Kenwood KRFV7200D User Manual

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Playable USB device and files
USB device
USB device
• Playable USB device 
   Flash memories and digital audio players which work as mass-
storage-class devices.
The maximum current drain should be no more than 500mA.
• Playable USB device file system
 FAT16, 
FAT32
• Applicable memory
  FAT32 : 256MB or larger
FAT16 : 128MB or larger
• Subclass
 SCSI
•  Limitation of structure for the file and the folder
   Maximum number of directory levels: 8
Maximum number of folders: 700 
Maximum number of files: 65535
Notes:
•  Take backups of the audio files used with this unit. The files can 
be erased depending on the operating conditions of the USB 
device. 
We shall have no compensation for any damage arising out of 
erasure of the stored data.
•  Using an unsupported USB device can result in abnormal 
playback or display of the audio file. 
Even if you use the USB device conforming to the above specs, 
audio files cannot be played normally depending on the type or 
condition of the USB device.
Audio file
Audio file
• Playable Audio file
   MP3 (.mp3), WMA (.wma), AAC (.m4a)
• Playable MP3 file
  Format:  
 MPEG 1 Audio Layer 3, MPEG 2 AUDIO 
LSF (Low Sampling Frequency) Layer 3
 Extensions: 
".mp3"
  Transfer bit rate (MPEG 1 Audio Layer 3):
 
 32/ 40/ 48/ 56/ 64/ 80/ 96/ 112/ 128/ 160/ 
192/ 224/ 256/ 320 kbps/ VBR
  Transfer bit rate (MPEG 2 Audio LSF Layer 3):
 
 8/ 16/ 24/ 32/ 40/ 48/ 56/ 64/ 80/ 96/ 112/ 
128/ 144/ 160 kbps/ VBR
  Sampling frequency (MPEG 1 Audio Layer 3):
 
32/ 44.1/ 48 kHz
  Sampling frequency (MPEG 2 Audio LSF Layer 3):
 
16/ 22.05/ 24 kHz
• Playable WMA file
   Format:  
 The file in accordance with Windows 
Media Audio 9.2 
 Extensions: 
".wma"
  Transfer bit rate: 
(CBR) 48 – 320 kbps, (VBR) Peak 384 kbps
  Sampling frequency:  32/ 44.1/ 48 kHz
• Playable AAC file
  Format: 
 MPEG-4/AAC LC (Low Complexity), 
MPEG-2/AAC LC (Low Complexity).
 Extensions: 
 
".m4a"
  Transfer bit rate:  
8 – 320 kbps
  Sampling frequency:   8/ 11.025/ 12/ 16/ 22.05/ 24/ 32/ 44.1/ 48 
kHz
Notes:
•  WMA files which cannot be played with this unit:
– WMA 9 series Professional
– WMA 9 series Voice
– WMA 9 series Lossless
–  WMA file which contains video
•  The files with copy protection cannot be played.
•  The unit may not be compatible with upgrade of compression 
format standard and additional specifications.
•  This unit can display the following versions of ID3 tag: 
version 1.0/ 1.1/ 2.2/ 2.3
B60-5678-00_00.indd   25
B60-5678-00_00.indd   25
07.6.22   0:52:12 PM
07.6.22   0:52:12 PM