Crestron CNX-BF12 Specifikace stáhnout pdf (Strana 77)

EssentialsofCrestronProgramming

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77

routedtotheserialinputonthetouchpanelsymbolat<text‐o2>,correspondingto

indirecttextjoin2,whichwasassignedinVTPro‐e.

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Asubsequentrisingedgeofaninputwillclear<tx$>andtransmitthenewstring,sothat

thecurrentdevicetextwillalwaysbedisplayedonthetouchpanel.

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CNX‐PA

D8ASourceSelection

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IntheVirtualPresentationRoomprogram,eachsourceselectionbuttonisresponsible

forchangingtheCNX‐PAD8Aswitchertothecorrespondinginputsource.Onewayto

accomplishthisistouseanAnalogInitializesymbolwithadigitalinputassignedfor

eachsource.Eachsourceisassignedaparameterwiththecorrespondingswitcherinput

numberoftheCNX‐PAD8A.Thean

alogoutputisthenroutedtotheCNX‐PAD8Ato

performtheswitch.

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TheAnalogInitializesymbolsetsthecurrentstateofananalogsignaltoaspecified

value.Inthesingleoutputform,thesymbolhasmultipledigitalinputsandasingle

analogoutput.Eachinputhasacorrespondingparameter.Ontherisingedgeofadigital

inputtheanalogoutputwilltakeonthevaluespecifiedbythecorrespondingparameter.

TheAnalogInitializediffersfromtheAnalogPresetdiscussedearlier, inthatthela

tter

symbollinearlyrampstheanalogvaluetothetargetvalueinthespecifiedtimeperiod,

whereastheAnalogInitialize“steps”theanalogvaluetothenewvalueimmediately,

withnoramptime.Thisisappropria

teforafunctionsuchassourceselection,which

doesnotrequireasmoothlyrampingtransition(aswithlightingorvolume).

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Whenasymbolmodifiesthevalueofoneofitsanalogoutputs,thesignalconnected

tothatoutputwillholdthenewvalueandretainituntilthatsymboloranothersymbol

changesthevalue.Inthecasewhereasignalhasmorethanonedrivingsource,the

valueonthesignalwillbebasedonthesymbolt

hatchangeditsvaluelast.

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Crestron CNX-BF12 Specifikace Strana 77