LG CM4750 User Manual

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MP3/WMA file compatibility with this unit is limited 
as follows.

 

y

Sampling frequency : within 32 to 48 kHz (MP3), 
within 32 to 48 kHz (WMA)

 

y

  Bit rate : within 32 to 320 kbps (MP3),  
40 to 192 kbps (WMA)

 

y

 Maximum files : Data CD : 999 / USB : 2 000 

 

y

 Maximum folders : Data CD : 99 / USB : 200

 

y

 File extensions : “.mp3”/“.wma”

 

y

Certain MP3/WMA files may not be played 
depending on the type or format of the file.

 

y

 CD-ROM file format : ISO 9660/JOLIET

 

y

  We recommend that you use Easy-CD Creator, 
which creates an ISO 9660 file system.

The DTS is not supported. In case of DTS audio 
format, audio is not output.
You have to set the disc format option to 
[Mastered] in order to make the discs compatible 
with the LG players when formatting rewritable 
discs. When setting the option to Live File System, 
you cannot use it on LG players.
(Mastered/Live File System : Disc format system for 
Windows Vista)

 

y

 MP3 Player : Flash type MP3 player.

 

y

  USB Flash Drive :  
Devices that support USB2.0 or USB1.1. 

 

y

  The USB function of this unit does not support 
all USB devices.

 

y

Devices which require additional program 
installation when you have connected it to a 
computer, are not supported.

 

y

Do not extract the USB device while in 
operation.

 

y

For a large capacity USB, it may take longer than 
a few minute to be searched.

 

y

To prevent data loss, back up all data.

 

y

If you use a USB extension cable or USB hub, the 
USB device is not recognized.

 

y

Using NTFS file system is not supported. 
(Only FAT(16/32) file system is supported.)

 

y

This unit recognizes up to 2 000 files. 

 

y

External HDD, Card readers, Locked devices, or 
hard type USB devices are not supported.

 

y

USB port of the unit cannot be connected to PC. 
The unit cannot be used as a storage device.

 

y

Some USB may not work with this unit.