L-Acoustics LA4 User Manual

Also see for LA4: Owner's manual User manual User manual

L-Acoustics LA4 User Manual Manual pdf 43 page image

LA4_UM_EN_1.3.0.32a w w w . l - a c o u s t i c s . c o m 414141418.3.1 No power, no sound, or sound level too lowLCD screenlit?Main screendisplayed?Signal LEDblinking?Outputsmuted?Signal inputpresence? **Output gaintoo low? *screenDisplayedmessage onscreen?Speakercablesconnected?L-NET LEDlit?The controller is in StandbyMode and controlled by LANETWORK MANAGERsoftware (see section 7.3.6)Reboot the controller byswitching it off and on again tocancel the Standby ModeCheck if AC outlet works,connect the AC plug,switch the power on.Contact a local distributorfor serviceCheck speaker cablesand/or speakersPlug speaker cables on both sidesUnmute the outputsCheck level at signal sourceand secure XLR wiring onboth sidesSet output gain higher valueContact a localdistributor forserviceYesYesYesYesYes YesYesYesNoNoNoNoNoNoNoNoNo* Press and hold either OUT 1 to OUT 4 keysto check the corresponding output gainvalues (see section 7.1.2).** Press and hold either IN A or IN B keys tocheck if the corresponding input signal LEDare blinking or not (see section 7.5.3).Any other message displayed(see section 7.6)Message ‘‘STANDBY MODE’’displayed and 4 LOAD LED litYesPowerswitch on, AC plugconnected, AC outletworking?NoYesFirmware beingupdated?NoWait 4 minfor theupdatingsequence tobe completedYesNo power, nosound, or soundlevel too low