System function setting
Factory Default setting
All scanners have a factory default settings, scan "Factory Default "bar
code, will make the scanner all property settings to be factory default
setting.
In the following cases you can use this bar code:
1. The scanner setting error, such as unable to read bar code.
2. You have forgotten what you did before to the scanner settings, and
do not want to be affected by the previous settings.
3.Setting the scanner to use a function that is not frequently-used, and
the use of after.
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