RDS (Radio Data System) is a data transmission system gradually being introduced by FM stations in many countries. Stations
using this system transmit an inaudible stream of data in addition to the normal radio signal.
RDS data contains various information, such as AF (Alternative Frequencies for the same program station), PI (Program
Identification), PS (Program Service station name), PTY (Program Type name), etc.
RDS function is carried out among the network stations.
* This unit utilizes PI, PS and PTY to receive RDS broadcast stations.
Displaying RDS data
This unit can be turned into the following two modes to display RDS data.
PS (Program Service station name) mode:
Displays the name of the RDS station now being received instead of the frequency.
PTY (Program Type name) mode:
Displays the program type of the RDS station now being received. There are 15 program types to classify RDS stations as follows.
Short accounts of facts, events and publicly
expressed views, reportage and actuality.
Topical program expanding or enlarging
upon the news, generally in different
presentation style or concept, including
documentary debate, or analysis
Program whose purpose is to impart advice
in the widest sense, including meteorological
reports and forecasts, consumer affairs,
medical help, etc.
Program concerned with any aspect of sport.
Program intended primarily to educate, of
which the formal element is fundamental.
All radio plays and serials.
Programs concerned with any aspect of
national or regional culture, including
religious affairs, philosophy, social science,
language, theatre, etc.
Programs about the natural sciences and
Used for mainly speech-based programs
usually of light-entertainment nature, not
covered by above categories. Examples are:
quizzes, panel games, personality
interviews, comedy and satire.
Commercial music, which would generally be
considered to be of current popular appeal,
often featuring in current or recent record
Contemporary modern music, usually written
and performed by young musicians.
(Middle of the Road Music). Common term to
describe music considered to be “easy-
listening”, as opposed to Pop, Rock or
Classical. Music in this category is often but
not always, vocal, and usually of short
duration (<5 min.)
Classical Musical for general, rather than
specialist appreciation. Examples of music in
this category are instrumental music, and
vocal or choral works.
Performances of major orchestral works,
symphonies, chamber music etc., and
including Grand Opera.
Musical styles not fitting into any of the
above categories. Particularly used for
specialist music, of which Jazz, Rhythm &
Blues, Folk, Country, and Reggae are
RECEIVING RDS STATIONS