “Replace characters” command
02 is the total count of characters to be replaced, plus the replacement
characters (0 is replaced by CR, so total characters = 2)
30 is the hex value for 0
0D is the hex value for a CR (the character that will replace the 0)