DirecTV HR20 User Manual page 99

Captioning
Select "Captioning" to turn closed captioning on or off, and to select
the font style, size and color for the display of captions.
Clock
Select "Clock" (or "Time Zone" on Standard-Definition Receivers) to
set your time zone and whether you want the receiver to show Daylight
Savings time or not.
TV Ratio
On SD Receivers, select the "TV Ratio" tab to set the "aspect ratio" of your
TV. Most Standard-Definition TVs are 4:3. Most high-definition (HD) TVs
are 16:9. This option is also available on HD Receivers and is covered in
"HDTV" later in this chapter.
High
-Definition DVRs
Standard
-Definition DVRs
System Setup
Settings
CHAPTER 6 -
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