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UniversalSerialBus(USB)DeviceClassDefinitionforHumanInterfaceDevices(HID)FirmwareSpecification—6/27/01Version1.11Pleasesendcommentsviaelectronicmailto:hidcomments@usb.org1996-2001USBImplementers'Forum—Allrightsreserved.6/27/01iiiContents1.Preface........................................................................................................vii1.1IntellectualPropertyDisclaimer...........................................................vii1.2Contributors..........................................................................................vii1.3ScopeofthisRevision..........................................................................viii1.4RevisionHistory..................................................................................viii1.5DocumentConventions..........................................................................ixIntroduction..................................................................................................12.1Scope.......................................................................................................12.2Purpose....................................................................................................22.3RelatedDocuments.................................................................................3ManagementOverview................................................................................4FunctionalCharacteristics............................................................................74.1TheHIDClass.........................................................................................74.2Subclass...................................................................................................84.3Protocols..................................................................................................94.4Interfaces...............................................................................................104.5DeviceLimitations..................................
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