MRD 3187B - User Manual
Page 123 (245)
Selecting the Active Receive Group
1. Use the and buttons to move
the cursor to “Active Group:” then
press the button.
2. Use the and buttons to
select “1”, “2” or “Auto”, then press the
button to save the selection.
Note: Using “Auto” will enable the backup functionality.
Note: When the backup functionality is being used, the user can choose which
Receive Group is being used as follows: setting the “Pri Group:” to the
desired group or by setting the “Active Group:” to the desired group, and then
activating the backup functionality again by setting the “Active Group:” to
“Auto”.
Setting the Primary Receive Group
Note: The Receive Group that is not selected as the Primary Receive Group will
be the Backup Receive Group.
1. Use the and buttons to move
the cursor to “Pri Group:” then press
the button.
2. Use the and buttons to
select “1” or “2”, then press the
button to save the selection.
Setting the Switchover Trigger
This sets the failure that is used to initiate a switchover to the backup. It is either
a failure of the Receive Group reception (“TrigTSErr”) that is detected by a lack
of TS Presence in the Receive Group, or when the video cannot be decoded
(“TrigDecErr”).
When “TrigDecErr” is used, the “Pri Rest” (Primary Restore) will be set to “Never”
and the “Pri Rest:” option is not presented. This is done because the Primary
restore uses the TS Presence (“TrigTSErr”) to detect when the primary is
present, and unstable operation could take place if the switchover triggers are
not consistent.
1. Use the and buttons to move
the cursor to “SwtchOver:” then press
the button.
2. Use the and buttons to
select “TrigTsErr” or “TrigDecErr”, then
press the button to save the
selection.
Note: Using “TrigDecErr” sets “Pri Rest” to “Never” and does not is to be
changed.
Setting when to Restore to the Primary
Note: This is not changeable when using “TrigDecErr” (“Pri Rest” is set to “Never”
is this case).
MPEG/IP 1-4
Active Group:1
Pri Group:1
►SwtchOver:TrigTsErr
MPEG/IP 1-4
Active Group:Auto
►Pri Group:1
SwtchOver:TrigTsErr
MPEG/IP 1-4
►Active Group:Auto
Pri Group:1
SwtchOver:TrigTsErr
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