User Guide

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4.5.5. Other Sounds
If you want to enable Screen looking sounds and Touch sounds, please
go to Other Sounds configuration page to click the correspond sound.
Screen locking sounds and Touch sounds are enabled in default
configuration.
4.6. Audio Settings
To setup the corresponding audio parameters and Volume.
Echo Canceller: To remove acoustic echo from a voice
communication in order to improve the voice quality .
Automatical Generation Control: R73G will auto adjust amplification
circuit gain via signal.
Volume: To configure different types volume for handfree, handset and
headset