Usl JSD-100 Specifikace Strana 36
- Strana / 51
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Page35
x SlowlyincreasethepoweramplifiergaintofullwhilewatchinganSPLmeterattheRTAmicrophone
position.Donotincreasethelevelabove85dBSPL.
x PushtheXCurvebuttonontheequalizertosettheinitialEQsettings.TheXCurvebuttonadjuststhe
equalizertothe
SMPTE202M1998Xcurvewithoutconsiderationofauditoriumacoustics.Itisa
suggestedstartingpointtoadjusttheroomequalizationtomatchtheXcurvespecifiedinthe
preceedingtable.
x Adjustthegaincontrol(outputtrim)ontheequalizeruntilameasuredsoundlevelof85dBSPLor
82dBSPLforsurroundchannelsispresent.
x AdjusttheRTAgaintoputthemidbandlevelat0dB.
x AdjusttheequalizercontrolstoputeachfrequencybandwithinthelimitsoftheXCurveasshownon
thetableabove.Asdiscussedabove,thedecaytimeshouldbeincreasedformorestableandprecise
measurementasyoucloseinonthefinalequalization.
x Turnoffthegenerator.
x CopytheequalizersettingstothenextchanneltobeequalizedusingtheCopybutton,asdescribed
above.Thenrepeattheprocessforthenextchannel.
LFEEqualizationProcedure
TheLFEorsubwooferchannelusesaparametricequalizerinsteadofagraphicequalizer.WhentheLFEis
selectedintheEqualizerwindow,theparametricequalizeradjustmentsbecomevisible.
x Aswiththeotherchannels,startwiththeamplifiergainallthewaydownandtheequalizergainall
the
waydown.
x Slowlybringuptheamplifiergaincontroltofullwithoutexceeding85dBSPL.
x AdjusttheequalizergaincontrolupuntiltheRTAshowsthesubwooferatthesamelevelasthemid
bandfrequencies(0dB).
x Adjusttheparametricfilterfrequencytothecenterofthe
worstpeakordipinthefrequency
response.
x SettheQto4,andthenadjustthelevelcontroltotakeoutthediporpeak.TheQcanbeincreasedto
narrowthecorrectionorreducedtomakethecorrectionwider.Adjustthelevel,frequency,andQ
forthe
bestlowfrequencyresponse.
x SelecttheoutputtabandclickGeneratorunderthecenterchannelslider.Atthispoint,thepinknoise
generatorshouldbedrivingboththeLFEandcenterchannels.Selecttheequalizertabagain.
x AdjusttheLFEgainandmakeminoradjustmentstotheLFEparametricfiltertogetasmooth
frequencyresponseoverthetransitionintotheLFEfrequencyrange.Itmaybenecessarytoflipthe
phaseoftheLFEspeaker.ThephasecanbechangedontheOutputstabusingtheInvertbutton
undertheLFEoutputlevelcontrol.
x Finally,ontheequalizertab,adjusttheLFEgainsotheLFEis10dBabovethemidrangefrequencies.
OutputsTab
Theoutputstabprovidesamethodoftrimmingtheoutputlevelofeachaudiochannel,mutingthechannel,
invertingthephase,ordrivingitwithagenerator(pinknoise,tone,oratonesweep).Thesecontrolsare
generallysetonebyonefromtheEqualizertab.Thistabmakesallthesettingsvisibleatonce.
GlobalTab
Globalsettings,thosethatdonotchangewithformatorEQset,aresetordisplayedhere.Underthistab,the
currenttimesettings,sleep
settings,status,andsurrounddelaycanbeobserved.Inaddition,thesleep
settingsandsurrounddelaycanbeset.
- Film-Tech 1
- JSD100Manual 2
- OneYearLimitedWarranty 3
- TableofContents 4
- 1. SafetyNotice 5
- 2.RegulatoryCompliance 6
- 3. SystemOverview 10
- 4. Specifications 11
- Page11 12
- 5. Installation 13
- Page13 14
- Page14 15
- Page15 16
- Page16 17
- Page17 18
- Page18 19
- Page19 20
- Page20 21
- Page21 22
- Page22 23
- Page23 24
- Page24 25
- Page25 26
- Page26 27
- Page27 28
- Page28 29
- Page29 30
- Page30 31
- Page31 32
- Page32 33
- Page33 34
- Page34 35
- Page35 36
- Page36 37
- Page37 38
- Page38 39
- Page39 40
- Page40 41
- Page41 42
- Page42 43
- Page43 44
- Page44 45
- 7. ProductSupport 46
- 8. AppendixA 47
- Page47 48
- 9. AppendixB 49
- Page49 50
- USL,Inc. 51
- 181BonettiDrive 51
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