About USB devices

Playable USB Memory Standards

• Supported USB devices:

• Max storage size: 4 GB

• Supported file format:

• FAT 16/32

• Supported audio format:

• MP3

• Maximum current:

• 500mA

• Compatibility:

• USB 1.0/1.1 (The MAX transfer rate is 12M bps for USB1.1.)

• Mass memory support:

• USB mass storage (such as an externally attached HDD) is not supported.

Playable MP3 File Standards

• Supported standards:

• MPEG-1, MPEG-2, and MPEG-2.5

• Supported sampling frequencies:

• MPEG-1: 32, 44.1, 48

• MPEG-2: 16, 22.05, 24

• MPEG-2.5: 8, 11.025, 12

• Supported bit rates:

• 8 to 320K bps

• Supported VBR (64 to 320K bps)

• Does not support free format.

• Supported channel modes:

• Monaural, Stereo, Joint Stereo, Dual-Channel

ID3 Tags

MP3 files have an “ID3 Tag” that allows input of information 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 directory layers:

• 8 layers

• Maximum 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 (_)

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

• 2000 files