Black Box mm146 User Manual page 28

Configuring the Audio Options
26
Screen Size
Press the enter button twice to save the selections and to return to the
3.
Setup Menu.
The Audio Options menu allows you to configure various aspects of the audio sources.
To configure the Audio Options:
menu button, then press the number 5 key to display the Audio
Press the
1.
Options menu.
Press the number 1 key to select Input Source.
2.
Input Source
enter button twice to save the selections and to return to the
Press the
3.
Setup Menu.
Allows you to set the default size of the video viewed on your
TV.
Use the Right or Left arrow keys to select FULL or MEDIUM.
Select FULL for full screen size.
Select MEDIUM for smaller than full screen size. This may be
desirable for some applications using QCIF resolution, as a
smaller active image may be more aesthetically desirable.
Use the Right or Left arrow keys to select Line 1, Line 2 or
Auto or MIC.
Select MIC for the internal microphone.
Select Line 1 for the audio source connected to Audio In.
Select Line 2 for the audio/visual source connected to the
Camera port.
Select Auto for automatic selection. Note that Auto is not
suitable for all instances. For instance, if you are using a
Document camera, you will still want to talk, so select MIC.