ARRIS Global Limited HR54 사용자 설명서

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For a wide screen 16:9 TV showing a standard 4:3 TV program, the program is too tall to fit the screen. Your choices here include:
Pillar Box: Here the 4:3 image is shrunk until the entire height of the program fits on your TV. Since the aspect ratio is maintained, 
the image is no longer wide enough to fill the screen, so gray or black bars are seen at the left and right edges. To change the bar 
color, press MENU, select Settings & Help, Settings, and then Video. Select the desired bar color option. See your TV’s owner’s 
manual for information on the best color for your set.
Stretch: In this setting, instead of adding bars to the sides, the 4:3 program image is stretched horizontally until it’s wide enough to 
fill the screen. Your entire screen will be full, but the images are a little stretched to compensate.
Crop: This format crops (cuts off) the top and bottom of a 4:3 frame, keeping the 4:3 ratio intact. 
If your display is a 16:9 format TV or monitor, your format options include these:
For 4:3 program signals:
Pillar Box
Stretch
Crop
APPENDICES