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ACO6800
+
Installation and Operation Manual
27
Copyright © 2009, Harris Corporation
Chapter 3: Configuration and Operation
shows what happens when both inputs are lost and the
SDI Loss of
Video
alarm of both IN 1 and IN2 are considered as fatal alarms and triggered
(supposing GPI Input and Manual Switch are both not active).
Creating Trouble Slides
Integrated Graphics Storage and Playout
The ACO6800
+
ISCST provides on-demand insertion of pre-defined static
SD-SDI and HD-SDI logo images.
GPI Input =
Inactive
Manual Switch =
Disable
Alarm = Enable and
Alarm switch
condition met for
both inputs
Still Image
Switch Mechanism selects
Still Image as output
source.
GPI Input =
Inactive
Manual Switch =
Disable
Alarm = Disable
Input 1
Switch Mechanism is
disabled.
Table 3-9. Still Image Priority and Image Output When Still Image Mode is set to Auto
Switch High
Priority
Switch Medium
Priority
Switch Low
Priority
Output
Source
Note
Table 3-10. Still Image Output on ACO6800
+
ISCST Modules
Still Image
Mode
Still Image
Source
LOV Mode
Result
Auto
*
TSG/Trouble Slide
Pass
The output temporarily passes some video
noise, and then switches over to the still image.
Auto
TSG/Trouble Slide
Black
The output turns black, and then switches over
to the still image.
Auto
TSG/Trouble Slide
Freeze
The output freezes the last good frame or field,
and then switches over to the still image.
Auto
None
Pass
The output passes some noise.
†
Auto
None
Black
The output switches to black signal.
Auto
None
Freeze
The output freezes the last good frame or field.
* If the
Still Image Mode
parameter is set to
Force
, TSG/Trouble Slide is always on-line regardless of
signal quality of inputs.
† ACO6800
+
cannot pass video with a different standard than the operation standard.