There is no volume control for the WWS 800, only Buzzer Settings. Via page 3 of the Reference Guide you can Enable / Disable the Buzzer and set the Frequency of the Buzzer.
This also applies to the WWS 850 scanner.
How do I adjust the volume control on the WWS800 & WWS850? - Knowledgebase / Hardware / Scanners / WWS800/850 - Wasp Helpdesk
How do I adjust the volume control on the WWS800 & WWS850?
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- Last updated: Apr 10, 2017 by Internal User