Playing music from IPOD connecting it to WD

The user manual, page 55, says that you simply “plug the iPod into the media player using the USB port and navigate through the interface menu”.  I have not been able to initiate the interface menu when the iPod is plugged in.  There is also a note about the iPod Touch not being a mass storage device and is therefore not supported…I have an iPod touch does this mean music files from the iPod will not play?