Dolby Laboratories 425 Specifications download pdf (Page 23)

Remote Control Basics

Dolby

Professional Reference Monitor Manual 13

2.2.5 Numerical Keys

Figure2‐12 

Figure 2-12 Numerical Keypad

YouusethenumericalkeystoentervaluesintheRemotedataentryfields.Youcanusethe

backspacekeyinthelower‐leftcornertodeletecharactersfromrighttoleft.

Using the Numerical Keys to Save Custom Presets

Youcanalsousethenumericalkeystosaveandloadcustompresets,asdescribedin

Section 2.5.EachpresetsavesthecurrentstateofallPRM‐4200parameters.Youcan

configuremanyoftheseparametersusingtheRemote

EDITandSYSTEMmenus.Formore

informationonconfiguringtheseparameters,seeSection 2.3andSection 2.4.

2.2.6 Brightness and Contrast Controls

TheBRIGHTNESScontrolsetstheblacklevel.Itaddsorsubtractsanoffsetinthered,green,

andbluechannels.Whenadjustingthiscontrol,theblackpicturecontentshouldappearas

trueblackonthePRM‐4200

.Aftersettingthebrightnesscorrectly,youshouldsetthe

contrastforcomfortableviewingbrightness.

The

CONTRAST controlsetsthewhitelevel.Itappliesascalefactor(gain)tothered,green,

andbluechannels.Thisaffectstheluminance(proportionaltointensity)thatthesystem

reproducesforafullwhiteinputsignal.

Youcanlock the

BRIGHTNESSandCONTRASTcontrolknobsby pressingtheB/C LOCKkey

intheControlareaontheRemote.Thislockpreventsaccidentalchangestothesettings.

The

B/C LOCK keyilluminatesinyellowwhenactivated.

The

BRIGHTNESSandCONTRASTcontrolknobshavededicatedblueLEDs.Therespective

LEDilluminateswhenyouturnaknoboutofthedefaultcenterdetentposition.TheLED

isoffwhenaknobisinthecenterdetentposition.

2.2.7 Ethernet Port

TheRemotehasoneRJ45portforconnectingtothePRM‐4200viaadedicated

point‐to‐pointnetworkconnection.TheRemotecommunicateswiththePRM‐4200

throughthis10/100Base‐TconnectionusingtheprovidedCat.5etwisted‐paircable.The

transportandnetworklaye rsareTCP/IP.TheRemoteIPaddressiss

taticallyconfiguredat 

thefactory;nouserinterventionisrequiredfortheRemotetocommunicatewiththe

PRM‐4200.

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Dolby Laboratories 425 Specifications Page 23