THOMSON SEREA75BLK Manuel D'utilisation page 90

or several times the Volume + side key. Simply
press the same key one more time to activate
the Audio Boost function. The below message
will appear on screen.
To cancel the Audio Boost function, simply
press the Volume – side key.
This feature only works with the device's
receiver. It cannot be used with a handsfree
earset.
Remember to keep the volume as low as
possible. The feature is automatically disabled
once the calling time exceeds 10 minutes.
Press the Volume + key again to re-activate
the function.
You can choose to disable the function by
default. From the menu, go to Settings then
Calls > Advanced settings > Audio Boost.
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