Sharp XG-C50X operation manual Correcting Trapezoidal Distortion Keystone Correction, Test pattern

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Correcting Trapezoidal Distortion (Keystone Correction)

Correcting Trapezoidal Distortion

This function allows for Keystone (On-screen Trapezoidal Distortion) Correction.

Note

When the image is projected either from top or from bottom towards the screen at an angle, the image becomes distorted trapezoidally.

The function for correcting trapezoidal dis- tortion is called Keystone Correction.

The Keystone Correction can be adjusted up to angle of approximately ±35 degrees.

1 Press .

Pressing again while the BOR- DER, STRETCH or SMART STRETCH screen is displayed will start the Digital Shift function. See page 39.

2Press ', ", \ and to adjust the Keystone correction.

If you want to make more detailed cor-

rections, press to display the test pattern, and then press ', ", \ and to make the adjustments.

Note

Since the trapezoidal distortion of the im-

age can be corrected up to an angle of approximately ±35 degrees, the actual screen can be diagonally set up to that angle as well.

Press to cancel Keystone Correction.

When no signal is detected, the test pat- tern will be displayed without pressing .

3 Press .

Note

You can use the same settings used in NORMAL mode 4:3 for 16:9.

Straight lines or the edges of images may appear jagged while adjusting the image.

KEYSTONE button

 

ENTER button

', ", \,

UNDO button

buttons

 

Normal screen

 

Keystone Correction screen

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compresses upper side.

Compresses lower side.

