4.3 Advanced AlphaCom Settings
● Select Advanced AlphaCom to access the page for conguring
parameters for audio, I/O settings, OLED labels, address book,
sound detection.
4.4 Audio Settings
To congure audio settings:
● Select Advanced Alphacom > Audio from the menu
● Select or set values for the parameters:
- Microphone Sensitivity
- Automatic Volume Control
- Debug Automatic Volume Control
- Conversation Mode
- Audio prole
- Line Out Source
Microphone Sensitivity
- Select the sensitivity level in the range 0 to 7 from the drop-down
box. The default setting is 5.
Automatic Volume Control
- Check the box to enable automatic volume control that is adjusted
according to the noise level
Debug Automatic Volume Control
- Check the box to show current volume level on OLED display
Conversation Mode
For this parameter, there are ve options:
- Full Open Duplex: Normal mode with echo cancellation
- Robust Duplex: Option used when open duplex fails due to
excessive speaker loudness, microphone overload or very high
nonlinear distortions.
- Half Duplex Switching: Switches speech direction depending on
who speaks the loudest
- Push-To-Talk: Half-duplex communication. Initially the microphone
is shut off. Push the M-button to open the microphone, and release
to listen. (Only applicable to TCIS-1 station)
- Open: Full Open Duplex without echo cancellation
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