2007 Saturn Ion Owner's Manual - Page 205

O (Power/Volume): Turn this knob clockwise to increase or counterclockwise to decrease the volume of the portable player. You may need to do additional volume adjustments from the portable device if the volume does not go loud or soft enough. BAND: Press this button to listen to the radio when a portable audio device is playing. The portable audio device will continue playing, so you may want to stop it or power it off. CD/AUX (CD/Auxiliary): Press this button to play a CD when a portable audio device is playing. Press this button again and the system begins playing audio from the connected portable audio player. If a portable audio player is not connected, "No Input Device Found" displays. Using an MP3 MP3 CD-R or CD-RW Disc The radio plays MP3 files that were recorded on a CD-R or CD-RW disc. The files can be recorded with the following fixed bit rates: 32 kbps, 40 kbps, 56 kbps, 64 kbps, 80 kbps, 96 kbps, 112 kbps, 128 kbps, 160 kbps, 192 kbps, 224 kbps, 256 kbps, and 320 kbps or a variable bit rate. Song title, artist name, and album can display when recorded using ID3 tags version 1 and 2. Compressed Audio The radio also plays discs that contain both uncompressed CD audio (.CDA files) and MP3 files. By default the radio reads only the uncompressed audio and ignores the MP3 files. Pressing the CAT (category) button toggles between compressed and uncompressed audio format. 205