ATI Technologies RADEON X1550 SERIES, User Manual, Page: 63 / 148

HDTV Support 55
Note: Clicking Defaults will restore the defaults for the current view
only. Previous settings are not altered and will be saved once you
click
OK .
Discard your settings
• Click Discard to ignore any unsaved changes and restore the
settings that existed when the Catalyst™ Control Center was
opened or the last time
Apply was used. Discard does not close the
Catalyst™ Control Center.
Clicking Discard applies to all features of an aspect, not just the feature in
the current view.
HDTV Support
Use HDTV Support when your CRT or DFP display device supports one
or more HDTV modes that are not initially listed in the Displays Manager
due to an incomplete EDID (Extended Display Identification Data).
Selecting one or both of the HDTV modes adds them to the Force button
located in the Displays Manager when the associated display is selected.
If you have both CRT and DFP display devices and want both to support
HDTV, you select both the
Add 720p and Add 1080i check boxes in the
corresponding HDTV Support pages.
The following formats and refresh rates are fully supported supported:
• NTSC
• PAL
• SECAM
Add 720p mode to the Displays Manager Force button
If the Predefined and Custom HDTV Formats list box is empty you can
add a format.
1
From the Tree View pane, expand Digital Panel Properties .
2
Click HDTV Support .
3
Click Add 720p standard format to the Displays Manager .
L
WARNING! : Forcing a display mode that exceeds its EDID
limits may result in permanent damage to your display!