Chapter 1: technical overview – Samsung DIRECTV SIR-TS160 User Manual
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4:3 TVs showing 16:9 programs
For a standard 4:3 TV showing a widescreen program, the
program is too wide to fit on the screen. The DIRECTV
®
High-
Definition Receiver gives you 3 ways to fix the problem:
Letter box: If you choose the letter box format, the 16:9 image is
shrunk until the entire width of the program fits on
your TV. Since the aspect ratio of the program is
maintained, the image is no longer tall enough to fill
your screen, so black/gray bars are seen at the top
and bottom of the screen.
Full: If you set your DIRECTV HD Receiver to the Full
setting, 16:9 images are shrunk to fit the width of
the screen, like in the Letter box format. But instead
of applying black/gray bars to the top and bottom of
the screen, the program image is stretched vertically
until it is tall enough to fill your screen. Your entire
TV screen is full, but the program images are a little
stretched to compensate for the program – to –
screen mismatch.
Zoom: The third screen format option is to magnify the
image, keeping the 16:9 aspect ratio intact, until your
entire screen is filled. This eliminates the distortion
present in the Full option, but as the image becomes
tall enough to fit your screen, it pushes some of the
program content off the left and right edges of the
screen.
Chapter 1: Technical overview