Glossary
Glossary
AF – Alternative frequency
The range of FM stations is limited. For this reason, FM programmes are distributed to different frequencies. The AF RDS service sends these frequencies to the tuner. If the reception deteriorates because the vehicle leaves the reception area of a frequency, the tuner can automatically change to the best receivable frequency.
Browser, Browse mode
A special display that allows you to navigate through the folder structure of a data car- rier and to select files (e.g. music tracks, playlists, wallpapers).
EON – Enhanced Other Network
In case of a traffic announcement, the de- vice switches over from a
Quality factor Q
It determines the filter quality of the equal- izer, i.e. the edge steepness and filter band- width, dependent upon the characteristic frequency.
ID3 tags
ID3 tags contain additional information for MP3 files (e.g. artist, title, album, genre, year).
MP3, WMA
MP3 and WMA are audio data formats that allow for high compression with little loss in quality.
Playlist
Playback list for MP3 or WMA files In playl- ists, you determine the order in which cer- tain titles should be played. They are creat- ed with an MP3 manager, such as WinAmp or Windows Media Player.
PTY – Program Type
The device searches only for stations with the previously selected programme content (e.g. news, rock, pop, sports, etc.).
Radio text
Text messages transmitted by an RDS sta- tion in addition to music and voice contri- butions.
RDS – Radio Data System
RDS is a service of the radio stations. Besides the conventional music and voice contributions, additional information is broadcast in the form of encrypted digital signals which can be analysed by the device (e.g. station name). The RDS services are not supported by all radio stations!
REG – Regional
Some radio stations divide their pro- grammes into regional programmes with different contents at certain times. With the RDS function Regional, the tuner only changes to alternative frequencies of the set stations that broadcast the same re- gional programme.
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