System Description
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Reference Requirements
You must operate DVEOUS locked to an external reference input. A switch on
the Combiner Controller board front edge selects the system line rate (525 or
625). It accepts black burst (color black) or composite sync as a reference input
if the component output module is installed, but requires black burst if the
composite output module is installed. The reference input includes a switch
selectable 75-ohm termination or high impedance loop through for daisy
chaining the reference signal to other devices.
Control Ports
There are several control ports on the rear of the DVEOUS Main Chassis.
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The Aux and Editor ports are used to support various protocols. They have
identical protocol selections. The Editor port is usually used for serial
remote control of DVEOUS as a slave device using the SMPTE or Sony
RS-422 protocols. The Aux port is typically used for auxiliary bus control of
several switcher types.
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The LINC (
L
ocally
I
ntegrated
N
ode
C
ontrol) port provides timeline control
of DVEOUS from any Abekas digital video switcher.
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Two GPI (General Purpose Interface) ports supply extensive input and
output switch closure-based remote control. The GPI outputs can also
provide tally information. Input and Output functions are assignable and
trigger-edge mode is selectable in the
Remote Setup
menu. Pinouts and
specifications for the GPI ports are provided in Section 2. Configuration is
discussed in Section 6, Setup Menus.
