Usl JSD-100 Dokumentacja Pobierz pdf (Strona 49)

Page48

9. AppendixB

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SystemRestore

TheJSD100hasseveralmethodsofrecoveringfromanunlikelyfailure.Thesearedetailedbelow.

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BypassMode

WhentheJSD100mainpowerswitchisoffandthebypasspowersupplyispluggedin,independentbypass

circuitrycreatesamonosumoftheselectedanalogordigital

inputaudioandroutesittotheleftandright

outputs.AquickwayofrecoveringfromasystemfailureistoturntheJSD100off.

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RestoreFactoryFirmware

Ifafirmwareupdateofthemain(PIC)processerisinterrupted,itispossibletoleavethesysteminoperable.To

restorethefactoryinstalledfirmware,turnofftheJSD100,thenholddownbuttons4and6(Digital16

ChannelandUser2)whileturningthepowerbackon.ThefrontpanelLEDswillstartflashing.Releasethe

buttonswhentheLEDsstartflashing.WhentheLEDsstopflashing,thesystemwillrestartwiththeoriginal

firmware.Theinterruptedfirmwareupdatecanthenberepeated.

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LoadConfigurationfromSDCard

TheSDcardisusedasa"personalitymodule"intheJSD100.ShouldaJSD100bereplaced,allthesaved

settingsfromtheoldunitcanbeeasily

loadedintothenewunitwithouttheuseofacomputer.These

settingsweresavedduringtheinitialconfigurationusingtheBackupbuttonontheGUI.Torestorethe

settingstoanewJSD100,insertthecardfromtheoldunit(behindtheremovablecoverontherearpanel)

in

thenewunit.WiththeJSD100off,holddownbuttons9and10(AUXandMIC)downwhileturningonthe

power.Continuetoholdthebuttonsabout30secondsuntilthedisplaysays"LoadingfromSDcard."The

configurationwillbeloadedandcopiedtotheinternalnonvolatilememory.TheJSD100isnowconfigured

thesameasthepreviousunit.Anyerrors(missingcard,missingfile,etc.)arereportedonthedisplay.

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Usl JSD-100 Dokumentacja Strona 49