52
Operation
Operating Concepts
Breakaway
Routes can be all-level in which case they are taken on all levels defined for the destination. The
acceptable sources for a route have the same levels as, or some configured mapping to, the
levels of the destination.
A breakaway can occur in X-Y mode. A breakaway is where you take different sources to the
same destination
—
on different levels.
It is not possible to take different sources to the destination on the same level. For instance, you
cannot take SD from two different sources. The outcome would be noise even if you could do it.
(That is because routers are not mixers.)
Level Grouping
Virtual levels can be grouped. This diagram illustrates grouping:
There are two types of virtual levels: basic and abstract. Basic virtual levels are those that
correspond to actual physical levels. Abstract virtual levels do not correspond to physical levels.
In the illustration, the 5 “Aud
x
” levels are grouped under ‘Mono’. The two AES levels are grouped
under AES. The two video levels are grouped under ‘Video’. The groups ‘Mono’ and AES are also
grouped under ‘Audio’.
The levels ‘Video’, ‘Audio’, ‘Mono’, and ‘AES’ are abstract levels; the other levels (e.g., HD) are basic
levels.
If you have chosen a destination whose basic levels are grouped, the panel’s display can show
either the top abstract levels or it can show the basic (or bottom-most) levels.
A ‘Virtual Levels Expand’ button, if your panel has one, will cause the display to show the desti-
nation’s basic levels. (Depending on the level set, those in the example would include one or
more of HD, SD, Aud1, Aud2, Aud3, Aud4, Aud5, AES1/2, and AES3/4.) You might have to scroll
the display to view them all.
A ‘Virtual Levels Contract’ button, if your panel has one, will cause the display to show the desti-
nation’s top-most levels. (In the example, those would be ‘Video’ and ‘Audio’.)
Intermediate levels (such as ‘Mono’ in the example) do not appear in the display.
Hold
Hold mode (and hold buttons) apply in both X-Y mode and multi-destination mode.
Breakaway
In X-Y mode, a hold button retains breakaway levels after a take.
Simply press the hold button at any time before the take.
HD
SD
Aud1
Aud2
Aud3
Aud4
Aud5
AES1/2
AES3/4
Mono
AES
Video
Audio
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