Tektronix Camcorder 2200 Manuel D’Utilisation

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Functional Description
 
Each M/E has two keyers and two background buses (A and B) as 
inputs. In standard mode, Keyers 1 and 2 can be mixed into a 
composite video and key which can be forwarded to the output, 
or M/E 1 can be reentered into M/E 2. In layered mode, 
Background Buses A and B are also used as keyers.
Preview capability allows monitoring of sources at many points in 
the signal flow. You can preview video from the M/E mixers, 
switched preview bus, or mask bus.
Eight GPI inputs are provided. You can assign each of the GPI 
inputs via the GPI Input Menu to perform a specific function 
when triggered.
The editor interface consists of an asynchronous RS-422, 38.4K 
baud serial communications port, managed by a communications 
processor. Refer to the Model 2200/3000/4000 
 
Serial Protocols 
manual for information on software functions and protocols 
observed by the editor port.