Sangean RCR-3 (R2) - Manual (Page 13)

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Setting up the tuning step increment
1. Press and hold the INFO/MENU button to enter the menu setting
when the radio source is in AM/FM mode.
2. Press the TUNING up or down button until FM xxkHz or AM xxkHz
appears on the display, and press the BAND/SELECT button to
enter the step increment setting.
3. Press the Tuning up/down button to select 50kHz/00kHz for
FM radio, and 9kHz/10kHz for AM radio. Then press the BAND/
SELECT button to confirm the setting.
Note:
If the unit is bought in Russian areas, FM step options will be
50kHz/0kHz.
Display modes - FM
Your radio has four display modes for FM radio. These data
provided by broadcasters which is commonly known as RDS.
The Radio Data System (RDS) is a system in which inaudible
digital information is transmitted in addition to the normal FM radio
programme.
RDS offers several useful features. The following are available on
your radio:-