Usl JSD-100 Spécifications télécharger pdf (Page 29)

Page28

Note:Worldwidetimezonesmaybeviewedatthefollowingwebsites:



http://www.timeanddate.com/library/abbreviations/timezones/

http://en.wikipedia.org/wiki/List_of_time_zones_by_UTC_offset

x ChannelConfig.TheJSD100containsprocessingcircuitryforbothLC/RCandBSL/BSRaudio

channels,butonesetortheotherisconvertedtoanalogtodrivetheamplifiers.Selectthe

appropriatesettingbasedonhow

theauditoriumiswired(withstage(LC/RC)orex(BSL/BSR)

amplifiersandspeakers.



x Headroom.Theheadroomsettingadjuststhesystemgainsothenominallevelisaspecifiednumber

ofdBbelowthedigitalclippinglevel(0dBFS).Generally,headroomissetat26dB.Ifseveralbandsof

equalizationaresettohighlevelsofboost,youmaywishtoincreasetheheadroomtoavoidclipping.



x Backup.PressingthisbuttonwritesthecurrentconfigurationtotheSDorMMCcardpluggedin

behindtheremovablepanelontherearoftheJSD100.Ifthecoverisremoved,youwillseeared

LEDtotheleftofthecardlightasthecardiswritten.AbackuptotheSDcardcanfailifnocardis

present,ifthecardiswriteprotected,orifthecardisnotformattedcorrectly(FAT16orFAT32).The

data

writtenonthecardisaseriesofcommandsinatextfile(JSD100.CFG).IfaJSD100needstobe

swappedout,theSD/MMCcardcanbemovedfromtheoldunittothenewunittocopyalltheold

settingstothenewunit.ToloaddatafromtheSD/MMCcard,holddownbuttons9and10(AUXand

MIC)whenturningtheJSD100mainpowerswitchon.Continuetoholdthebuttonsdownuntilthe

displaysays“LoadingFromSDCard.”Thedisplaywillshowtheprogressoftheloadandthenreturn

tothenormaldisplay.



MainFader

Thecurrentmainfaderlevelcanbeviewedandchangedusingtheslider.Theseareequivalenttothefront

panelmainfaderknobanddisplay.Thefaderleveldisplayalsoshowsasmallbargraphthatdisplaysthe

measuredoutputleveloneachchannel.



FrontPanel

View

BelowtheabovedescribedbuttonsisaviewoftheJSD100frontpanel.WhenconnectedtotheJSD100,this

viewduplicatesthelookofthefrontpanel.Inaddition,thebuttonscanbepressedtochangeformatormute

USTimeZone UTCOffset StandardTimeAbbreviation DaylightSavingsTimeAbbreviation

Alaska 9:00 AKST AKDT

Central 6:00 CST CDT

Eastern 5:00 EST EDT

Hawaii

Aleutian

10:00 HAST HADT

Mountain 7:00 MST MDT

Pacific 8:00 PST PDT

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Usl JSD-100 Spécifications Page 29

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