TechniSat TECHNIRADIO 6 IR Instruction Manual page 130

You can also save stations to one of the One-Touch buttons 1...4 by holding
down the corresponding button for a bit longer.
11.4 Retrieving favourites
> To retrieve a station that you have stored in the FAV memory, briefly press the
5+ button and select a station slot (1-20) using the SELECT knob. Press the
SELECT knob to play the station.
If no station is saved in the selected station slot, [(empty)] appears on the
display.
Alternatively One-Touch button 1...4 can also be pressed.
11.5 Overwriting/deleting a station memory slot
> Simply save a new station in the respective memory slot as described.
When retrieving the factory settings all memory slots are deleted.
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