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Audio Inputs and Levels
These Audio Input Channel Selectors and Level pots are the first stage in the audio signal path. Each channel
carries the audio associated with a video input. Analog audio comes in through the RCA connectors on the rear
panel; audio from the XLR input is converted to analog and passed to this bus.
A+V
When this button is active, the audio follows the video through a transition. When the transition is a cut, the audio
will switch abruptly at the same time.
Try this: With A+V engaged, select channel B on the Main Source bus (of course, you must have a valid video and
audio source at this input!). Notice that channel B is lit in the Audio Input section. Now, select channel A on the Sub
Source bus. Work the T-Bar to manually perform a transition (if no specific transition is selected, the sources will
dissolve) and watch Audio Input Source channel change from B to A, following the video.
When this feature is not engaged, you can select which of the 4 Audio input channels will be applied to the Video
bus at the Fader. In fact, you have to select one or more of the channels, or there will be no audio present at the
Video bus.
This button should be inactive while doing beginning-of-session level setting so that you can select an input and
adjust the level.
Video Source
Selecting the Main and Sub Video Sources is the first thing to do when setting up the SE-600.
The source you select (by pressing one of the buttons; a bright red LED on the selected button lights for
confirmation) on the Main Source bus is what is sent to the Video output. This means that you can perform cuts
between sources by simply pressing different buttons. (If A+V is engaged, video and audio from the selected source
will switch together. See A+V for more details on this function.)
The Sub Source selection determines which input will be transitioned to when using any of the transition controls
and provides the video for Picture in Picture and Chroma Key functions.
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