Volume, Reset | Optoma Technology EP723, EP728, EP727, EP721

User Controls

Options

Volume

Press the to decrease the volume.

Press the to increase the volume.

Reset

Choose “Yes” to return the display parameters on all menus to the factory default settings.

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Optoma Technology EP723, EP728, EP727, EP721 manual Volume, Reset

Contents

Table of Contents Class B emissions limits Safety InformationsImportant Safety Instruction Precautions Don’t Eye Safety Warnings Introduction  Video Compatibility NTSC, NTSC4.43 Package Overview Documentation Product Overview Main Unit Control Panel Connection Ports Remote Control Installation Connecting the Projector Connect to Video Sources Lens Cap Powering On/Off the ProjectorPowering On the Projector Powering off the projector Adjusting the Projected Image Adjusting the Projector’s Height Adjusting the Projector’s Zoom / Focus Adjusting Projection Image Size Four Directional Control Panel & Remote ControlTemp LED Indicate the projector’s temperature status Select Keys Control LaserPC/Mouse Button Remote Control Video How to operate On-screen Display Menus Menu Tree Brightness Display ModeImage Contrast Saturation Tint Color ResetImage Color BrilliantColorTM Image AdvancedDegamma Color Temp Input Source Display Format Input Signal Image Shift OverscanZoom Keystone Setup Language Language Projector ID SetupProjection Information Hide Start Up Logo Security Setup SecuritySecurity Timer Change Password First Time Frequency Setup SignalPhase Position Options Volume Sleep Timer min Direct Power OnAuto Power Off min Lamp Reset Options Lamp SettingsBrightness Mode Lamp Hours No image appears on-screen TroubleshootingImage Problems Partial, scrolling or incorrectly displayed image Image is unstable or flickering Image has vertical flickering bar Image is too small or too large Image is stretched when displaying 169 DVD titleImage is out of focus Image has slanted sides Projector stops responding to all controls Intermission ProblemsProjector Status Indication Lamp burns out or makes a popping sound Message Reminders Remote Control Problems If the remote control does not work Replacing the lamp Lamp Replacement Procedure  Video Compatibility Compatibility Modes Computer Compatibility RS232 Commands RS232 Commands RS232 Protocol Function List Function Projector Return Description Ceiling Mount Installation Optoma Global Offices Korean Regulation & Safety notices Remarque à l’intention des utilisateurs canadiens