Honeywell MX9 Reference Manual page 135

When All is selected in the Symbology field and the settings are changed, the settings in this dialog become the defaults, used
unless overwritten by the settings for individual symbologies. This is also true for Custom IDs, where the code IDs to be
stripped are specified by the user.
Note: In Custom mode on the Data Options tab, any Code IDs not specified by the user will not be stripped, because they
will not be recognized as Code IDs.
If a specific symbology's settings have been configured, a star (*) will appear next to it in the Symbology drop-down box, so the
user can tell which symbologies have been modified from their defaults.
If a particular symbology has been configured, the entire set of parameters from that symbologies screen are in effect for that
symbology. In other words, either the settings for the configured symbology will be used, or the default settings are used, not a
combination of the two.
If a symbology has not been configured (does not have an * next to it) the settings for All are used which is not necessarily the
default.
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