Dolby Laboratories 425 Specifications download pdf (Page 34)

24 Dolby

Professional Reference Monitor Manual

Using the Professional Reference Monitor

2.4.2 Configuring the White Point

Toconfigurethisparameter:

1. Pressthe

SYSTEMkeytoactivatethetabmenu,thenusethearrowkeys(orthe

SYSTEM key)tomovetotheWhite Point tab.

The

White Pointscreenappears.ForDynamicReferencemode,anoteappearsinthis

screen,remindingyouthatthemaximumattainableluminancechangeswiththewhite

pointsetting,asshowninFigure 2‐28.Thisnotedoesnotappearin

CRTReference

mode.

Figure2‐28 

Figure 2-28 System/White Point Screen

ThewhitepointsetsthechromaticityofwhitefortheRGBandYCbCrinputs.

Youcanchangethecurrentsetti ngbypressingtheupanddownarrowkeys,andthen

pressingthe

ENTERkey.

Ifyouselect

Custom,adialogboxappears,whereyoucanspecifythedesiredwhite

pointCIExandycoordinates,asshowninFigure 2‐29.

Figure2‐29 

Figure 2-29 System/White Point/Custom White Point

Note: TheWhite Point tabisinaccessiblewhentheinputisXYZorLu’v’, orwhenan

emulationmodeisactive.Insuchcases,thewhitepointisabsolute.(DolbyLu’v’

isanewvideoformatdevelopedbyDolbyLaboratoriesforpotentialfuturevideo

applications.)

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Dolby Laboratories 425 Specifications Page 34