Defined term
Upstop Knob
Upstop Knob: (ES&S, opscan) A component of certain models of ES&S optical scanners used to adjust the guide arm that holds ballots in place as the input…
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Infrastructure
Definition
(ES&S, opscan) A component of certain models of ES&S optical scanners used to adjust the guide arm that holds ballots in place as the input hopper rises while ballots are being read.
Sources
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Electronic Voting Glossary
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