6 - 14 DS9208 Product Reference Guide
CDC Beep on <BEL>
If you enable this parameter, the digital scanner issues a beep when it detects a <BEL> character in USB CDC 
communications. <BEL> indicates an illegal entry or other important event.
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Honor Direct I/O Beep
Scan one of the following bar codes to honor or ignore a Direct IO Beep from the USB host. If you select 
Ignore Direct IO Beep, the scanner does not sound beeps on this command. All directives are still 
acknowledged to the USB host as if they were processed.
*Enable CDC Beep on <BEL>
Disable CDC Beep on <BEL>
*Honor Direct IO Beep
Ignore Direct IO Beep