GUIDE TO INSTALLATION AND OPERATION
AMX-1901 |
17
If the input AFD is passed, the output AFD status will be specified as N/A, since nothing was inserted.
5.3.2.1 Config section
Presence:
The status indicator turns Green when AFD is detected on the input signal. On an SD input, the status
indicator will indicate the presence of AFD flags carried as selected by the Source and Insertion Line pull-downs
below, i.e. AFD, VLI or WSS (for 625 sources only)
Mode:
use the pull-down list to specify how AFD information will be handled. Available choices are:
•
Pass – pass the incoming AFD flag through without change
•
Insert – insert the “Default” AFD flag into the output, overwriting any incoming flags
•
Auto – if incoming flags are detected, pass them through, otherwise, insert the “Default” flag
•
Blank – ensure that no AFD flags are embedded in the output stream.
Source:
Selects the source of AFD information – options are AFD (SMPTE 2016), VLI (SD only) or WSS (for 625
sources only).
Insertion Line:
The Insertion line is used to select on which line in the VANC the AFD packet (SMPTE 2016) will be
inserted. It is not necessary to specify the detection line since the card will automatically detect the incoming packet.
This parameter is active only for AFD; it is grayed-out for VLI and WSS.
Insertion:
The Insertion pull-down menu is used to enable or disable the insertion of AFD on the output. This feature
makes possible AFD conversion (SMPTE 2016 to VLI, VLI to WSS, VLI to SMPTE 2016, etc …) by allowing the user
to select the type of AFD flag to insert regardless of the programmed AFD source type:
•
During HD operation, the Ancillary Aspect Ratio packet (SMPTE 2016) may be inserted. There is no AFD
conversion during HD.
•
During SD operation, the Ancillary Aspect Ratio packet (SMPTE 2016), VLI, or WSS for 625 may be inserted
Default/Forced:
this text box is labeled according to the mode selected in the Mode pull-down above
•
In AUTO mode, it is labeled DEFAULT and shows the current default AFD code to be used if no valid AFD code is
detected at the input.
•
In INSERT mode, it is labeled FORCED, and shows the code that is forced onto the output regardless of the
actual input code or if one is present
Change:
Click the Change button to open the
Select AFD
panel showing the available AFD codes that could be used as
the default code/forced AFD flag during AUTO/INSERT
modes. Click on one to select it, then click
Apply
or
OK
at the
bottom of the panel.
