Sangean U4 (R1) - Manual (Page 19)

8
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Playing audio files in Bluetooth mode
When you have successfully connected your radio with the chosen
Bluetooth device you can start to play your music using the controls
on your connected Bluetooth device.
. Once playing has started adjust the volume to the required
setting using the Volume control on your radio or on your
enabled Bluetooth device.
2. Use the controls on your device to play/pause and navigate
tracks. Alternatively, control the playback using Play/Pause
, Next track , Previous track buttons on the
radio.
Note:
1) That not all player applications or devices may respond to all of
these controls.
2) Some mobile phones may temporarily disconnect from your
radio when you make or receive calls. Some devices may
temporarily mute their Bluetooth audio streaming when they
receive text messages, emails or for other reasons unrelated to
audio streaming. Such behaviour is a function of the connected
device and does not indicate a fault with your radio.