GRASS VALLEY INDIGO, User Manual

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64 INDIGO AV Mixer User Manual
Section 5 — Basic Operation
5.4 Audio Processing
This section shows you how to process and mix audio signals with the
INDIGO AV Mixer .
Audio Follow Video
You can assign one or more audio channels to a video channel (see Audio
Follow Video on page 133).
Thus, when this video channel is selected, the assigned audio channels are
selected automatically. The audio channels’ volume levels can be adjusted
for On Air and Off Air .
To assign an audio channel to a video channel:
1.
Select the SETUP main menu.
2. Select the
AUDIO
submenu.
3.
Press Follow Video .
4. If required, press
AVF Enable
to display the Video Sources .
5.
Select the desired video channel from the Video Sources list.
6. Press the
Audio Source
button to display the Audio Sources list.
7.
Select the desired audio channel from the Audio Sources list.
8. Press the
Level-Set
button.
9.
Use the two faders of the small area next to the Audio Sources list to
adjust the audio levels for On Air and Off Air .
You may also use the Digipots to adjust these values for the selected
audio source.
10.
If required, repeat steps 7 to 9 to assign further audio sources.
Note Activated (enabled) video and audio sources are displayed as green entries
within the lists.
5.4.1 Mic Inputs
The INDIGO AV Mixer includes four LINE/MIC IN mono inputs to feed
in microphones or line levels.
If required, switch on phantom power (+48 V DC) for microphones. This
can be activated separately for inputs 1/2 and 3/4.