Figure 27: Basic - Sound - Audio Calibration - Grandstream Networks GAC2570 User Manual

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Audio calibration: Click to start Audio calibration. It is recommended to run audio calibration when the
changing the environment (new room for instance) when the GAC is installed. Click "Start" to initiate
the audio calibration and follow the instructions.
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Silent mode: Tap on it to turn on/off the sound from speaker when there is an incoming call.
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HDMI: The HDMI interface supports input audio and video content which will be displayed in the
GVC3220 through the media port or wireless projection.
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Media Volume: Adjust the sound volume for media audio
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Alarm Volume: Adjust the alarm ring volume
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Ring Volume: Adjust the GAC2570 ringing volume
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Ringtone: Select GAC2570's ringtone for incoming call.
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Default Notification Sound: Select notification ringtone.
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Default Alarm Sound: Select the alarm ringtone
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Other Sounds: Enable/disable Dial pad Tones, Screen locking sounds, Touch sounds and
Touch Vibration (Haptic feedback for tap, keyboard...).
Figure 27: Basic – Sound – Audio Calibration
GAC2570 User Manual
Version 1.0.1.23
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