AVer H300 user manual - Manual (Page 45)

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ENGLISH
To Enable/Disable keypad tone
1. Select Setting > System Settings > Video/Audio and press .
2. Select Keypad Tone check box and press
. This will enable/disable to hear the
tone sound when you are dialing the
number using the remote control.
To Adjust the Mic Gain Level
1. Select Setting > System Settings > Video/Audio and press .
2. Select Mic Gain Level and press .
Select from the mic gain level up to 9.
H300/H100 allows you to adjust mic gain
level for the proper MIC volume and this will
help to get better reception on MIC.