Optoma Ep773 Projector User Manual
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2English User Controls DisplayMode There are many factory presets optimized for various types of im- ages. Presentation:GoodcolourandbrightnessfromPCinput. Bright: Maximum brightness from PC input. Video:Pleasingvideo. Cinema:Highcontrastandcolouraccuracy. sRGB:Standardisedaccuratecolour. User:User’sownsettings. Brightness Adjustthebrightnessoftheimage. Pressthetodarkenimage. Pressthetolightentheimage. Contrast Thecontrastcontrolsthedegreeofdifferencebetweenthelightest anddarkestpartsofthepicture.Adjustingthecontrastchangesthe amountofblackandwhiteintheimage. Pressthetodecreasethecontrast. Pressthetoincreasethecontrast. WhitePeaking Usethewhitepeakingcontroltosetthewhitepeakinglevelof DMD chip. 0 stands for minimal peaking, and 10 stands for maxi - mum peaking. If you prefer a brighter image, adjust towards the maximum setting. For a smooth and more natural image, adjust towardstheminimumsetting. Image-I
22English User Controls ColourTemp. Adjusts the colour temperature. At higher temperature, the screen looks colder; at lower temperature, the screen looks warmer. Saturation Adjustsavideoimagefromblackandwhitetofullysaturated colour. Pressthetodecreasetheamountofsaturationintheimage. Pressthetoincreasetheamountofsaturationintheimage. Sharpness Adjuststhesharpnessoftheimage. Pressthetodecreasethesharpness. Pressthetoincreasethesharpness. De-interlace Thisfunctionconvertsaninterlacedvideosignalintoprogressive signal. On:AutomaticallyswitchthemodeofDeinterlace. Off:SwitchDeinterlacemodetovideomodeforvideosourceor TVsource. “Saturation”and “De-interlace” functionsareonly supportedunder Videomode.
23English User Controls Frequency “Frequency”changesthedisplaydatafrequencytomatchthefre- quency of your computer’s graphic card. If you experience a vertical flickering bar, use this function to make an adjustment. Phase “Phase” synchronizes the signal timing of the display with the graphic card. If you experience an unstable or flickering image, use thisfunctiontocorrectit. Hor. Position (Horizontal Position) Pressthetomovetheimageleft. Pressthetomovetheimageright. Ver.Position(VerticalPosition) Pressthetomovetheimagedown. Pressthetomovetheimageup. Degamma This allows you to choose a degamma table that has been fine-tuned tobringoutthebestimagequalityfortheinput. AspectRatio Usethisfunctiontochooseyourdesiredaspectratio. 4:3 : The input source will be scaled to fit the projection screen. 16:9 : The input source will be scaled to fit the width of the screen. LetterBox: This format is for non-16x9, letterbox source and for users who use external 16x9 lens to display 2.35:1 aspect ratio usingfullresolution. Window: When a 4:3 image is bigger than a 16:9 screen, select the “Window” mode to fit the image onto the screen without changingtheprojectiondistance. Image-II “Frequency”, “Phase”, “Hor. position”and“Ver. position”functions areonlysupported underComputer mode.
24English User Controls Ver. Shift (16:9) Adjust the image position up or down, when you select the aspect ratio of 16:9. Pressthetomovetheimagedown. Pressthetomovetheimageup. Input Signal Display area Picture area Display on Screen Ver. Shift (16:9): ImagePositionat windowmodewill alsobemovedac -cordingly.
2English User Controls ColourAdjustment Adjust the Red, Green, Blue, Yellow, Cyan and Magenta colors for advancedadjustmentoftheindividualcolors. Colour Adjustment Language Language ChoosethemultilingualOSDmenu.Usetheorkeytoselect yourpreferredlanguage. Press “Enter” to finalize the selection.
