Owner`s manual

Owner’s Manual
CP400 & CP700
Commercial Power Amplifier
AtlasSound.com – 4 –
Specifications are subject to change without notice.
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4ELEPHONEs&AX
FRONT PANEL DESCRIPTION
Figure 1
1. Power Switch
 4HISROCKERSWITCHSUPPLIESPOWERTOTHEAMPLIlER!RED,%$LOCATEDABOVETHEPOWER
 SWITCHWILLILLUMINATEWHENTHEAMPLIlERISSWITCHEDON
2. Protect LED Indicators
 4HEAMPLIlERFEATURESSEVERALTYPESOFPROTECTIONCIRCUITRYTOPREVENTDAMAGEDURING
 POWERUPORFAULTCONDITIONS)FANYOFTHESE,%$SILLUMINATEONEOFTHEVARIOUSPROTECTION 
 FEATURESISSAFEGUARDINGTHEAMPLIlER4HEOUTPUTRELAYSWILLDISCONNECTTHESPEAKERLOADSWHEN
 THEPROTECTIONCIRCUITRYDETECTSAFAULTCONDITION
 s Loudspeaker Protection 7HENPOWERISlRSTAPPLIEDTHESPEAKERPROTECTIONRELAYIS 
   OPENPREVENTINGTRANSIENTSFROMREACHINGTHELOUDSPEAKERS!FTERTHEINTERNALPOWER 
   SUPPLIESHAVESTABILIZEDTHERELAYWILLCLOSECONNECTINGTHEAMPLIlEROUTPUTTOTHELOAD 
   4HEYELLOW0ROTECT,%$SWILLILLUMINATEDURINGTHISPOWERUPPROCESS
 s Thermal Protection4HEAMPLIlERPROTECTIONCIRCUITRYMONITORSITSELFFOREXCESSIVE 
   INTERNALOPERATINGTEMPERATURES)NTHEEVENTTHISCIRCUITRYDETECTSABNORMALTHERMAL
   CONDITIONSBLOCKEDCOOLINGFANORHIGHAMBIENTTEMPERATURESTHESPEAKERRELAY
   WILLDISCONNECTTHESPEAKERLOADFROMTHEAMPLIlER/NCETHEINTERNALOPERATING
   TEMPERATUREDROPSBACKTOASAFELEVELTHERELAYWILLCLOSERECONNECTINGTHESPEAKERLOAD
   TOTHEAMPLIlER
 s Short Circuit Protection4HEYELLOW0ROTECT,%$SWILLILLUMINATESHOULDTHEAMPLIlER
    DETECTASHORTCIRCUITONTHEATTACHEDSPEAKERLOADORIFTHELOADIMPEDANCEISTOOLOW 
    7HENTHISCONDITIONISDETECTEDTHEINTERNALSPEAKERRELAYSWILLOPENUPDISCONNECTING 
    THELOADFROMTHEAMPLIlER4HEPROTECTIONCIRCUITRYWILLSTAYACTIVATEDUNTILTHEFAULTIS 
    CLEARED
Note:/NCETHESPECIlCFAULTHASBEENCORRECTEDTHEPOWERMAYHAVETOBECYCLEDTORESETTHE 
 PROTECTIONCIRCUITRY
3. Signal “Status” LED Indicator
 4HEGREENh3TATUSv,%$SWILLILLUMINATEONCETHEINPUTSIGNALHASREACHEDD"6ORHIGHER
PROTECT
LIMIT
SIGNAL
CH-1
PROTECT
POWER
LIMIT
SIGNAL
CH-2
CP700
Commercial Power Amplifier
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