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Hexadecimal Conversion Chart
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This appendix contains the hexadecimal conversion chart and
instructions for converting ASCII characters to hexadecial characters.
Hexadecimal Conversion Chart
Use the hexadecimal chart in this appendix to find the
hexadecimal equivalents to ASCII characters and control
characters. Use this chart to set preambles and postambles, and
to program your computer using serial commands.
To enter the hexadecimal equivalent for ASCII characters
1. Find the ASCII character within the table.
2. Locate the number at the top of the table, in bold, for the
column containing the character.
3. Scan the bar code for that number. This number must be
scanned first.
4. Locate the number or letter at the left of the table, in bold,
for the row containing the character.
5. Scan the bar code for that number or letter.
For example, the hexadecimal number for “Q” is 51, which is in
the column under 5 and in the row next to 1. To enter “Q” as a
character, scan the bar code for 5 and then 1.
To enter a digit less than ten, scan a zero first. For example, 01 is
30 and then 31.
Entering Control Codes
When programming from a host, you can generate the
characters listed in column 0 by pressing Ctrl and then the
character listed in column 4. For example, to create STX, press
Ctrl
and then B. You must always use a 4-character hex
representation for preambles and postambles even when
programming from a host terminal. For example, if you want a
two-character preamble, pad the preamble with two null
characters.