Or repeatedly press TUNING/PRESET 
or 
to manually select a station. The frequency changes by a fixed step (FM: 100 kHz, AM: 10 kHz steps).
Note: During AM reception, PURE STEREO or DSP STEREO appears on the receiver’s display if the stereo mode is selected using STEREO. However, the tuner receives mono and the sound does not change from mono to stereo.
FM MODE
Pressing this button alternates between stereo mode and mono mode.
Stereo
FM stereo broadcasts are received in stereo and FM MODE STEREO appears on the display. If FM broadcasts with weak signal strength are received, the FM muting function works automatically to cut the signals, eliminating loud noise.
Mono
To compensate for weak FM stereo reception, select this mode. Reception will now be forced monaural, reducing unwanted noise.
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