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The editable database, which is held in non-volatile RAM in the
Freeway
control card,
determines the operation of the unit and its associated panels.
To understand its use, a number of terms have to be defined :
·
level - this term describes a type of router e.g. video or audio level.
·
source - this term is used to describe an input of a router.
·
destination - this term is used to describe an output of a router.
To configure a system the following parameters within the database must be
considered :
·
level type
·
source and destination associations
·
source names and destination association names
·
route inhibit tables per level
·
keypad and panel configuration
·
general remote port configuration
·
trigger method selection per source per level
·
audio features per source per level
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The level type within the Freeway database define the router type, permitting
advanced features such as audio parameters and video trigger method to be used. It
also defines the shape of a router level where used as adual, triple or quad split for
dual channel, YUV or RGBS operation.
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This is a method of setting a group of associated sources on different levels to a
group of associated destinations from a single button on a control panel. This is
fundamental to the operation of the database.
For example, a destination association defines the destinations on each level that
feed into a device, say a record VTR. Similarly, a source association defines the
sources that originate from a device, say a playback VTR. An association is assigned a
unique number referred to as an index.
