User`s manual

9
FrontPanelFamiliarisation
LCDScreen:Shows,bydefault,thenameof
thelastrecalledmemoryonthebottomline
ofthescreen,andthecurrentroutingonthe
topline.Alsousedtoshowallparametersas
theyareedited,andallmenuselections.
ControlKeys:Selectionandadjustmentofparameters.
NEXTkeymov
esforwardthroughlistofparameters.
BACKkeymovesbackwardsthroughlistofparameters.
MENUkeyactivatesthemainmenuasecondpressselects thelastmenueditedathird
pressselectsthelastmenuitem.Inthisway,threepressesonMENUfromthedefault
screenwilljumpbacktothelastparam
eteradjusted.Selectionofdifferentmenusis
accomplishedusingtheBACKandNEXTkeys,orwiththeFREQencoder.
ENTERkeyentersthechosenm enu,confirmsselections,andchangesfiltertypes
wheneditingparametricsections.
BYPASSwillflattenthecurrentlyselectedparametricsections.Notethat,forsafetyreasons,itisnot
possibletobyp
assthehighandlowpassfiltersections.
QUITexitsmenusbacktothedefaultscreen.
RotaryEncoders:Threevelocitysensitiveencodersadjusttherelevant
parametersasdisplayedonthescreen.
StatusLEDs:Thetwo status LEDsshowAESinputsselected(flashingifnot
locked);ER
Rifsomeerroroccurinthedigitalinputssection
InputSections:Controlandmonitorinputsignalpaths.
RedMUTE buttonsilluminatewhenpressedandmuteaudioforthatchannel.
EDITbuttonsilluminateyellowwhenpressed, andaccessgainonfirstpress,
thenlastviewedparameteronsecondpress,thenex
itonthirdpress.
InputmetersshowdBfromclippingpointoftheanaloguetodigital
converters.Yellow(0 dB)LEDilluminates3dBfromclipping.RedCLIPLED
mayilluminateindependentlyfromtherestofthemetertoshowdigitaloverflow.AllfourCLIPLEDs
illuminatingindicatesinter
nalclippingaftertheADC.
OutputSections:Controlandmonitor
outputsignalpaths.
RedMUTE buttonsilluminatewhen
pressedandmuteaudioforthat
channel.
EDITbuttonsilluminateyellowwhen
pressed,andaccessgainonfirstpress,
thenlastviewedparameteronsecondpress,thenexitonthirdpress.OutputmetersshowdBfrom
limiting.Th
eyellowLEDilluminatesattheonsetoflimiting.TheredLEDilluminatesat4dBintoli miting
(i.e.4dBofgainreduction).