Specifications

Dolby
®
Professional Reference Monitor Manual 1
Chapter 1
Introduction
WelcometoDolby
®
professionalvideo!
TheDolbyProfessionalReferenceMonitor(PRM‐4220)isdesignedforthepostproduction,
film,andtelevisionbroadcastindustries.ThePRM‐4220hasaresolutionof1,920×1,080
pixelsandarefreshrateof120Hz,utilizingDolbyLaboratories’dual‐modulationRGB
backlighttechnology.Thisenablesthe42‐inch(diagonal)fla
t‐paneldisplaytodeliver
extendeddynamicrangeandrevealtrueanddeepblackswithhighercontrastacrossits
entirecolorgamut.
ThePRM‐4220complieswiththeindustrystandardcolorprimaries
(ITU‐RBT.709[alsoreferredtoasRec.709],DCIP3,SMPTE‐C,andEBU)andacceptsthe
CIE1931XYZcolorspace.WedesignedthePRM‐4220toequalorexceedtheperformance
characteristicsofareferenceCRTdisplay.Inadditi
on,thePRM‐4220canemulate
consumerLCDandplasmadisplaypanel(PDP)displays,providingthecoloristwithan
immediatequalitycontrolreferencepointwhileinthegradingsuite.Withtheuseof
custom3Dlookuptables(LUTs),thePRM‐4220canalsodisplayotheruser‐specified
properties.
Figure1‐1 
Figure 1-1 PRM-4220 Front Panel
Power and status LED