Test pattern

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Image 40
Contents XG-C50X Model No. XG-C50X Serial No Introduction Product Disposal Outstanding Features Color Management SystemNoise Reduction New Edge Up-ScalingContents Appendix Cleaning AccessoriesPower Sources Power-Cord ProtectionDamage Requiring Service Replacement PartsSafety Check Wall or Ceiling MountingAvoid locations with high or low temperature Using the projector in other countriesTemperature monitor function Rest your eyes occasionallyTo install Acrobat Reader from the CD-ROM For other operating systems For other languagesFor Windows For MacintoshPart Names Projector Front and Top ViewUsing the Kensington Lock Projector Rear ViewRemote Control Top View Remote Control Front ViewPart Names Using the Remote Control Available Range of the Remote ControlWhen using the remote control Inserting the BatteriesSupplied accessories AccessoriesOptional cables Connections and Setup Connecting the Projector to Other Devices Before ConnectingThis projector can be connected to An audio cable commercially available SeeConnecting the Power Cord Connecting to a Computer Using the RGB Cable Ferrite corePlug and Play function when connecting to a 15-pin terminal Connecting to Video Equipment Connecting to Component Video Equipment CableConnecting to an Amplifier Connecting to an Amplifier or Other Audio ComponentsControlling the Projector by a Computer Connecting to a Monitor Watching Images on Both the Projector and a MonitorPress or while using presentation software on your computer Using the Wireless Pre- sentation FunctionButton Using as a Wired Remote Control Connecting the Remote Control to the ProjectorSetup Using the Adjustment FeetFocus ring Zoom knob Adjusting the LensOut Zoom Setting up the Screen Throw DistanceStretch Mode Normal ModeScreen Size and Projection Distance AN-C12MZ Throw ratio 11.18 to Projecting a Reversed/Inverted Image Projection from behind the screenBasic Operation Basic Procedure Plug the power cord into the wall outletPress on the projector or on the remote control Image ProjectionPress or on the remote control to adjust the volume Press , , or on the remote control to select the Input modeVolume buttons Selecting the On-screen Display Language Press to temporarily turn off the soundPress Press \ or to select Lan- guagePress or to select the de- sired language, and then press Press , , \ and to adjust the Keystone correction Correcting Trapezoidal Distortion Keystone CorrectionCorrecting Trapezoidal Distortion Keystone button Enter button Undo button ButtonsUndo button Menu Bar Items Sub menuInput 3 / 4 Mode FAO VAOMenu Selections Adjustments Using the Menu ScreenMenu Bar Main Menu Enter button Buttons Menu button Press or to select the item you want to adjust Press \ or to select the menu you want to adjustPress \ or to adjust the item selected Press or to select the item you want to set Menu Selections SettingsEnter button Buttons Menu button Cursor shifts to the sub menu Adjusting Image Preferences Adjusting the PictureSelecting the Signal Type Progressive Mode When Auto Sync is OFF Adjusting Computer ImagesSaving Adjustment Settings Special Mode Settings Selecting Adjustment SettingsChecking the Input Signal Auto Sync Adjustment Auto Sync Display FunctionScreen display during Auto Sync Auto Sync buttonEasy to Use Functions Switching the Picture Display Using Different Input Signals Selecting the Picture Display ModeResize button Screen display of the picture display mode Video Storing an Image Still Image Format Displaying a Still ImageFreeze button Displaying an Enlarged Portion of an Image Enlarging a Specific Portion of an ImageButtons Enlarge Enlarge/ Reduce buttons Adjusting Gamma Correction Gamma Correction FunctionDisplaying the Inset Picture Displaying Dual Pictures Pict in PictPress to move the inset pic- ture Black Screen Function Blacking out the Pro- jected ImageTo return to the original projected image, press again This function can be used to display a black screenDisplaying the Break Timer Displaying and Setting the Break TimerPress to cancel the break timer Buttons Break Timer buttonSelecting the Color Reproduction Mode Selecting the Target ColorSetting the Chromatic Value of the Target Color Setting the Brightness of the Target ColorSetting the Hue of the Target Color Resetting User-Defined Color Settings Overview of All Color SettingsSetting the Audio Output Type Setting on/off the Internal SpeakerSetting the Audio Out- put Type Setting on/off the Inter- nal SpeakerUsing Auto Search Auto Search FunctionSetting On-screen Display Video Digital Noise Reduction DNR SystemReducing Image Noise Turning Off On-screen DisplaySetting the Video System Setting the Video SystemCapturing the Image Saving Projected ImagesDeleting the Captured Image Setting a Background Image Selecting a Startup ImageSelecting a Background Image Selecting a Startup ImageSetting the Power Save Mode Selecting the Economy ModeMonitor Out/RS-232C Off Function Automatic Power Off Function Selecting the Economy ModeDisplaying the Remaining Lamp Life Percentage Checking the Remaining Lamp Life PercentageSetting the Projection Mode Setting up the KeylockReversing/Inverting Projected Images Locking the Operation Buttons on the ProjectorSelecting the Transmission Speed RS-232C Canceling the Keylock SettingSelecting the Transmis- sion Speed RS-232C Setting up a Password Entering the PasswordIf You Forget Your Password Changing the PasswordEnter the new 4-digit password again in Reconfirm Setting the Anti-Theft Entering the KeycodeChanging the Keycode Enter the same 4-digit keycode in ReconfirmInitializing the Settings Returning to Default SettingsDisplaying the Adjustment Settings Overview of All Menu SettingsAppendix Maintenance Cleaning the projectorCleaning the lens Cleaning the exhaust and intake ventsCleaning and replacing the bottom air filter Turn off the power and discon- nect the power cordReplacing the Air Filter Remove the bottom filter coverReplace the air filter Clean the air filterReplace the filter cover About the temperature warning indicator Maintenance IndicatorsAbout the lamp replacement indicator Maintenance Indicators Lamp Regarding the LampReplacing the Lamp Removing and Install- ing the Lamp Unit Press on the projector to turn off the powerDisconnect the power cord Change the air filterResetting the Lamp Timer Connecting Pin Assignments RGB Input Component InputRS-232C Specifications and Command Settings CommandsPC control Communication conditionsRS-232C Specifications and Command Settings Options Control Contents Wired Remote Control Terminal Specifications Specifications of wired remote control inputSharp remote control signal format Function and transmisson codesComputer Compatibility Chart ComputerTroubleshooting Troubleshooting For Sharp Assistance Specifications Ntsc 3.58/NTSC 4.43/PAL/PAL-M/PAL-N/PAL 60/SECAMDimensions Units inches mmGlossary Advanced intelligent compressionIndex 100Stretch 101Sharp Corporation