Nvidia Quadro FX 4800 - Page 18

NVIDIA Corporation
14 Quadro FX 4800/5800 and Quadro CX SDI User’s Guide– Version 1.0
C
HAPTER 2
NVIDIA Graphics-to-SDI
Changing Video Formats
WhenchanginganyoftheSDIsettings,visualdisturbancesmightoccurasthevideo
resetstothenewsettings.Topreventsuchdisturbancesfrombeingvisibletothepublicor
frombeingrecorded,observethefollowingsequencewhenmakingchangestoanySDI
setting:
1 Stopthelivebroadcast(gooff
air)
2 ChangevideoformatorSDIsettings
3 Verifyvideoquality
4 Resumethelivebroadcast
When Using the Control Panel
NVIDIArecommendsthefollowing
•SetthedesktoptothesameorhigherresolutionthantheSDIoutputforbetterimage
quality.
•Closeallbackgroundapplications—suchasvirusscan,backup,andarchiving
applications—beforestartingtheSDIoutputandgoingonair.
•ClosetheDisplayPropertiespanelbeforegoingonair.
•Whenrunningmultiple
OpenGLapplications,tearingmayoccuriftheapplicationsare
notsynchronized.
Ingeneral,NVIDIAdoesnotrecommendrunningmultipleOpenGLapplicationswhen
startingtheSDIoutputorwhengoinglive.
Running Multiple OpenGL Applications
Tomaximizethesystemresourcesandbandwidthavailableforconvertinggraphicsto
SDIoutput,NVIDIArecommendsbroadcastingonlyoneOpenGLapplicationatatime.