18
XDMA550BT OPERATION
USB Operation 
Maximumcharacterdisplayinformation
•Trackname–32charactermaximum
•Directoryname–32charactermaximum
•*Songtitle–32charactermaximum
•*Artistname–32charactermaximum
*Songtitleandartistnamewillonlybedisplayedif included
withtheMP3/WMAfile.
Thefollowingtypesoffilesarecompatible:
•MP3data
•WMAdata
Thefollowingtypesoffilesarenotcompatible:
•WMAfilesthatareprotectedbyDRM(DigitalRights  
 Management).
•WMAlosslessformat
•MP3PROformat
•MP3playlists
•WAVformat
MP3/WMAplaybacksequenceisbasedonorderthefiles
arecopiedtotheUSBdeviceandbeginsinthe rootfolder.
AnyemptyfoldersorfoldersthatdonotincludeMP3/WMA
filesareskipped.Dependingonyoursoftware,theplayback
ordermayvary.
•Maximumnumberoffiles:50,000
•Maximumnumberoffolders:255plustherootdirectory
•Maximumnumberoffilesineachfolderandroot: 50,000
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.
Character Support
Media Compatibility
Playback Order
Playback Capacity
USB Device Compatibility