Output control web page – Grass Valley 8972PX User Manual
Page 62
62
8972PX — Instruction Manual
Configuration
Output Control Web Page
Use
this
link
Use the Output Control web page (
) for the following:
Program Output Selection
Any input signal can be forced to the output manually by selecting the
Force
Primary
,
Force Secondary
, or
Force Alternate
buttons. When one of the
Force
buttons is selected, the button is highlighted and the
Manual
mode becomes
the Switch mode selection in the Switching Strategy section.
Switching Strategy
This section of the web page allows you to select the Switching Strategy
Switch Mode for the module from one of the two autonomous modes,
Maintain Primary or Maintain Stability, or the Manual mode. Refer to
for an overview of how the autonomous
modes work. The Manual control modes are summarized in
.
Select one of the Switch Mode radio buttons to set the Switching Strategy:
•
Maintain Primary
– switches the Primary input back to the Program
output when it becomes good again in the amount of time set by the
Switchback Delay control. The Switchback Delay control (for Maintain
Primary only) allows the user to set the amount of time (0 to 254 sec-
onds) between switching from the Backup Candidate (Secondary or
Alternate) back to the restored Primary.
•
Maintain Stability
– maintains the Primary or Secondary input as long as
their signals remain good to provide the most stable signal state.
•
Manual
– when the Switch Mode selection is set for Manual, the cur-
rently active Program output signal
Force
button will be highlighted on
the Output Control web page (unless the GPI interface is controlling the
Program Output as shown in
). Any of the manual
switching controls can be then be used to change the input.
Programmable Outputs Selection
The three output BNC pairs, Output 1.1 and 1.2 (BNC J1 and J3), Output 2.1
and 2.2 (BNC J2 and J4), and Output 3.1 and 3.2 (BNC J6 and J8), can each
be programmed to output any of five signal choices in the input pulldown
for each pair. These outputs are independent of manual control.
The five choices are the following:
•
Program
•
Backup Candidate
•
Primary Input
•
Secondary Input
•
Alternate Input