Specifications

Page46
8. AppendixA


AutomationCommands
ThesecommandsareusedtoquerythestatusoftheJSD100orchangeitsoperation(adjustlevel,select
input,etc.).Thecommandsaretypicallysentbyanautomationsystem.TheymaybesentoverRS232or
Ethernet.Thisisasubsetofthefullcommandset.Thefullcommandsetincludescommandsforadjust
equalization,etc.CommandsarenotechoedbytheJSD100.Commandsareterminatedbyacarriagereturn
(0x0d).Commandsaretabdelimited.Thereneedstobeatabcharacter(0x09)betweenthecommandand
thefirstparameter,thenanothertabbeforethesecondparameter,
etc.TheJSD100respondstoevery
command.Responsesarealsotabdelimitedandareterminatedwithacarriagereturn.Allcommandsare
lowercaseandarecasesensitive.Note:
Everycommandgeneratessomesortofresponsethatmustbe
pickedupbythecommandsender.FailuretopickuptheseresponsescancausebuffersintheJSD100orthe
hosttofill,possiblyhaltingcommunications.Iftheresponseisnotneeded,asimple"eatgarbage"routinethat
loopsuntilthereceivebufferisemptyshouldbecalledbeforesendingacommand.

RS232
TheJSD100isaDCEdevicethattransmitsonpin2ofthe9pinDconnector.TheJSD100receivesdataonpin
3.Communicationsisat38.4kbps,8N1(8databits,noparity,1stopbit).

Ethernet
TheJSD100listensonport10001forTCPconnectionsfromotherequipment(typicallyadigitalcinema
server).CommandsandresponsesarethenexchangedinASCII.

AutomationCommandList
TheAutomationCommandListshownintablebelow:

Command Response Description
jsd100.sys.fader700 700
Setsorreadsthecurrentfaderlevel.Ifaparameterisprovided,the
mainfaderissettothecorrespondinglevel.Theparameteristhe
faderleveltimes100.Inthisexample,thefaderissetto7.0.Ifno
parameterissupplied,thefaderlevelisnotchanged.Thecommand
alwaysreturnsthecurrentfaderleveltimes100.Ifthecommand
changedthefaderlevel,thenewlevelisreturned.
jsd100.sys.fader_rel50 50
Makesarelativeadjustmenttothecurrentfaderlevel.The
parameteristherelativeadjustmenttimes100.Intheexample,
thefaderlevelwasdecreasedby0.5(perhapsfrom7.0to6.5).The
relativeadjustmentthatwasmadeisreturned.
jsd100.sys.input_mode4 4
Selectsorreadstheinputformat.Ifaparameterissupplied,the
JSD100isswitchedtothisinput.Intheexample,inputmode4,
correspondingtobutton4onthefrontpanel(Digital16Channel)is
selected.Ifnoparameterissupplied,nochangeismadeto
the
currentinputmode.Thecommandalwaysreturnsthecurrently
selectedinputmode.Ifaparameterwasprovided,thenewinput
modeisreturned.Ifnoparameterwasprovided,thecurrently
selectedinputmodeisreturned.