User`s manual
27
SecurityandLocking
AfterselectingtheSecurity Sub MenuandpressingENTER,selectoneofthelockty pes,choosingthe
mostappropriateoneforyourapplication.Asever,ENTERwillconfirmyourselection.
User Specific
UponpressingENTERtoselectthistypeoflock,eachparametergroupispresentedinturn.C hoosethetypeof
lock(asabove)usingtheFREQencoder,andpressENTERtoconfirmeachparameter.Afterthelastparameter,
theunitrequestsapassword.Thedescription ofthisoperationisgivenattheendofthissection.
Thisoptionallowstheusertospecify,fo
reachtypeofparameter,whetheritistobecompletelyaccessible
(‘NoLock’),viewablebutnotadjustable(‘Control’),oreffectivelyunavailable(‘Display’).Theabilitytooperate
mutes,storeorrecallmemories,orevenaccessthemenusmayalsobelocke
d.
Xover Only
Allinputparametersareavailable,butonlythegaintrim(+
6dB)isavailableontheoutputs,effectively
lockingallthecrossoversettings.Allmutesremainactive.
Xover + Trim
Allinputparametersavailable,butnooutputparameters–thecrossoversectionsarecompletelylocked.All
mutesremainactive.
Xover + Trim + Mute
Asfor‘Xover+Trim’butadditionally,outputmutesarelocked.Inputmutesremainac
tive.
Changes Only
Allparametersmaybeviewed,butnonemaybeadjusted.Thisappliestobothinputsandoutputs.Allmutes
remainactive.
Changes + Views
Noparametersareaccessible–ineffecttheEDITkeysdonothing.Allmutesremainactive.
Changes + Mutes
Allparametersmaybeviewed,butnonemaybeadjusted.Thisa
ppliestobothinputsandoutputs.Allmutes
arealsolocked.
EVERYTHING
Noparametersareaccessible–ineffecttheEDITandMUTEkeysdonothi ng.
EnteringthePasswordtoCompletetheLockingOperation
Afterselectionofthelocktypefromthelistabove,afour‐digitsecuritycodewillbeaskedfor.Thiscanbe
enteredbyusingtheFREQcontroltoselectacharacter,andtheBACKandNEXTkeystomovetothenext
character.
Alternatively,theEDITkeyscanbeusedtoenteracodebypressinganycombi
nationoftheeightbuttons.
EachEDITkeyrepresentsitschannellabelling,soanycombinationofA,B,C,D,1,2,3,4, 5, 6,7and8canbe
usedasacode,asshownbelow.PressEN
TERtoacceptcodeandthenre‐enterittoconfirm.
Topreventexternalcomputercontrolbeingusedtoadjustlockedsettings,besure
tosettheexternalinterfacetoOFFbeforelockingouttheunit.