2 Reference Information2-2 SyncMaster 320TFT/520TFTAcronym Definition Acronym DefinitionABL Automatic Brightness LimitsAC Alternating CurrentACL Automatic Contrast LimitAFC Automatic Frequency ControlANSI American National Standards InstituteCMOS Complementary Metal OxideSemiconductorCRT Cathode Ray TubeDC Direct CurrentDDC Data Display ChannelDF Dynamic FocusDMM Digital MultimeterDPMS Display Power Management SignalingDVM Digital VoltmeterDY Deflection YokeEEPROM Electrically Erasable andProgrammable Read only MemoryESD Electrostatically Sensitive DeviceESF Electronic Static FieldFBT Flyback TransformerFET Field Effect TransistorFH Horizontal FrequencyFS Fail SafeFV Vertical FrequencyGD Geometric DistortionH/V Horizontal/VerticalHV High VoltageI/O Input/OutputIC Integrated CircuitLED Light Emitting DiodeMAC MacintoshMOFA Mask Outside Frame AssemblyOCP Over Current ProtectionOP AMP Operational AmplifierOSD On Screen DisplayP-P Peak to PeakPCB Printed Circuit BoardPLL Phase Locked LoopPWM Pulse Width ModulationSMPS Switch Mode Power SupplySVGA Super Video Graphics ArrayTP Test PointUL Underwriters LaboratoriesUSB Universal Serial BusVESA Video Electronics StandardAssociationVGA Video Graphics ArrayVR Variable RegistorW/B White Balance2-1-2 Acronyms2-1-2 SymbolsHot GroundCold GroundProvides special safety considerations!