About USB Devices

About supported USB memory standards

• Supported file format:

• FAT 12/16/32

• Supported audio format:

• MP3/WMA

• Maximum current:

• 500 mA

• Compatibility:

• USB 1.1/2.0 (MAX transfer rate is equal to USB 1.1)

• Mass memory support:

• USB mass storage (such as an external HDD) is supported.

Supported MP3 file standards

• Supported standards:

• MPEG-1, MPEG-2, and MPEG-2.5

• Supported sampling frequencies:

• MPEG-1: 32, 44.1

• MPEG-2: 16, 22.05, 24

• MPEG-2.5: 8, 11.025, 12

• Supported bit rates:

• 8 to 320 Kbps

• Supported VBR (8 to 320 Kbps)

• Does not support free format.

• Supported channel modes:

• Monaural, Stereo, Joint Stereo, Dual-Channel

• USB hub and multi card reader are not supported.

ID3 tags

MP3 files have an “ID3 Tag” that allows information to be entered so that data such as a track title and artist can be saved.

This receiver supports ID3v. 1.0, 1.1, 2.2, 2.3 and 2.4.

Format of USB memory

The following explains the definitions of these standards.

• Maximum number of directory layers:

• 8 layers

• Maximum number of characters for file names:

• Up to 254 characters (Total of folder name, file name, “.”, and 3-character file extension)

• File name characters that you can use:

• A to Z, 0 to 9, and underscore (_)

• (Range of alpha-numeric ISO-8859-1)

• Max number of files that can be stored in a single memory:

• 3000 files