[mythtv-users] Large LCD Televisions?
Joshua Ferraro
jmf at kados.org
Wed Jan 4 23:21:57 UTC 2006
On Wed, Jan 04, 2006 at 05:54:43PM -0500, Jay R. Ashworth wrote:
> You are almost certainly overscanning the TV. I would recommend trying
> to get X into a lower resolution mode (if you're configured in the
> traditional fashion, Ctrl-Alt-+ and - ought to rotate between them),
> and if that works, go into your config file and lock off the modes that
> scan too high.
OK ... bear with me here cause I'm definitely a new to this stuff.
You're talking about the 'Screen' section and the 'Display' subsection
for the modes right?
The monitor specs say the following:
Broadcast Standards
Broadcast Format Displayed: 480i (SDTV), 768p
Broadcast Format Supported: 1080i (HDTV), 480i (SDTV), 480p (EDTV), 720p (HDTV)
Broadcast Format: ATSC (Digital), NTSC (analog)
HDTV Compatible: Yes
HDTV Built-in Tuner: Yes
How does that translate to modes (HTimings,VTimings,Flags, etc.)? Or should I
use a Modline? Also, is there a way I can ensure that I'm doing ATSC rather
than the analog NTSC? Currently I have three modes listed:
960x540p, in540, and 1920x1080i. (Switching between them using Ctrl-Alt-+
and - doesn't change the display (in fact, whenever I start X the TV
refuses to display anything even if I do the Ctrl-Alt-Backspace to shut
down X or use Ctrl-Alt-F2 to change to a different terminal). I've tried
listing the modes I have individually, but still no luck.
Here's my Monitor section:
Section "Monitor"
Identifier "Monitor0"
VendorName "Samsung"
ModelName "40" HDTV"
HorizSync 30 - 60
VertRefresh 60 - 75
Option "dpms"
# My 960x540p mode
Mode "960x540p"
DotClock 37.26
HTimings 960 976 1008 1104
VTimings 540 542 548 563
Flags "+HSync" "+VSync"
EndMode
# My 880x480in540p mode
Mode "in540p"
DotClock 37.26
HTimings 880 944 1048 1104
VTimings 480 506 520 563
Flags "+HSync" "+VSync"
EndMode
# My 1920x1080i mode
Mode "1920x1080i"
DotClock 74.52
HTimings 1920 1952 2016 2208
VTimings 1080 1084 1096 1126
Flags "-HSync" "-VSync" "Interlace"
EndMode
# My 1760x960in1080i mode
Mode "in1080i"
DotClock 74.52
HTimings 1760 1888 2096 2208
VTimings 960 1012 1028 1126
Flags "-HSync" "-VSync" "Interlace"
EndMode
EndSection
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