Sony NYSNO-10 Help Manual page 58

If no ring tone is heard from the main unit
The main unit may not be connected with the smartphone or mobile phone with HFP or HSP. Check the connection
status on the smartphone or mobile phone.
Press the +/- (volume) button on the remote control to adjust the volume.
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When the volume reaches the maximum or minimum, an alarm sounds.
To end the call, press the
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If you received a call during music playback, music playback resumes automatically.
To turn down the volume at once (Attenuate)
Press the ATT/EQ (Attenuate/Equalizer) button once.
To return to the original volume, press the button again, or press the + (volume) button on the remote control.
Hint
Some smartphones or mobile phones by default receive calls with the phone instead of the main unit. With an HFP or HSP
connection, switch the call device to the main unit by pressing and holding the
remote control for more than 2 seconds or by using your smartphone or mobile phone.
Volume for a call can be adjusted during a telephone conversation only.
Volume during a call and volume during music playback can be adjusted independently. Changing the call volume does not
change the volume of music playback, and vice versa.
Note
Depending on the smartphone or mobile phone, playback may not resume automatically even after you finish the call.
Use a smartphone or mobile phone at least 50 cm (19 3/4 in.) away from the main unit. Noise may result if the main unit and the
smartphone or mobile phone are too close.
Related Topic
How to make a wireless connection to BLUETOOTH devices
Making a call
Functions for a phone call
/ (Answer, Play/Pause) button on the remote control.
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/ (Answer, Play/Pause) button on the