Operation Manual
23
About TV Display Capability (resolution settings)
•  Your set-top can transmit pictures to your TV in a range of resolutions (also called “Display 
Capabilities” - see below for the settings available). Generally, higher screen resolutions give better 
quality pictures. However, the quality will always depend on how the program was originally 
transmitted. 
•  Different TVs display different screen resolutions. For example, standard TVs display “480i”, EDTVs 
(Enhanced Definition TVs) display “480p” and most HDTVs display “1080i” or “720p”. Many 
HDTVs will display at more than one resolution. For more information, see the information 
supplied with your HDTV. 
You must make the appropriate TV Display Capability setting(s) on your set-top, so that it is 
compatible with your TV. See the next page for full instructions.
In order to display the best picture every time, you should select every resolution that your TV is 
capable of displaying. This should ensure that programs are displayed with the minimum distortion.
TV Display Capability settings
•  480i is standard definition NTSC and is 
transmitted in a 4:3 aspect ratio (see right);
•  480p is enhanced digital TV and can be 
transmitted in either a 4:3 or 16:9 aspect ratio;
• 
720p and 1080i are HDTV and are 
transmitted in a 16:9 aspect ratio (see right).
480i transmission: 
The aspect ratio is 4:3
1080i transmission: 
The aspect ratio is 16:9
MAKING USER SETTINGS (cont.)
NOTE
When your HDTV is connected 
to your set-top via an HDMI, your 
set-top gets information from 
your HDTV about the HDTV’s 
display capability. Your set-top uses 
this information to adjust its TV 
Display Capability settings. 
Your set-top also records the 
HDTV’s ID (identification), so that 
only one HDTV is supported at any 
one time. When your HDTV has 
updated your set-top’s TV Display 
Capability settings, you may change 
them if you wish. Your changes will 
then be stored with the ID.
You can restore your set-top’s 
TV Display Capability settings to 
their factory values, as described 
on page 31. You can also restore 
your set-top to the settings that 
your HDTV has passed to your 
set-top. To do this you must first 
restore the factory settings while 
your set-top is disconnected from 
your HDTV, then reconnect your 
HDTV via an HDMI cable.










