GetButtonCount GetButtonState GetControlPanelVariable GetMonitorVariable LD_ClearIOHandle LD_CloseScanner LD_DeviceInit LD_DiagnosticTest LD_EEPROMControl LD_GetLCDUpDnBtnStatus LD_GetLampStatus LD_GetNumBtnStatus LD_GetScannerAbility LD_GetScannerStatus LD_HWUpDnControl LD_LCDPanelCtrl LD_LEDControl LD_LampOff LD_LampOn LD_OpenScanner LD_ReadScan LD_ResetScanner LD_SetIOHandle LD_SetScanParameter LD_StopScan ReadNVRAM ResetButton SetControlPanelVariable WriteNVRAM