Model 5600ACO2 Automatic Changeover Unit
3.3.7. HDSDI/SDI Monitoring
The HDSDI and SDI monitoring is controlled by DIP switch 7.
DIP 7 HDSDI/SDI Monitoring
Off (Up) HDSDI and SDI inputs monitored
On (Down) HDSDI and SDI inputs ignored
Table 3-10: HDSDI/SDI Monitoring Switch Settings
When DIP switch 7 is in the Off position, the HDSDI and SDI inputs are monitored and added to the
decision making process when in automatic mode. When it is in the ON position, the HDSDI and SDI
inputs are not part of the decision making process. The signal presence will still be shown on the front
panel LEDs regardless of this switch position.
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The 5600ACO2 firmware must be version 1.1 build 15 or higher to operate in
HDSDI/SDI monitoring (ignored) mode.
When individual Voting Control is enabled (through the serial port or Vistalink), the setting of DIP switch
7 is ignored, and the individual voting enables for the HDSDI and SDI inputs will apply. See section
4.3.3 and 5.1.3.
3.3.8. Change Limiting
Change Limiting is controlled by DIP switch 8.
DIP 8 Change Limiting
Off (Up) Unlimited changes
On (Down) 2 changes only
Table 3-11: Change Limiting Switch Settings
When DIP switch 8 is in the Off position, the 5600ACO2 may change an unlimited number of times
depending on inputs when in automatic mode. When it is in the ON position, and in automatic mode,
only 2 changes will be allowed if they occur within 0.5 seconds. After this, the LEDs beside the
switches will flash. Moving any of the 3 switches or changing ACO GPI1 or ACO GPI2 will re-enable
the 5600ACO2. This is provided to prevent back and forth toggling if an output is shorted out, or if one
of the HD-SDI outputs is unterminated.
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CAUTION. When DIP switch 8 is ON, the 5600ACO2 will not change over after a
quick change has happened. User input is needed to allow automatic changes
to happen again. It is important to promptly fix the offending input, and re-
enable the 5600ACO2 to ensure correct automatic protection.
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The 5600ACO2 firmware must be version 1.1 build 15 or higher to operate in
Change Limiting mode.
OPERATION
Revision 1.3 Page 3-7
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