Grass Valley Karrera Video Production Center v.4.0 - Manual (Page 268)

268 KARRERA — User Manual
Section 7 — Advanced Operations
In addition, you are not limited to two MEs, you could chain the back-
grounds of all the MEs in your Control Panel. You could switch a multiple
feed show from the English ME and also feed the show in French and
Spanish using three MEs.
Creating Primary and Secondary MEs (Dual Feed)
In the following example procedure, a dual feed with English on the
Primary and French on the Secondary ME will be configured. The A and B
background busses will be chained and bus linked and three full keyers
will be chained on ME 1 and three on ME 2. The result is the operator can
switch the show completely from ME 1 and use two full MEs with three full
keyers for each of the dual feed outputs.
ME 1 will be the primary, controlling ME, i.e. ME 2 sources, background
busses, and keyers will “follow” ME 1.
1. In the Transition Chaining, Bkgd Chains menu, touch ME 1 to assign it
to the chain.
2. Touch ME 2 to assign it as the secondary or “controlled” ME.
3. To synchronize the background transitions, touch the Sync Pri/Sec button
for the controlling ME (in this example, ME 1).
4. Touch the Key Chains selector button to access the Key Chaining menu.
5. Touch one of the 15 Key Chain data pads and Chain ME 1, Key 1 to
ME 2, Key 2 by touching those buttons in the Key Chaining pane.
6. Repeat Step 5 for ME 1/ME 2 Key 2 and ME 1/ME 2 Key 3.
7. Go to the Bus Linking menu by touching Source Ops , Bus Links .
8. In the Links Setup menu tab, touch the Controlling Bus data pad in the
Table Setup pane.
9. In the ME Busses pane, touch ME1 A .
10. Touch the Linked Bus data pad, and touch ME2 A in the ME Busses pane.
11. Repeat Step 9 and Step 10 for ME1 B and ME2 B .
The A and B busses for ME 2 will now follow the A and B busses for
ME 1.
12. To make ME 1 the controlling ME for the chain, press the ME 1 Bkgd
transition button on the Transition area.
Multiple Feed
Starting with the example above, you could chain additional MEs for mul-
tiple feeds. This should be planned carefully but once configured, the entire