Grass Valley iTX Output Server 2 v.2.6 - Manual (Page 46)

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Output Server 2 Channel Configuration
Configuring SCTE104 Features
2 Check Enable SCTE 104.
As well as enabling SCTE104 signals, checking this options makes the additional
SCTE104 features appear.
3 To enable the passing of null SCTE messages for heartbeating to downstream services,
click Heartbeat Enabled.
This option is only supported by the SCTE104 plugin.
4 In the Output Line Number field, enter the vertical ancillary (VANC) line number on
which to output SCTE messages.
5 To enable pass-through to downsteam services, check Pass-Through Enabled.
This option is only supported by the SCTE104 plugin.
6 To have incoming messages passed through on the selected output line number, check
Pass-Through on Output Line.
7 To perform partial or full replacement of splice event inbound SCTE messages, enter a
value in Event Mask.
The mask configuration allows for bit level "OR" masking. For example:
Incoming message (hex): 0x00005c7e
Inputted Event Mask string (dec): 1073741824
Actual Event Mask (hex): 0x40000000
Output (hex): 0x40005c7e
This option is only supported by the SCTE104 plugin.
8 To set the delay TXPlay 2 allows before it responds to Start Sequence and End
Sequence messages, enter a value in Delay (Frames).
9 Enable the required Inbound Triggers by checking any of the following options: