ViewSonic VS11857 manual Picture is jittery

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The picture is jittery.

zMake sure the LCD isn’t near Microwave Oven or other equipment.

The picture has double or triple image.

zThere may be reflected signals from mountains or buildings.

The picture is spotty.

zThere may be interference from automobiles,trains, high voltage lines, neon light, etc.

There are stripes on the screen or colours fade.

zIs the unit receiving interference from other devices?

Transmission of radio broadcasting station and transmission of amateur radio and cellular phones may also cause interference.

zPlace the unit as far apart as possible from devices that may cause possible interference.

ViewSonic

CD3200

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Contents ViewSonic Contents Customer Support Limited Warranty For Canada CE Conformity for European CountriesFollowing information is only for EU-member states Important Safety Instructions Declaration of RoHS Compliance Product disposal at end of product life Copyright InformationSafety and Precautions Operating SafetyViewSonic Repair Environmental Conditions Point of USEPower Supply ConnectingPrecautions Performance Characteristics ServiceIntroduction Advantages in relation to CRT cathode ray tube displaysRS232 Protocal Further featuresIncluded Equipment Interface Connecting External DevicesControls and Location Power indicatorTurn The LCD Display On Function KeyRemote Control Selecting the primary signal source Summary of Remote Control ButtonsConnections & Applications How do I connect a Video device via Hdmi Hdmi ? How do I connect a PC via D-SUB ? How do I connect a video device via general cables? Using Mute Using Volume ControlVolume Control Setting the Sleep TimerPC/HD button Video buttonScart button Viewing the Menus and ON-SCREEN Displays Picture Modes Picture SettingPicture Settings Color ModeHUE ViewSonic OFF mode Sound AdjustmentEqualizer Voice POP Rock Jazz Button ManualFunction Multi ModeViewSonic Press the T button to select PIP Function option PIP FunctionSub Main Language Brightness Darken and brighten picture brightness PC MenuColor Mode Mainpc Suboff Other Functions Remote control does not work TroubleshootingPicture is jittery Analog Input PC Input Preset Timing TableItems Specification SpecificationsPanel Video InputPower FeatureDimension Audio InputCustomer Support Limited Warranty ViewSonic Table of contentIntroduction DescriptionSet-Function Listing Length Command Length Command Value1 Value2 Value3Example Set Mute-ON command Ascii Set-Function descriptionCommand Value Range Comments PC Set-function command to LCD Monitor ID=C0hSet Function Code HexUpright Downleft Down Right Get-Function Listing Get-Function descriptionByte Count 00D Bytes order PC Get-function command to LCD Monitor Get FunctionResponse Range Comments CD3200 Viii Remote Control Pass-through mode MSB LSBName Length RCU-Code1 RCU-Code2 Byte Count 00D Bytes order HEX Baseline RCU Pass-through codesSet Function Command Value Range Comments CD3200 RS-232 Command TableSee Table ASPECT/EXITCD3200 Xiii CD3200 Xiv Pass Through Codes