Intermec MicroBar 9710 User Manual page 58

If you configure the reader for:
The output from the two bar code examples are the
character in the bar code: $%+A and /D/E+A, respectively. Use this
configuration if you do not want the reader to evaluate any valid full
ASCII character pairs.
The first bar code example will not decode because each
character (with the exception of upper case letters and numbers)
must be encoded with the appropriate full ASCII character pair. The
second bar code example will output $%a.
Use this configuration if you want the reader to:
with full ASCII evaluate bar codes character pairs, and
read only bar codes encoded with full ASCII character pairs (as
in the second example).
The reader evaluates both of the bar code examples
as $%a. Use this configuration if you want the reader to:
evaluate bar codes with full ASCII character pairs, and
read bar codes regardless of how the bar code is encoded.
Note: If you want the reader to evaluate bar codes differently than the non-
full ASCII configuration, mixed full ASCII is the most common choice.
Note: If you cannot determine how your bar codes are printed, configure the
reader for mixed full ASCII. Mixed full ASCII decodes all Code 39 bar
codes.
Note: If you are scanning bar codes on the Code 39 full ASCII chart and the
workstation monitor displays incorrect characters (for example, +A instead
of a), the reader is configured for Code 39 non-full ASCII. Configure the
reader for Code 39 full ASCII or mixed full ASCII, to correctly decode all of
the Code 39 full ASCII bar codes.