26English User Controls MenuLocation Choosethemenulocationonthedisplayscreen. Projection Front-Desktop Thefactorydefaultsetting. Rear-Desktop When you select this function, the projector reverses the image soyoucanprojectfrombehindatranslucentscreen. Front-Ceiling When you select this function, the projector turns the image upsidedownforceiling-mountedprojection. Rear-Ceiling When you select this function, the projector reverses and turns theimageupsidedown.Youcanprojectfrombehindatranslu - centscreenwithceilingmountedprojection. Keystone (Keystone Correction) Adjusts image distortion caused by tilting projector. (±16 degrees) SourceLock Auto:Theprojectorwillsearchforothersignalsifthecurrent inputsignalislost. Lock: The projector will search specified connection port. Zoom Pressthe to reduce the size of an image. Pressthetomagnifyanimageontheprojectionscreen. Management
2English User Controls Management HighAltitude Choose“On”toturnonHighAltitudemode.Operatesthefansat fullspeedcontinuouslytoallowforproperhighaltitudecoolingof theprojector. Volume Presstodecreasethevolume. Presstoincreasethevolume. Treble Thetreblesettingcontrolsthehigherfrequenciesofyouraudio source. Presstodecreasethetreble. Presstoincreasethetreble. Bass Thebasssettingcontrolsthelowerfrequenciesofyouraudio source. Presstodecreasethebass. Presstoincreasethebass. ProjectorID Allows RS232 control of an individual projector. Range 01-99. Reset Returntheadjustmentsandsettingstothefactorydefaultvalues. Execute: Returns the settings for all menus to factory default values. Cancel:Canceltherevisedsettings.
2English User Controls Security SecurityTimer:Canbeselectthetime(month/day/hour)func- tiontosetthenumberofhourstheprojectorcanbeused.Once thetimehaselapsedyouwillberequestedtoenteryourpass - wordagain. ChangePassword Use number buttons to select your password, and then press “Enter” key to confirm your selection. 1. Scroll down to highlight Change Password, and press “Enter” toinputoldpassword. 2. The Password is 4 digits, DEFAULT VALUE is “0000” (first time). 3. EnternewPassword(4digits)andpress“Enter”. 4. Enter new Password again to confirm and press “Enter”. Security ■ Enable: Choose “Enable” to use security verification when the turningontheprojector. ■ Disable:Choose“Disable“tobeabletoswitchontheprojector without password verification.
2English User Controls Lamp Setting ProjectionHours Displaystheprojectiontime. LampHours Displaysthecumulativelampoperatingtime. ResetLampHours Resetsthelamplifehourcounterafterreplacingthelamp. LampReminder Choosethisfunctiontoshowortohidethewarningmessage whenthechanginglampmessageisdisplayed.Themessagewill appear 30 hours before end of life. STDMode Choose“On”todimtheprojectorlampwhichwilllowerpower consumption and extend the lamp life by up to 130%. Choose ”Off”toreturntoBRIGHTmode. AutoPowerOff Sets the countdown timer interval. The countdown timer will start, whenthereisnosignalbeingsenttotheprojector.Thenprojector will automatically power off when the countdown has finished. SleepTimer Sets the countdown timer interval. The timer will begin, with orwithoutasignalinput.Thentheprojectorwillautomatically power off then the sleep timer countdown has finished.
30English Appendices Problem: No image appears on screen Ensureallthecablesandpowerconnectionsarecorrectlyand securelyconnectedasdescribedinthe“Installation”section. Ensurethepinsofconnectorsarenotcrookedorbroken. Checkiftheprojectionlamphasbeensecurelyinstalled.Please refertothe“Replacingthelamp”section. Makesureyouhaveremovedthelenscapandtheprojectoris switchedon. Ensurethatthe“AVMute”featureisnotturnedon. Problem: Left of right edge of the image is missing or the im- age is unstable or noisy Press“Re-Sync”ontheremotecontrolorpress“Re-Sync”oncon- trolpanel. IfyouareusingaPC: For Windows 3.x: 1. In the Windows Program Manager, double click the “Windows Setup”iconintheMaingroup. 2. Verifythatyourdisplayresolutionsettingislessthan orequal to 1400 x 1050. For Windows 95, 98, 2000, XP: 1. From the “My Computer” icon, open the “Control Panel” folder, and double click the “Display” icon. 2. Selectthe“Settings”tab. 3. Clickonthe“AdvancedProperties”button. If the projector is still not projecting the whole image, you will also need to change the monitor display you are using. Refer to the following steps. 4. Verify the resolution setting is less than or equal to 1400 x 1050 resolution. Troubleshooting If you experience trouble with the projector, refer to the follow- ing information. If the problem persists, please contact your local reseller or service center, see page 38 for details.