Optoma Technology EP728, EP727, EP723, EP721 manual Setup Signal, Phase, Frequency, Position

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User Controls

Setup Signal

Phase

“Phase” synchronizes the signal timing of the display with the graphic card. If you experience an unstable or flickering image, use this function to correct it.

Frequency

“Frequency” changes the display data frequency to match the frequency of your computer’s graphic card. If you experience a vertical flickering bar, use this function to make an adjustment.

H.Position

Press the to move the image left.

Press the to move the image right.

V.Position

Press the to move the image down.

Press the to move the image up.

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Contents Table of Contents Safety Informations Important Safety InstructionClass B emissions limits Precautions Don’t Eye Safety Warnings Introduction  Video Compatibility NTSC, NTSC4.43Package Overview DocumentationProduct Overview Main UnitControl Panel Connection Ports Remote Control Installation Connecting the ProjectorConnect to Video Sources Powering On/Off the Projector Powering On the ProjectorLens Cap Powering off the projector Adjusting the Projected Image Adjusting the Projector’s HeightAdjusting the Projector’s Zoom / Focus Adjusting Projection Image SizeControl Panel & Remote Control Temp LED Indicate the projector’s temperature statusFour Directional Select KeysLaser PC/MouseControl ButtonRemote Control VideoHow to operate On-screen Display MenusMenu Tree Display Mode ImageBrightness ContrastSaturation TintReset Image ColorColor Image Advanced DegammaBrilliantColorTM Color TempInput Source Display FormatInput Signal Overscan ZoomImage Shift KeystoneSetup Language LanguageSetup ProjectionProjector ID Information HideStart Up Logo Setup Security Security TimerSecurity Change Password First TimeSetup Signal PhaseFrequency PositionOptions Volume Direct Power On Auto Power Off minSleep Timer min Options Lamp Settings Brightness ModeLamp Reset Lamp HoursTroubleshooting Image ProblemsNo image appears on-screen Partial, scrolling or incorrectly displayed imageImage is unstable or flickering Image has vertical flickering barImage is stretched when displaying 169 DVD title Image is out of focusImage is too small or too large Image has slanted sidesIntermission Problems Projector Status IndicationProjector stops responding to all controls Lamp burns out or makes a popping soundMessage Reminders Remote Control Problems If the remote control does not workReplacing the lamp Lamp Replacement Procedure Compatibility Modes  Computer Compatibility Video Compatibility RS232 Commands RS232 Commands RS232 Protocol Function ListFunction Projector Return Description Ceiling Mount Installation Optoma Global Offices Korean Regulation & Safety notices Remarque à l’intention des utilisateurs canadiens