Dual MXCP44 - Troubleshooting; Troubleshooting Common Issues; FCC Compliance and Interference Handling

14
MXCP44 WARRANTY
Troubleshooting
Problem Cause Action
Unit will not turn on
(no power)
Yellowwirenotconnectedorincorrectvoltage
Redwirenotconnectedorincorrectvoltage
Checkconnectionsforproper
voltage(11~16VDC)
Blackwirenotconnected Checkconnectiontoground
Fuseblown Replacefuse
Unit has power
(but no sound)
Speakerwiresnotconnected Checkconnectionsatspeakers
Oneormorespeakerwirestouchingeach
otherortouchingchassisground
Insulateallbarespeakerwiresfrom
eachotherandchassisground
Unit blows fuses
Yelloworredwiretouchingchassisground Checkforpinchedwire
Speakerwirestouchingchassisground Checkforpinchedwire
Incorrectfuserating Usefusewithcorrectrating
"SD ERR" or "USB ERR"
appears on display
USBorSDcardcompatibilityissue
Devicecapacitymustbelessthan
32GB.
Filesystemisincompatible-itmust
beFATorFAT32.
FCC Compliance
ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowing
twoconditions:
(1)thisdevicemaynotcauseharmfulinterference,and
(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmay
causeundesiredoperation.
Warning:Changesormodificationstothisunitnotexpresslyapprovedbytheparty
responsibleforcompliancecouldvoidtheuser’sauthoritytooperatetheequipment.
Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassB
digitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovide
reasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.This
equipmentgenerates,usesandcanradiateradiofrequencyenergyand,ifnotinstalled
andusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio
communications.However,thereisnoguaranteethatinterferencewillnotoccurina
particularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioor
televisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,the
userisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowing
measures:
• Reorientorrelocatethereceivingantenna.
• Increasetheseparationbetweentheequipmentandreceiver.
• Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthe
receiverisconnected.
• Consultthedealeroranexperiencedradio/TVtechnicianforhelp.