InFocus IN72, IN76, IN78, IN74 manual Choosing the aspect ratio

Page 7

Choosing the aspect ratio

Aspect ratio is the ratio of the image width to image height. HDTV and most DVDs are 16:9, which is the default for this projector. When in 4:3 mode the projector places black bars on both sides of the image. Native mode centers the image and turns off the internal scaler so that any resolu- tion larger than the native projector resolution is cropped on the edges. Let- terbox expands the image to fill the screen.

What you plan to project will also help you choose between 4:3 and 16:9. For example, most TV shows are 4:3, while most movies are 16:9. If you have a 16:9 screen, then you should select an aspect ratio of 16:9 for anamorphic movies and HDTV, and Native for 4:3 content. If you have a 4:3 screen you should still use 16:9 for anamorphic movies or HDTV, but you also have the option of using 4:3, Native, or Natural Wide for 4:3 content. Keep in mind that anamorphic movies only appear correctly if the DVD player is set to output to a 16:9 television. Natural Wide stretches a 4:3 image to fill the entire 16:9 screen. The center two-thirds of the image is unchanged; the edges of the image are stretched.

16:9

aspect ratio

4:3 aspect ratio

letterbox aspect ratio

natural wide aspect ratio

16:9 image input

9

16

4:3 image input

3

4

letterbox image input

black bars

3

black bars

4

4:3 image input

3

4

16:9 image

9

16

4:3 image on 16:9 screen

9

bars

bars

black

black

 

 

 

 

 

 

16

16:9 image fills 16:9 screen

9

16

4:3 image fills 16:9 screen

9

16

6

Image 7
Contents Reference Guide FCC Warning CanadaDeclaration of Conformity TrademarksTable of Contents Introduction Product specifications Accessories Online RegistrationVolt DC output Connector Panel10.4/3.2 92/2.3 Positioning the projector60/1.5 2.4 80/2Choosing the aspect ratio Video connectors Component RCA connection Connecting a video deviceComposite RCA video connection Video connectionComputer connections Digital connectionsDVI connection Hdmi connectionDisplaying an image Adjusting the imageAdjust Picture menu options including Aspect Ratio Shutting down the projector Troubleshooting your setupPress power button Page Page Minute ColorChange lamp message appears at startup or LED blinking red Troubleshooting the remote Using the remote controlUsing the keypad buttons Customizing the projector Optimizing video imagesUsing the menus Picture menu Presets Save User Advanced menu Page Settings menu Startup Logo Language menu Custom Key Blank Screen Service menu Hdmi menu Service Info Source Info menu Cleaning the lens MaintenanceReplacing the projection lamp Lamp door Captive screws Service menu Appendix Red LED behavior and projector errorsLED Behavior Remote control discrete codes Function Description Button Remote control discrete codesProjector dimensions for ceiling mount installations Supported video formats Connector Signal Type Supported formatsSetting Value RS-232 terminal specifications for IN74/IN76/IN76Communication configuration Command formatFunction Command Range Ult Supported commandsDefa NAV VPS Index
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