Dual XR4120 Car Stereo System User Manual


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10
XR4120 OPERATION
USB / SD Card Operation
•Maximumnumberoffiles:1024
•Maximumnumberoffolders:512
•Maximumnumberoffolderlevels(subfolders):8
Note:Ifthenumberoffiles/foldersexceedsthemaximum
outlinedabove,theadditionalfiles/folderswillbeignored.
Note: Devicesthatexceedthemaximumnumberoffilesor
foldersmaynotfunctionproperly.
DuetothedifferencesofUSBdevices,somedevicesmay
notbecompatible.USBdevicesmustbe‘massstorage
class’andformattedtotheFATorFAT32filesystemin
ordertoensurecompatibility.USBdevicesmustbe32GBor
smallerincapacitytobecompatible.
OnlyMP3fileswithfilenameextension(.mp3)canbeplayed.
OnlyWMAfileswithfilenameextension(.wma)canbe
played.Donotattempttoplaynon-MP3/WMAfileswiththe
MP3/WMAextension.
8kHz~48kHz
8kHz~48kHz
8kbps~320kbpsconstant
Variable bit rates
8kbps~384kbpsconstant
Variable bit rates
Note:Somefilesmaynotplayorbedisplayedcorrectly,
dependingonsamplingratesandbitrates.
ID3tagsVersion1.0to2.0
Note:IfaninvalidID3tagversionisdetected,"NO
SUPPORT"willscrollonthedisplay.
Playback Capacity
USB Device Compatibility
Additional MP3/WMA 
Information
Sampling Frequency 
Rates
MP3
WMA
Transfer Bit rates
MP3
WMA
MP3 Tag Display
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