Sangean RCR-4 Instruction Manual page 14

FM RDS
The Radio Data System (RDS) is a system in which inaudible
digital information in addition to the normal FM radio program
is transmitted. Under FM band, it provides functions such as Clock
Time, Program Type, Program Service and Radio Text message.
* The information display is only available when the station
provides R.D.S service.
1. When turn into FM station which provides RDS, the display
will show "RDS".
2. Touch INFO key, to cycle through the various modes, and wait
for 2 seconds to see the information. The order of the modes is
Frequency Program Service
Clock Time Frequency
1. Frequency: Displays frequency of the station.
2. Program Service: Displays name of station.
3. Program Type: Displays the program type.
4. Radio Text: Displays ratio text messages such as news
items etc.
5. Clock Time: Displays the current time provided by the station.
Touch SET key to correct your clock with the Clock Time.
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Program Type Radio Text